; LLVM IR from tangjz/acm-icpc :: codeforces/1408E.ll (Z5solvev)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, %"struct.std::pair.0" }
%"struct.std::pair.0" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%class.anon = type { ptr }
%class.anon.2 = type { ptr }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.3", %"struct.std::_Head_base.4" }
%"struct.std::_Tuple_impl.3" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { ptr }
%"struct.std::_Head_base.4" = type { ptr }

@_ZZ5solvevE1w = external hidden global [200001 x i32], align 16
@_ZZ5solvevE3dsu = external hidden global [200001 x i32], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair", align 4
  %13 = alloca %"struct.std::pair.0", align 4
  %14 = alloca { i64, i32 }, align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.std::function", align 8
  %20 = alloca %class.anon, align 8
  %21 = alloca %class.anon.2, align 8
  %22 = alloca ptr, align 8
  %23 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %24 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %25 = alloca ptr, align 8
  %26 = alloca i32, align 4
  %27 = alloca i32, align 4
  %28 = alloca %"class.std::tuple", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %29 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %1, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %30

30:                                               ; preds = %45, %0
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = load i32, ptr %1, align 4, !tbaa !5
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = add nsw i32 %32, %33
  %35 = icmp sle i32 %31, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %48

37:                                               ; preds = %30
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds i32, ptr @_ZZ5solvevE1w, i64 %39
  %41 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %40)
  %42 = load i32, ptr %3, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [200001 x i32], ptr @_ZZ5solvevE3dsu, i64 0, i64 %43
  store i32 -1, ptr %44, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %37
  %46 = load i32, ptr %3, align 4, !tbaa !5
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %3, align 4, !tbaa !5
  br label %30, !llvm.loop !9

48:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #7
  store i64 0, ptr %4, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #7
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %49

49:                                               ; preds = %94, %48
  %50 = load i32, ptr %6, align 4, !tbaa !5
  %51 = load i32, ptr %1, align 4, !tbaa !5
  %52 = icmp sle i32 %50, %51
  br i1 %52, label %54, label %53

53:                                               ; preds = %49
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %98

54:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  %55 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %7)
          to label %56 unwind label %85

56:                                               ; preds = %54
  br label %57

57:                                               ; preds = %80, %56
  %58 = load i32, ptr %7, align 4, !tbaa !5
  %59 = add nsw i32 %58, -1
  store i32 %59, ptr %7, align 4, !tbaa !5
  %60 = icmp ne i32 %58, 0
  br i1 %60, label %61, label %93

61:                                               ; preds = %57
  %62 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %8)
          to label %63 unwind label %85

63:                                               ; preds = %61
  %64 = load i32, ptr %1, align 4, !tbaa !5
  %65 = load i32, ptr %8, align 4, !tbaa !5
  %66 = add nsw i32 %65, %64
  store i32 %66, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 12, ptr %12) #7
  %67 = load i32, ptr %6, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [200001 x i32], ptr @_ZZ5solvevE1w, i64 0, i64 %68
  %70 = load i32, ptr %69, align 4, !tbaa !5
  %71 = load i32, ptr %8, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [200001 x i32], ptr @_ZZ5solvevE1w, i64 0, i64 %72
  %74 = load i32, ptr %73, align 4, !tbaa !5
  %75 = add nsw i32 %70, %74
  store i32 %75, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  %76 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %77 unwind label %89

77:                                               ; preds = %63
  store i64 %76, ptr %13, align 4
  %78 = invoke { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(8) %13)
          to label %79 unwind label %89

79:                                               ; preds = %77
  store { i64, i32 } %78, ptr %14, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 8 %14, i64 12, i1 false)
  invoke void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(12) %12)
          to label %80 unwind label %89

80:                                               ; preds = %79
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 12, ptr %12) #7
  %81 = load i32, ptr %9, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = load i64, ptr %4, align 8, !tbaa !11
  %84 = add nsw i64 %83, %82
  store i64 %84, ptr %4, align 8, !tbaa !11
  br label %57, !llvm.loop !13

85:                                               ; preds = %61, %54
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %10, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %11, align 4
  br label %97

89:                                               ; preds = %79, %77, %63
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %10, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 12, ptr %12) #7
  br label %97

93:                                               ; preds = %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %94

94:                                               ; preds = %93
  %95 = load i32, ptr %6, align 4, !tbaa !5
  %96 = add nsw i32 %95, 1
  store i32 %96, ptr %6, align 4, !tbaa !5
  br label %49, !llvm.loop !14

