; LLVM IR from Izaron/ACM-ICPC :: Russian Council of School Olympiads (R.S.O.Sh.)/IOIP/IOIP 2016 (pencils)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_pbds::tree" = type { %"class.__gnu_pbds::basic_branch" }
%"class.__gnu_pbds::basic_branch" = type { %"class.__gnu_pbds::detail::rb_tree_set" }
%"class.__gnu_pbds::detail::rb_tree_set" = type { %"class.__gnu_pbds::detail::bin_search_tree_set" }
%"class.__gnu_pbds::detail::bin_search_tree_set" = type { %"class.__gnu_pbds::tree_order_statistics_node_update", [8 x i8], ptr, i64 }
%"class.__gnu_pbds::tree_order_statistics_node_update" = type { %"struct.__gnu_pbds::detail::branch_policy" }
%"struct.__gnu_pbds::detail::branch_policy" = type { ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair.0" = type <{ %"class.__gnu_pbds::detail::bin_search_tree_const_it_", i8, [7 x i8] }>
%"class.__gnu_pbds::detail::bin_search_tree_const_it_" = type { ptr }

@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.__gnu_pbds::tree", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca %"struct.std::pair", align 4
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::pair", align 4
  %21 = alloca %"struct.std::pair.0", align 8
  %22 = alloca i32, align 4
  %23 = alloca i32, align 4
  %24 = alloca i32, align 4
  %25 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  %26 = alloca %"struct.std::pair", align 4
  store i32 0, ptr %1, align 4
  %27 = load ptr, ptr @stdin, align 8, !tbaa !5
  %28 = call ptr @freopen(ptr noundef @.str, ptr noundef @.str.1, ptr noundef %27)
  %29 = load ptr, ptr @stdout, align 8, !tbaa !5
  %30 = call ptr @freopen(ptr noundef @.str.2, ptr noundef @.str.3, ptr noundef %29)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %31, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #7
  %33 = load i32, ptr %2, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #7
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %34, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %35 unwind label %42

35:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #7
  invoke void @_ZN10__gnu_pbds4treeISt4pairIiiENS_9null_typeESt4lessIS2_ENS_11rb_tree_tagENS_33tree_order_statistics_node_updateESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %36 unwind label %46

36:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %37

37:                                               ; preds = %84, %36
  %38 = load i32, ptr %9, align 4, !tbaa !9
  %39 = load i32, ptr %2, align 4, !tbaa !9
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %50, label %41

41:                                               ; preds = %37
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %93

42:                                               ; preds = %0
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %6, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %7, align 4
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  br label %199

46:                                               ; preds = %35
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %6, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %7, align 4
  br label %198

50:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %51 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %52 unwind label %58

52:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  store i32 2147483647, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 -2147483648, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 0, ptr %14, align 4, !tbaa !9
  br label %53

53:                                               ; preds = %71, %52
  %54 = load i32, ptr %14, align 4, !tbaa !9
  %55 = load i32, ptr %11, align 4, !tbaa !9
  %56 = icmp slt i32 %54, %55
  br i1 %56, label %62, label %57

57:                                               ; preds = %53
  store i32 5, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %78

58:                                               ; preds = %50
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %6, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %7, align 4
  br label %92

62:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  %63 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %64 unwind label %74

64:                                               ; preds = %62
  %65 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %66 unwind label %74

66:                                               ; preds = %64
  %67 = load i32, ptr %65, align 4, !tbaa !9
  store i32 %67, ptr %12, align 4, !tbaa !9
  %68 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %69 unwind label %74

69:                                               ; preds = %66
  %70 = load i32, ptr %68, align 4, !tbaa !9
  store i32 %70, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %71

71:                                               ; preds = %69
  %72 = load i32, ptr %14, align 4, !tbaa !9
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %14, align 4, !tbaa !9
  br label %53, !llvm.loop !11

74:                                               ; preds = %66, %64, %62
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %6, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %91

78:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #7
  invoke void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %16, ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %79 unwind label %87

79:                                               ; preds = %78
  %80 = load i32, ptr %9, align 4, !tbaa !9
  %81 = sext i32 %80 to i64
  %82 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %81) #7
  %83 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %82, ptr noundef nonnull align 4 dereferenceable(8) %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %84

84:                                               ; preds = %79
  %85 = load i32, ptr %9, align 4, !tbaa !9
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %9, align 4, !tbaa !9
  br label %37, !llvm.loop !13

87:                                               ; preds = %78
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %6, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  br label %91

91:                                               ; preds = %87, %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %92

92:                                               ; preds = %91, %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %197

93:                                               ; preds = %41
  %94 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %95 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %94, ptr %95, align 8
  %96 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %97 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %96, ptr %97, align 8
  %98 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  %99 = load ptr, ptr %98, align 8
  %100 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  %101 = load ptr, ptr %100, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %99, ptr %101)
          to label %102 unwind label %108

102:                                              ; preds = %93
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #7
  store i32 0, ptr %19, align 4, !tbaa !9
  br label %103

103:                                              ; preds = %124, %102
  %104 = load i32, ptr %19, align 4, !tbaa !9
  %105 = load i32, ptr %2, align 4, !tbaa !9
  %106 = icmp slt i32 %104, %105
  br i1 %106, label %112, label %107

107:                                              ; preds = %103
  store i32 8, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  br label %131

108:                                              ; preds = %93
  %109 = landingpad { ptr, i32 }
          cleanup
  %110 = extractvalue { ptr, i32 } %109, 0
  store ptr %110, ptr %6, align 8
  %111 = extractvalue { ptr, i32 } %109, 1
  store i32 %111, ptr %7, align 4
  br label %197

112:                                              ; preds = %103
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #7
  %113 = load i32, ptr %19, align 4, !tbaa !9
  %114 = sext i32 %113 to i64
  %115 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %114) #7
  %116 = getelementptr inbounds %"struct.std::pair", ptr %115, i32 0, i32 1
  invoke void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %20, ptr noundef nonnull align 4 dereferenceable(4) %116, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %117 unwind label %127

117:                                              ; preds = %112
  %118 = invoke { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E6insertERKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 4 dereferenceable(8) %20)
          to label %119 unwind label %127

119:                                              ; preds = %117
  %120 = getelementptr inbounds { ptr, i8 }, ptr %21, i32 0, i32 0
  %121 = extractvalue { ptr, i8 } %118, 0
  store ptr %121, ptr %120, align 8
  %122 = getelementptr inbounds { ptr, i8 }, ptr %21, i32 0, i32 1
  %123 = extractvalue { ptr, i8 } %118, 1
  store i8 %123, ptr %122, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  br label %124

124:                                              ; preds = %119
  %125 = load i32, ptr %19, align 4, !tbaa !9
  %126 = add nsw i32 %125, 1
  store i32 %126, ptr %19, align 4, !tbaa !9
  br label %103, !llvm.loop !14

127:                                              ; preds = %117, %112
  %128 = landingpad { ptr, i32 }
          cleanup
  %129 = extractvalue { ptr, i32 } %128, 0
  store ptr %129, ptr %6, align 8
  %130 = extractvalue { ptr, i32 } %128, 1
  store i32 %130, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  br label %197

131:                                              ; preds = %107
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #7
  store i32 2147483647, ptr %22, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #7
  store i32 0, ptr %23, align 4, !tbaa !9
  br label %132

132:                                              ; preds = %175, %131
  %133 = load i32, ptr %23, align 4, !tbaa !9
  %134 = load i32, ptr %2, align 4, !tbaa !9
  %135 = icmp slt i32 %133, %134
  br i1 %135, label %137, label %136

136:                                              ; preds = %132
  store i32 11, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %187

137:                                              ; preds = %132
  %138 = invoke noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %139 unwind label %144

139:                                              ; preds = %137
  %140 = load i32, ptr %3, align 4, !tbaa !9
  %141 = sext i32 %140 to i64
  %142 = icmp ult i64 %138, %141
  br i1 %142, label %143, label %148

143:                                              ; preds = %139
  br label %175

144:                                              ; preds = %137
  %145 = landingpad { ptr, i32 }
          cleanup
  %146 = extractvalue { ptr, i32 } %145, 0
  store ptr %146, ptr %6, align 8
  %147 = extractvalue { ptr, i32 } %145, 1
  store i32 %147, ptr %7, align 4
  br label %186