97:                                               ; preds = %89, %85
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %164

98:                                               ; preds = %53
  %99 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %100 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %99, ptr %100, align 8
  %101 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %102 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %101, ptr %102, align 8
  %103 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %104 = load ptr, ptr %103, align 8
  %105 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  %106 = load ptr, ptr %105, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr %104, ptr %106)
          to label %107 unwind label %128

107:                                              ; preds = %98
  %108 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %109 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %108, ptr %109, align 8
  %110 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %111 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %110, ptr %111, align 8
  %112 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  %113 = load ptr, ptr %112, align 8
  %114 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  %115 = load ptr, ptr %114, align 8
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr %113, ptr %115)
          to label %116 unwind label %128

116:                                              ; preds = %107
  call void @llvm.lifetime.start.p0(i64 32, ptr %19) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #7
  %117 = getelementptr inbounds %class.anon, ptr %20, i32 0, i32 0
  store ptr %19, ptr %117, align 8, !tbaa !15
  call void @"_ZNSt8functionIFiiEEC2IZ5solvevE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32) %19, ptr noundef nonnull align 8 dereferenceable(8) %20) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #7
  %118 = getelementptr inbounds %class.anon.2, ptr %21, i32 0, i32 0
  store ptr %19, ptr %118, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #7
  store ptr %5, ptr %22, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #7
  %119 = load ptr, ptr %22, align 8, !tbaa !15
  %120 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %119) #7
  %121 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %23, i32 0, i32 0
  store ptr %120, ptr %121, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #7
  %122 = load ptr, ptr %22, align 8, !tbaa !15
  %123 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %122) #7
  %124 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %24, i32 0, i32 0
  store ptr %123, ptr %124, align 8
  br label %125

125:                                              ; preds = %153, %116
  %126 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull align 8 dereferenceable(8) %24) #7
  br i1 %126, label %132, label %127

127:                                              ; preds = %125
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  br label %155

128:                                              ; preds = %107, %98
  %129 = landingpad { ptr, i32 }
          cleanup
  %130 = extractvalue { ptr, i32 } %129, 0
  store ptr %130, ptr %10, align 8
  %131 = extractvalue { ptr, i32 } %129, 1
  store i32 %131, ptr %11, align 4
  br label %164

132:                                              ; preds = %125
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #7
  %133 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %23) #7
  store ptr %133, ptr %25, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 4, ptr %26) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %27) #7
  %134 = load ptr, ptr %25, align 8, !tbaa !15
  %135 = getelementptr inbounds %"struct.std::pair", ptr %134, i32 0, i32 1
  call void @llvm.lifetime.start.p0(i64 16, ptr %28) #7
  call void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind writable sret(%"class.std::tuple") align 8 %28, ptr noundef nonnull align 4 dereferenceable(4) %26, ptr noundef nonnull align 4 dereferenceable(4) %27) #7
  %136 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKSt4pairIS4_S7_E(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 4 dereferenceable(8) %135) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %28) #7
  %137 = load i32, ptr %26, align 4, !tbaa !5
  %138 = load i32, ptr %27, align 4, !tbaa !5
  %139 = invoke noundef zeroext i1 @"_ZZ5solvevENK3$_1clEii"(ptr noundef nonnull align 8 dereferenceable(8) %21, i32 noundef %137, i32 noundef %138)
          to label %140 unwind label %148

140:                                              ; preds = %132
  br i1 %139, label %141, label %152

141:                                              ; preds = %140
  %142 = load ptr, ptr %25, align 8, !tbaa !15
  %143 = getelementptr inbounds %"struct.std::pair", ptr %142, i32 0, i32 0
  %144 = load i32, ptr %143, align 4, !tbaa !17
  %145 = sext i32 %144 to i64
  %146 = load i64, ptr %4, align 8, !tbaa !11
  %147 = sub nsw i64 %146, %145
  store i64 %147, ptr %4, align 8, !tbaa !11
  br label %152

148:                                              ; preds = %132
  %149 = landingpad { ptr, i32 }
          cleanup
  %150 = extractvalue { ptr, i32 } %149, 0
  store ptr %150, ptr %10, align 8
  %151 = extractvalue { ptr, i32 } %149, 1
  store i32 %151, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %27) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  br label %163

152:                                              ; preds = %141, %140
  call void @llvm.lifetime.end.p0(i64 4, ptr %27) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  br label %153

153:                                              ; preds = %152
  %154 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %23) #7
  br label %125