148:                                              ; preds = %139
  call void @llvm.lifetime.start.p0(i64 4, ptr %24) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #7
  %149 = load i32, ptr %3, align 4, !tbaa !9
  %150 = sub nsw i32 %149, 1
  %151 = sext i32 %150 to i64
  %152 = invoke ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_ISt4pairIiiEmSaIcEEENS1_25bin_search_tree_const_it_IPS7_S5_PS5_PKS5_RS5_RSB_Lb1ES6_EESF_S6_EESG_St4lessIS5_ES6_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) %8, i64 noundef %151)
          to label %153 unwind label %178

153:                                              ; preds = %148
  %154 = getelementptr inbounds %"class.__gnu_pbds::detail::bin_search_tree_const_it_", ptr %25, i32 0, i32 0
  store ptr %152, ptr %154, align 8
  %155 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_ISt4pairIiiEmSaIcEEES4_PS4_PKS4_RS4_RS9_Lb1ES5_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %25)
          to label %156 unwind label %178

156:                                              ; preds = %153
  %157 = getelementptr inbounds %"struct.std::pair", ptr %155, i32 0, i32 0
  %158 = load i32, ptr %157, align 4, !tbaa !15
  %159 = load i32, ptr %23, align 4, !tbaa !9
  %160 = sext i32 %159 to i64
  %161 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %160) #7
  %162 = getelementptr inbounds %"struct.std::pair", ptr %161, i32 0, i32 0
  %163 = load i32, ptr %162, align 4, !tbaa !15
  %164 = sub nsw i32 %158, %163
  store i32 %164, ptr %24, align 4, !tbaa !9
  %165 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %22, ptr noundef nonnull align 4 dereferenceable(4) %24)
          to label %166 unwind label %178

166:                                              ; preds = %156
  %167 = load i32, ptr %165, align 4, !tbaa !9
  store i32 %167, ptr %22, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #7
  %168 = load i32, ptr %23, align 4, !tbaa !9
  %169 = sext i32 %168 to i64
  %170 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %169) #7
  %171 = getelementptr inbounds %"struct.std::pair", ptr %170, i32 0, i32 1
  invoke void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %26, ptr noundef nonnull align 4 dereferenceable(4) %171, ptr noundef nonnull align 4 dereferenceable(4) %23)
          to label %172 unwind label %182

172:                                              ; preds = %166
  %173 = invoke noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E5eraseERKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 4 dereferenceable(8) %26)
          to label %174 unwind label %182

174:                                              ; preds = %172
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #7
  br label %175

175:                                              ; preds = %174, %143
  %176 = load i32, ptr %23, align 4, !tbaa !9
  %177 = add nsw i32 %176, 1
  store i32 %177, ptr %23, align 4, !tbaa !9
  br label %132, !llvm.loop !17

178:                                              ; preds = %156, %153, %148
  %179 = landingpad { ptr, i32 }
          cleanup
  %180 = extractvalue { ptr, i32 } %179, 0
  store ptr %180, ptr %6, align 8
  %181 = extractvalue { ptr, i32 } %179, 1
  store i32 %181, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #7
  br label %186

182:                                              ; preds = %172, %166
  %183 = landingpad { ptr, i32 }
          cleanup
  %184 = extractvalue { ptr, i32 } %183, 0
  store ptr %184, ptr %6, align 8
  %185 = extractvalue { ptr, i32 } %183, 1
  store i32 %185, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #7
  br label %186

186:                                              ; preds = %182, %178, %144
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %196

187:                                              ; preds = %136
  %188 = load i32, ptr %22, align 4, !tbaa !9
  %189 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %188)
          to label %190 unwind label %192

190:                                              ; preds = %187
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #7
  call void @_ZN10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %191 = load i32, ptr %1, align 4
  ret i32 %191

192:                                              ; preds = %187
  %193 = landingpad { ptr, i32 }
          cleanup
  %194 = extractvalue { ptr, i32 } %193, 0
  store ptr %194, ptr %6, align 8
  %195 = extractvalue { ptr, i32 } %193, 1
  store i32 %195, ptr %7, align 4
  br label %196

196:                                              ; preds = %192, %186
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #7
  br label %197

197:                                              ; preds = %196, %127, %108, %92
  call void @_ZN10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  br label %198

198:                                              ; preds = %197, %46
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %199

199:                                              ; preds = %198, %42
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %200

200:                                              ; preds = %199
  %201 = load ptr, ptr %6, align 8
  %202 = load i32, ptr %7, align 4
  %203 = insertvalue { ptr, i32 } poison, ptr %201, 0
  %204 = insertvalue { ptr, i32 } %203, i32 %202, 1
  resume { ptr, i32 } %204
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10__gnu_pbds4treeISt4pairIiiENS_9null_typeESt4lessIS2_ENS_11rb_tree_tagENS_33tree_order_statistics_node_updateESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E6insertERKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(8)) #6 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_ISt4pairIiiEmSaIcEEENS1_25bin_search_tree_const_it_IPS7_S5_PS5_PKS5_RS5_RSB_Lb1ES6_EESF_S6_EESG_St4lessIS5_ES6_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #6 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_ISt4pairIiiEmSaIcEEES4_PS4_PKS4_RS4_RS9_Lb1ES5_EdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E5eraseERKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(8)) #6 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = !{!16, !10, i64 0}
!16 = !{!"_ZTSSt4pairIiiE", !10, i64 0, !10, i64 4}
!17 = distinct !{!17, !12}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_pbds::tree" = type { %"class.__gnu_pbds::basic_branch" }
%"class.__gnu_pbds::basic_branch" = type { %"class.__gnu_pbds::detail::rb_tree_set" }
%"class.__gnu_pbds::detail::rb_tree_set" = type { %"class.__gnu_pbds::detail::bin_search_tree_set" }
%"class.__gnu_pbds::detail::bin_search_tree_set" = type { %"class.__gnu_pbds::tree_order_statistics_node_update", [8 x i8], ptr, i64 }
%"class.__gnu_pbds::tree_order_statistics_node_update" = type { %"struct.__gnu_pbds::detail::branch_policy" }
%"struct.__gnu_pbds::detail::branch_policy" = type { ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_pbds::detail::bin_search_tree_const_it_" = type { ptr }

@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external local_unnamed_addr global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.__gnu_pbds::tree", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::pair", align 4
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair", align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  %17 = alloca %"struct.std::pair", align 4
  %18 = load ptr, ptr @stdin, align 8, !tbaa !5
  %19 = tail call ptr @freopen(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, ptr noundef %18)
  %20 = load ptr, ptr @stdout, align 8, !tbaa !5
  %21 = tail call ptr @freopen(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.3, ptr noundef %20)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #7
  %24 = load i32, ptr %1, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %26 unwind label %31

26:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #7
  invoke void @_ZN10__gnu_pbds4treeISt4pairIiiENS_9null_typeESt4lessIS2_ENS_11rb_tree_tagENS_33tree_order_statistics_node_updateESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %.preheader unwind label %33

.preheader:                                       ; preds = %26
  %27 = load i32, ptr %1, align 4, !tbaa !9
  %28 = icmp sgt i32 %27, 0
  br i1 %28, label %.lr.ph27, label %._crit_edge28

._crit_edge28:                                    ; preds = %._crit_edge, %.preheader
  %29 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  %30 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %29, ptr %30)
          to label %58 unwind label %62

31:                                               ; preds = %0
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  br label %117

33:                                               ; preds = %26
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %116

.lr.ph27:                                         ; preds = %.preheader, %._crit_edge
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  %35 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %36 unwind label %44

36:                                               ; preds = %.lr.ph27
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store i32 2147483647, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  store i32 -2147483648, ptr %8, align 4, !tbaa !9
  %37 = load i32, ptr %6, align 4, !tbaa !9
  %38 = icmp sgt i32 %37, 0
  br i1 %38, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %47, %36
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %39 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #7
  %40 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %39, ptr noundef nonnull align 4 dereferenceable(8) %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %41 = load i32, ptr %1, align 4, !tbaa !9
  %42 = sext i32 %41 to i64
  %43 = icmp slt i64 %indvars.iv.next, %42
  br i1 %43, label %.lr.ph27, label %._crit_edge28, !llvm.loop !11