155:                                              ; preds = %127
  %156 = load i64, ptr %4, align 8, !tbaa !11
  %157 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %156)
          to label %158 unwind label %159

158:                                              ; preds = %155
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #7
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #7
  ret void

159:                                              ; preds = %155
  %160 = landingpad { ptr, i32 }
          cleanup
  %161 = extractvalue { ptr, i32 } %160, 0
  store ptr %161, ptr %10, align 8
  %162 = extractvalue { ptr, i32 } %160, 1
  store i32 %162, ptr %11, align 4
  br label %163

163:                                              ; preds = %159, %148
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #7
  br label %164

164:                                              ; preds = %163, %128, %97
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #7
  br label %165

165:                                              ; preds = %164
  %166 = load ptr, ptr %10, align 8
  %167 = load i32, ptr %11, align 4
  %168 = insertvalue { ptr, i32 } poison, ptr %166, 0
  %169 = insertvalue { ptr, i32 } %168, i32 %167, 1
  resume { ptr, i32 } %169
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(12)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(8)) #0

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @"_ZNSt8functionIFiiEEC2IZ5solvevE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKSt4pairIS4_S7_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZZ5solvevENK3$_1clEii"(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef, i32 noundef) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 #6 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = !{!16, !16, i64 0}
!16 = !{!"any pointer", !7, i64 0}
!17 = !{!18, !6, i64 0}
!18 = !{!"_ZTSSt4pairIiS_IiiEE", !6, i64 0, !19, i64 4}
!19 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, %"struct.std::pair.0" }
%"struct.std::pair.0" = type { i32, i32 }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%class.anon = type { ptr }
%class.anon.2 = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.3", %"struct.std::_Head_base.4" }
%"struct.std::_Tuple_impl.3" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { ptr }
%"struct.std::_Head_base.4" = type { ptr }

@_ZZ5solvevE1w = external hidden global [200001 x i32], align 16
@_ZZ5solvevE3dsu = external hidden local_unnamed_addr global [200001 x i32], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() 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 i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca %"struct.std::pair.0", align 8
  %10 = alloca %"class.std::function", align 8
  %11 = alloca %class.anon, align 8
  %12 = alloca %class.anon.2, align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::tuple", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = add nsw i32 %20, %19
  %.not25 = icmp slt i32 %21, 1
  br i1 %.not25, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 1, ptr %4, align 4, !tbaa !5
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %.not1932 = icmp slt i32 %22, 1
  br i1 %.not1932, label %._crit_edge36, label %.lr.ph35

.lr.ph35:                                         ; preds = %._crit_edge
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %8, i64 8
  br label %32

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %0 ]
  %23 = getelementptr inbounds i32, ptr @_ZZ5solvevE1w, i64 %indvars.iv
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %23)
  %25 = getelementptr inbounds [200001 x i32], ptr @_ZZ5solvevE3dsu, i64 0, i64 %indvars.iv
  store i32 -1, ptr %25, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %26 = load i32, ptr %1, align 4, !tbaa !5
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = add nsw i32 %27, %26
  %29 = sext i32 %28 to i64
  %.not.not = icmp slt i64 %indvars.iv, %29
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge36:                                    ; preds = %._crit_edge31, %._crit_edge
  %.016.lcssa = phi i64 [ 0, %._crit_edge ], [ %.1.lcssa, %._crit_edge31 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %30 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %31 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr %30, ptr %31)
          to label %63 unwind label %71

32:                                               ; preds = %.lr.ph35, %._crit_edge31
  %.01633 = phi i64 [ 0, %.lr.ph35 ], [ %.1.lcssa, %._crit_edge31 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  %33 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %5)
  %34 = load i32, ptr %5, align 4, !tbaa !5
  %35 = add nsw i32 %34, -1
  store i32 %35, ptr %5, align 4, !tbaa !5
  %.not2027 = icmp eq i32 %34, 0
  br i1 %.not2027, label %._crit_edge31, label %.lr.ph30

.lr.ph30:                                         ; preds = %32, %52
  %.128 = phi i64 [ %55, %52 ], [ %.01633, %32 ]
  %36 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %6)
  %37 = load i32, ptr %1, align 4, !tbaa !5
  %38 = load i32, ptr %6, align 4, !tbaa !5
  %39 = add nsw i32 %38, %37
  store i32 %39, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %8) #6
  %40 = load i32, ptr %4, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [200001 x i32], ptr @_ZZ5solvevE1w, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = sext i32 %39 to i64
  %45 = getelementptr inbounds [200001 x i32], ptr @_ZZ5solvevE1w, i64 0, i64 %44
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = add nsw i32 %46, %43
  store i32 %47, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %48 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %49 unwind label %58

49:                                               ; preds = %.lr.ph30
  store i64 %48, ptr %9, align 8
  %50 = invoke { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(8) %9)
          to label %51 unwind label %58

51:                                               ; preds = %49
  %.fca.0.extract = extractvalue { i64, i32 } %50, 0
  %.fca.1.extract = extractvalue { i64, i32 } %50, 1
  store i64 %.fca.0.extract, ptr %8, align 8
  store i32 %.fca.1.extract, ptr %.sroa.2.0..sroa_idx, align 8
  invoke void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(12) %8)
          to label %52 unwind label %58

52:                                               ; preds = %51
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %8) #6
  %53 = load i32, ptr %7, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = add nsw i64 %.128, %54
  %56 = load i32, ptr %5, align 4, !tbaa !5
  %57 = add nsw i32 %56, -1
  store i32 %57, ptr %5, align 4, !tbaa !5
  %.not20 = icmp eq i32 %56, 0
  br i1 %.not20, label %._crit_edge31, label %.lr.ph30, !llvm.loop !11

58:                                               ; preds = %51, %49, %.lr.ph30
  %59 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %87

._crit_edge31:                                    ; preds = %52, %32
  %.1.lcssa = phi i64 [ %.01633, %32 ], [ %55, %52 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  %60 = load i32, ptr %4, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %4, align 4, !tbaa !5
  %62 = load i32, ptr %1, align 4, !tbaa !5
  %.not19.not = icmp slt i32 %60, %62
  br i1 %.not19.not, label %32, label %._crit_edge36, !llvm.loop !12

63:                                               ; preds = %._crit_edge36
  %64 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %65 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr %64, ptr %65)
          to label %66 unwind label %71

66:                                               ; preds = %63
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %10) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  store ptr %10, ptr %11, align 8, !tbaa !13
  call void @"_ZNSt8functionIFiiEEC2IZ5solvevE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #6
  store ptr %10, ptr %12, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #6
  %67 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  store ptr %67, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #6
  %68 = call ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  store ptr %68, ptr %14, align 8
  %69 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  br i1 %69, label %.lr.ph40, label %._crit_edge41

._crit_edge41:                                    ; preds = %79, %66
  %.2.lcssa = phi i64 [ %.016.lcssa, %66 ], [ %.3, %79 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  %70 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.2.lcssa)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #6
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret void

71:                                               ; preds = %63, %._crit_edge36
  %72 = landingpad { ptr, i32 }
          cleanup
  br label %87

.lr.ph40:                                         ; preds = %66, %79
  %.238 = phi i64 [ %.3, %79 ], [ %.016.lcssa, %66 ]
  %73 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %15) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %16) #6
  %74 = getelementptr inbounds i8, ptr %73, i64 4
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %17) #6
  call void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple") align 8 %17, ptr noundef nonnull align 4 dereferenceable(4) %15, ptr noundef nonnull align 4 dereferenceable(4) %16) #6
  %75 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKSt4pairIS4_S7_E(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(8) %74) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %17) #6
  %76 = load i32, ptr %15, align 4, !tbaa !5
  %77 = load i32, ptr %16, align 4, !tbaa !5
  %78 = invoke noundef zeroext i1 @"_ZZ5solvevENK3$_1clEii"(ptr noundef nonnull align 8 dereferenceable(8) %12, i32 noundef %76, i32 noundef %77)
          to label %79 unwind label %85

79:                                               ; preds = %.lr.ph40
  %80 = load i32, ptr %73, align 4
  %81 = sext i32 %80 to i64
  %82 = select i1 %78, i64 %81, i64 0
  %.3 = sub nsw i64 %.238, %82
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %15) #6
  %83 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  %84 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  br i1 %84, label %.lr.ph40, label %._crit_edge41

85:                                               ; preds = %.lr.ph40
  %86 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #6
  br label %87

87:                                               ; preds = %85, %71, %58
  %.pn = phi { ptr, i32 } [ %59, %58 ], [ %86, %85 ], [ %72, %71 ]
  call void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPSt4pairIiS2_IiiEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @"_ZNSt8functionIFiiEEC2IZ5solvevE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKSt4pairIS4_S7_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZZ5solvevENK3$_1clEii"(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef, i32 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiS1_IiiEESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiS0_IiiEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "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 #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 = { 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 #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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !7, i64 0}


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