44:                                               ; preds = %.lr.ph27
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %57

.lr.ph:                                           ; preds = %36, %47
  %.01625 = phi i32 [ %52, %47 ], [ 0, %36 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %46 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %47 unwind label %55

47:                                               ; preds = %.lr.ph
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %49 = load i32, ptr %48, align 4, !tbaa !9
  store i32 %49, ptr %7, align 4, !tbaa !9
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %51 = load i32, ptr %50, align 4, !tbaa !9
  store i32 %51, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  %52 = add nuw nsw i32 %.01625, 1
  %53 = load i32, ptr %6, align 4, !tbaa !9
  %54 = icmp slt i32 %52, %53
  br i1 %54, label %.lr.ph, label %._crit_edge, !llvm.loop !13

55:                                               ; preds = %.lr.ph
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  br label %57

57:                                               ; preds = %55, %44
  %.pn20 = phi { ptr, i32 } [ %56, %55 ], [ %45, %44 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  br label %115

58:                                               ; preds = %._crit_edge28
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #7
  store i32 0, ptr %11, align 4, !tbaa !9
  %59 = load i32, ptr %1, align 4, !tbaa !9
  %60 = icmp sgt i32 %59, 0
  br i1 %60, label %.lr.ph31, label %._crit_edge32.thread

._crit_edge32.thread:                             ; preds = %58
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %13) #7
  store i32 2147483647, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %14) #7
  br label %._crit_edge35

._crit_edge32:                                    ; preds = %68
  %61 = icmp sgt i32 %71, 0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %13) #7
  store i32 2147483647, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %14) #7
  store i32 0, ptr %14, align 4, !tbaa !9
  br i1 %61, label %.lr.ph34, label %._crit_edge35

62:                                               ; preds = %._crit_edge28
  %63 = landingpad { ptr, i32 }
          cleanup
  br label %115

.lr.ph31:                                         ; preds = %58, %68
  %storemerge29 = phi i32 [ %70, %68 ], [ 0, %58 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #7
  %64 = sext i32 %storemerge29 to i64
  %65 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %64) #7
  %66 = getelementptr inbounds i8, ptr %65, i64 4
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %12, ptr noundef nonnull align 4 dereferenceable(4) %66, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %67 = invoke { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E6insertERKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 4 dereferenceable(8) %12)
          to label %68 unwind label %73

68:                                               ; preds = %.lr.ph31
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  %69 = load i32, ptr %11, align 4, !tbaa !9
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %11, align 4, !tbaa !9
  %71 = load i32, ptr %1, align 4, !tbaa !9
  %72 = icmp slt i32 %70, %71
  br i1 %72, label %.lr.ph31, label %._crit_edge32, !llvm.loop !14

73:                                               ; preds = %.lr.ph31
  %74 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  br label %115

._crit_edge35.loopexit:                           ; preds = %101
  %.pre = load i32, ptr %13, align 4, !tbaa !9
  br label %._crit_edge35

._crit_edge35:                                    ; preds = %._crit_edge32.thread, %._crit_edge35.loopexit, %._crit_edge32
  %75 = phi i32 [ %.pre, %._crit_edge35.loopexit ], [ 2147483647, %._crit_edge32 ], [ 2147483647, %._crit_edge32.thread ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #7
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %75)
          to label %111 unwind label %112

.lr.ph34:                                         ; preds = %._crit_edge32, %101
  %77 = call noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %5)
  %78 = load i32, ptr %2, align 4, !tbaa !9
  %79 = sext i32 %78 to i64
  %80 = icmp ult i64 %77, %79
  br i1 %80, label %101, label %81

81:                                               ; preds = %.lr.ph34
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %15) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #7
  %82 = add nsw i32 %78, -1
  %83 = sext i32 %82 to i64
  %84 = invoke ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_ISt4pairIiiEmSaIcEEENS1_25bin_search_tree_const_it_IPS7_S5_PS5_PKS5_RS5_RSB_Lb1ES6_EESF_S6_EESG_St4lessIS5_ES6_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) %5, i64 noundef %83)
          to label %85 unwind label %106

85:                                               ; preds = %81
  store ptr %84, ptr %16, align 8
  %86 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_ISt4pairIiiEmSaIcEEES4_PS4_PKS4_RS4_RS9_Lb1ES5_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %16)
  %87 = load i32, ptr %86, align 4, !tbaa !15
  %88 = load i32, ptr %14, align 4, !tbaa !9
  %89 = sext i32 %88 to i64
  %90 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %89) #7
  %91 = load i32, ptr %90, align 4, !tbaa !15
  %92 = sub nsw i32 %87, %91
  store i32 %92, ptr %15, align 4, !tbaa !9
  %93 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %15)
  %94 = load i32, ptr %93, align 4, !tbaa !9
  store i32 %94, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %15) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %17) #7
  %95 = load i32, ptr %14, align 4, !tbaa !9
  %96 = sext i32 %95 to i64
  %97 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %96) #7
  %98 = getelementptr inbounds i8, ptr %97, i64 4
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %17, ptr noundef nonnull align 4 dereferenceable(4) %98, ptr noundef nonnull align 4 dereferenceable(4) %14)
  %99 = invoke noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E5eraseERKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 4 dereferenceable(8) %17)
          to label %100 unwind label %108

100:                                              ; preds = %85
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #7
  br label %101

101:                                              ; preds = %.lr.ph34, %100
  %102 = load i32, ptr %14, align 4, !tbaa !9
  %103 = add nsw i32 %102, 1
  store i32 %103, ptr %14, align 4, !tbaa !9
  %104 = load i32, ptr %1, align 4, !tbaa !9
  %105 = icmp slt i32 %103, %104
  br i1 %105, label %.lr.ph34, label %._crit_edge35.loopexit, !llvm.loop !17

106:                                              ; preds = %81
  %107 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %15) #7
  br label %110

108:                                              ; preds = %85
  %109 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #7
  br label %110

110:                                              ; preds = %108, %106
  %.pn = phi { ptr, i32 } [ %109, %108 ], [ %107, %106 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #7
  br label %114

111:                                              ; preds = %._crit_edge35
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #7
  call void @_ZN10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

112:                                              ; preds = %._crit_edge35
  %113 = landingpad { ptr, i32 }
          cleanup
  br label %114

114:                                              ; preds = %112, %110
  %.pn.pn = phi { ptr, i32 } [ %.pn, %110 ], [ %113, %112 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #7
  br label %115

115:                                              ; preds = %114, %73, %62, %57
  %.pn20.pn = phi { ptr, i32 } [ %.pn20, %57 ], [ %74, %73 ], [ %.pn.pn, %114 ], [ %63, %62 ]
  call void @_ZN10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  br label %116

116:                                              ; preds = %115, %33
  %.pn20.pn.pn = phi { ptr, i32 } [ %.pn20.pn, %115 ], [ %34, %33 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %117

117:                                              ; preds = %116, %31
  %.pn20.pn.pn.pn = phi { ptr, i32 } [ %.pn20.pn.pn, %116 ], [ %32, %31 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn20.pn.pn.pn
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10__gnu_pbds4treeISt4pairIiiENS_9null_typeESt4lessIS2_ENS_11rb_tree_tagENS_33tree_order_statistics_node_updateESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E6insertERKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #6 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_ISt4pairIiiEmSaIcEEENS1_25bin_search_tree_const_it_IPS7_S5_PS5_PKS5_RS5_RSB_Lb1ES6_EESF_S6_EESG_St4lessIS5_ES6_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #6 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_ISt4pairIiiEmSaIcEEES4_PS4_PKS4_RS4_RS9_Lb1ES5_EdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_E5eraseERKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #6 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN10__gnu_pbds6detail19bin_search_tree_setISt4pairIiiENS_9null_typeESt4lessIS3_ENS0_11tree_traitsIS3_S4_S6_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEESA_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = !{!16, !10, i64 0}
!16 = !{!"_ZTSSt4pairIiiE", !10, i64 0, !10, i64 4}
!17 = distinct !{!17, !12}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass