; LLVM IR from VastoLorde95/Competitive-Programming :: CodeChef/WF/Easy Medium/TANGDIV/A.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, 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 }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair.3" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 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 %"class.std::vector", 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 ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca %"struct.std::pair", align 4
  %16 = alloca i32, align 4
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.std::set", align 8
  %22 = alloca i32, align 4
  %23 = alloca %"struct.std::pair", align 4
  %24 = alloca %"struct.std::pair.3", align 8
  %25 = alloca %"struct.std::pair", align 4
  %26 = alloca %"struct.std::pair.3", align 8
  %27 = alloca i8, align 1
  %28 = alloca i32, align 4
  %29 = alloca %"struct.std::pair", align 4
  %30 = alloca %"struct.std::pair", align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %31 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %1, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %32

32:                                               ; preds = %43, %0
  %33 = load i32, ptr %6, align 4, !tbaa !5
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %55

37:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %38 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %7, ptr noundef %8)
          to label %39 unwind label %46

39:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %40 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %41 unwind label %50

41:                                               ; preds = %39
  store i64 %40, ptr %11, align 4
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(8) %11)
          to label %42 unwind label %50

42:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %6, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %6, align 4, !tbaa !5
  br label %32, !llvm.loop !9

46:                                               ; preds = %37
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %9, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %10, align 4
  br label %54

50:                                               ; preds = %41, %39
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %9, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %54

54:                                               ; preds = %50, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %224

55:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %67, %55
  %57 = load i32, ptr %12, align 4, !tbaa !5
  %58 = load i32, ptr %3, align 4, !tbaa !5
  %59 = icmp slt i32 %57, %58
  br i1 %59, label %61, label %60

60:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %79

61:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  %62 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %13, ptr noundef %14)
          to label %63 unwind label %70

63:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %64 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %65 unwind label %74

65:                                               ; preds = %63
  store i64 %64, ptr %15, align 4
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(8) %15)
          to label %66 unwind label %74

66:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  br label %67

67:                                               ; preds = %66
  %68 = load i32, ptr %12, align 4, !tbaa !5
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr %12, align 4, !tbaa !5
  br label %56, !llvm.loop !11

70:                                               ; preds = %61
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %9, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %10, align 4
  br label %78

74:                                               ; preds = %65, %63
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %9, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  br label %78

78:                                               ; preds = %74, %70
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %224

79:                                               ; preds = %60
  %80 = load i32, ptr %3, align 4, !tbaa !5
  %81 = load i32, ptr %2, align 4, !tbaa !5
  %82 = icmp sgt i32 %80, %81
  br i1 %82, label %83, label %90

83:                                               ; preds = %79
  %84 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2)
          to label %85 unwind label %86

85:                                               ; preds = %83
  store i32 1, ptr %16, align 4
  br label %215

86:                                               ; preds = %99, %90, %83
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %9, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %10, align 4
  br label %224

90:                                               ; preds = %79
  %91 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %92 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %91, ptr %92, align 8
  %93 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %94 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %93, ptr %94, align 8
  %95 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  %96 = load ptr, ptr %95, align 8
  %97 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  %98 = load ptr, ptr %97, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %96, ptr %98)
          to label %99 unwind label %86

99:                                               ; preds = %90
  %100 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %101 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %100, ptr %101, align 8
  %102 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %103 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %102, ptr %103, align 8
  %104 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  %105 = load ptr, ptr %104, align 8
  %106 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  %107 = load ptr, ptr %106, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %105, ptr %107)
          to label %108 unwind label %86

108:                                              ; preds = %99
  call void @llvm.lifetime.start.p0(i64 48, ptr %21) #5
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %21) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #5
  store i32 1, ptr %22, align 4, !tbaa !5
  br label %109

109:                                              ; preds = %132, %108
  %110 = load i32, ptr %22, align 4, !tbaa !5
  %111 = load i32, ptr %2, align 4, !tbaa !5
  %112 = icmp slt i32 %110, %111
  br i1 %112, label %114, label %113

113:                                              ; preds = %109
  store i32 8, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #5
  br label %139

114:                                              ; preds = %109
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #5
  %115 = load i32, ptr %22, align 4, !tbaa !5
  %116 = sub nsw i32 %115, 1
  %117 = sext i32 %116 to i64
  %118 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %117) #5
  %119 = getelementptr inbounds %"struct.std::pair", ptr %118, i32 0, i32 1
  %120 = load i32, ptr %22, align 4, !tbaa !5
  %121 = sext i32 %120 to i64
  %122 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %121) #5
  %123 = getelementptr inbounds %"struct.std::pair", ptr %122, i32 0, i32 0
  %124 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %119, ptr noundef nonnull align 4 dereferenceable(4) %123)
          to label %125 unwind label %135

125:                                              ; preds = %114
  store i64 %124, ptr %23, align 4
  %126 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %21, ptr noundef nonnull align 4 dereferenceable(8) %23)
          to label %127 unwind label %135

127:                                              ; preds = %125
  %128 = getelementptr inbounds { ptr, i8 }, ptr %24, i32 0, i32 0
  %129 = extractvalue { ptr, i8 } %126, 0
  store ptr %129, ptr %128, align 8
  %130 = getelementptr inbounds { ptr, i8 }, ptr %24, i32 0, i32 1
  %131 = extractvalue { ptr, i8 } %126, 1
  store i8 %131, ptr %130, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #5
  br label %132

132:                                              ; preds = %127
  %133 = load i32, ptr %22, align 4, !tbaa !5
  %134 = add nsw i32 %133, 1
  store i32 %134, ptr %22, align 4, !tbaa !5
  br label %109, !llvm.loop !12

135:                                              ; preds = %125, %114
  %136 = landingpad { ptr, i32 }
          cleanup
  %137 = extractvalue { ptr, i32 } %136, 0
  store ptr %137, ptr %9, align 8
  %138 = extractvalue { ptr, i32 } %136, 1
  store i32 %138, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #5
  br label %223

139:                                              ; preds = %113
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #5
  %140 = load i32, ptr %2, align 4, !tbaa !5
  %141 = sub nsw i32 %140, 1
  %142 = sext i32 %141 to i64
  %143 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %142) #5
  %144 = getelementptr inbounds %"struct.std::pair", ptr %143, i32 0, i32 1
  %145 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #5
  %146 = getelementptr inbounds %"struct.std::pair", ptr %145, i32 0, i32 0
  %147 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %144, ptr noundef nonnull align 4 dereferenceable(4) %146)
          to label %148 unwind label %160

148:                                              ; preds = %139
  store i64 %147, ptr %25, align 4
  %149 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %21, ptr noundef nonnull align 4 dereferenceable(8) %25)
          to label %150 unwind label %160

150:                                              ; preds = %148
  %151 = getelementptr inbounds { ptr, i8 }, ptr %26, i32 0, i32 0
  %152 = extractvalue { ptr, i8 } %149, 0
  store ptr %152, ptr %151, align 8
  %153 = getelementptr inbounds { ptr, i8 }, ptr %26, i32 0, i32 1
  %154 = extractvalue { ptr, i8 } %149, 1
  store i8 %154, ptr %153, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %27) #5
  store i8 1, ptr %27, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr %28) #5
  store i32 1, ptr %28, align 4, !tbaa !5
  br label %155

155:                                              ; preds = %186, %150
  %156 = load i32, ptr %28, align 4, !tbaa !5
  %157 = load i32, ptr %3, align 4, !tbaa !5
  %158 = icmp slt i32 %156, %157
  br i1 %158, label %164, label %159

159:                                              ; preds = %155
  store i32 11, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %28) #5
  br label %189

160:                                              ; preds = %148, %139
  %161 = landingpad { ptr, i32 }
          cleanup
  %162 = extractvalue { ptr, i32 } %161, 0
  store ptr %162, ptr %9, align 8
  %163 = extractvalue { ptr, i32 } %161, 1
  store i32 %163, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #5
  br label %223

164:                                              ; preds = %155
  call void @llvm.lifetime.start.p0(i64 8, ptr %29) #5
  %165 = load i32, ptr %28, align 4, !tbaa !5
  %166 = sub nsw i32 %165, 1
  %167 = sext i32 %166 to i64
  %168 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %167) #5
  %169 = getelementptr inbounds %"struct.std::pair", ptr %168, i32 0, i32 1
  %170 = load i32, ptr %28, align 4, !tbaa !5
  %171 = sext i32 %170 to i64
  %172 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %171) #5
  %173 = getelementptr inbounds %"struct.std::pair", ptr %172, i32 0, i32 0
  %174 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %169, ptr noundef nonnull align 4 dereferenceable(4) %173)
          to label %175 unwind label %181

175:                                              ; preds = %164
  store i64 %174, ptr %29, align 4
  %176 = invoke noundef i64 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5countERKS1_(ptr noundef nonnull align 8 dereferenceable(48) %21, ptr noundef nonnull align 4 dereferenceable(8) %29)
          to label %177 unwind label %181

177:                                              ; preds = %175
  %178 = icmp ne i64 %176, 0
  %179 = xor i1 %178, true
  call void @llvm.lifetime.end.p0(i64 8, ptr %29) #5
  br i1 %179, label %180, label %185

180:                                              ; preds = %177
  store i8 0, ptr %27, align 1, !tbaa !13
  br label %185

181:                                              ; preds = %175, %164
  %182 = landingpad { ptr, i32 }
          cleanup
  %183 = extractvalue { ptr, i32 } %182, 0
  store ptr %183, ptr %9, align 8
  %184 = extractvalue { ptr, i32 } %182, 1
  store i32 %184, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %29) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %28) #5
  br label %222

185:                                              ; preds = %180, %177
  br label %186

186:                                              ; preds = %185
  %187 = load i32, ptr %28, align 4, !tbaa !5
  %188 = add nsw i32 %187, 1
  store i32 %188, ptr %28, align 4, !tbaa !5
  br label %155, !llvm.loop !15

189:                                              ; preds = %159
  call void @llvm.lifetime.start.p0(i64 8, ptr %30) #5
  %190 = load i32, ptr %3, align 4, !tbaa !5
  %191 = sub nsw i32 %190, 1
  %192 = sext i32 %191 to i64
  %193 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %192) #5
  %194 = getelementptr inbounds %"struct.std::pair", ptr %193, i32 0, i32 1
  %195 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #5
  %196 = getelementptr inbounds %"struct.std::pair", ptr %195, i32 0, i32 0
  %197 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %194, ptr noundef nonnull align 4 dereferenceable(4) %196)
          to label %198 unwind label %204

198:                                              ; preds = %189
  store i64 %197, ptr %30, align 4
  %199 = invoke noundef i64 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5countERKS1_(ptr noundef nonnull align 8 dereferenceable(48) %21, ptr noundef nonnull align 4 dereferenceable(8) %30)
          to label %200 unwind label %204

200:                                              ; preds = %198
  %201 = icmp ne i64 %199, 0
  %202 = xor i1 %201, true
  call void @llvm.lifetime.end.p0(i64 8, ptr %30) #5
  br i1 %202, label %203, label %208

203:                                              ; preds = %200
  store i8 0, ptr %27, align 1, !tbaa !13
  br label %208

204:                                              ; preds = %198, %189
  %205 = landingpad { ptr, i32 }
          cleanup
  %206 = extractvalue { ptr, i32 } %205, 0
  store ptr %206, ptr %9, align 8
  %207 = extractvalue { ptr, i32 } %205, 1
  store i32 %207, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %30) #5
  br label %222

208:                                              ; preds = %203, %200
  %209 = load i8, ptr %27, align 1, !tbaa !13, !range !16, !noundef !17
  %210 = trunc i8 %209 to i1
  %211 = zext i1 %210 to i64
  %212 = select i1 %210, ptr @.str.4, ptr @.str.5
  %213 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, ptr noundef %212)
          to label %214 unwind label %218

214:                                              ; preds = %208
  call void @llvm.lifetime.end.p0(i64 1, ptr %27) #5
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %21) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %21) #5
  store i32 0, ptr %16, align 4
  br label %215

215:                                              ; preds = %214, %85
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #5
  %216 = load i32, ptr %16, align 4
  switch i32 %216, label %230 [
    i32 0, label %217
    i32 1, label %217
  ]

217:                                              ; preds = %215, %215
  ret void

218:                                              ; preds = %208
  %219 = landingpad { ptr, i32 }
          cleanup
  %220 = extractvalue { ptr, i32 } %219, 0
  store ptr %220, ptr %9, align 8
  %221 = extractvalue { ptr, i32 } %219, 1
  store i32 %221, ptr %10, align 4
  br label %222

222:                                              ; preds = %218, %204, %181
  call void @llvm.lifetime.end.p0(i64 1, ptr %27) #5
  br label %223

223:                                              ; preds = %222, %160, %135
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %21) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %21) #5
  br label %224

224:                                              ; preds = %223, %86, %78, %54
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #5
  br label %225

225:                                              ; preds = %224
  %226 = load ptr, ptr %9, align 8
  %227 = load i32, ptr %10, align 4
  %228 = insertvalue { ptr, i32 } poison, ptr %226, 0
  %229 = insertvalue { ptr, i32 } %228, i32 %227, 1
  resume { ptr, i32 } %229

230:                                              ; preds = %215
  unreachable
}

; 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_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 @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #4

; 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #0 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 uwtable
declare dso_local noundef i64 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5countERKS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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

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 = { 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 = { 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 = !{!"bool", !7, i64 0}
!15 = distinct !{!15, !10}
!16 = !{i8 0, i8 2}
!17 = !{}


; 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, 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 }
%"struct.std::pair" = type { i32, i32 }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 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 i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca %"class.std::set", align 8
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca %"struct.std::pair", align 8
  %16 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %26, %0
  %20 = phi i32 [ %18, %0 ], [ %28, %26 ]
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph46, label %._crit_edge

.lr.ph:                                           ; preds = %0, %26
  %.02144 = phi i32 [ %27, %26 ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #5
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %6, ptr noundef nonnull %7)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %24 = 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) %7)
          to label %25 unwind label %30

25:                                               ; preds = %.lr.ph
  store i64 %24, ptr %8, align 8
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(8) %8)
          to label %26 unwind label %30

26:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  %27 = add nuw nsw i32 %.02144, 1
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %.lr.ph, label %.preheader, !llvm.loop !9

30:                                               ; preds = %25, %.lr.ph
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  br label %111

._crit_edge.loopexit:                             ; preds = %37
  %.pre = load i32, ptr %2, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %32 = phi i32 [ %20, %.preheader ], [ %.pre, %._crit_edge.loopexit ]
  %.lcssa42 = phi i32 [ %21, %.preheader ], [ %39, %._crit_edge.loopexit ]
  %33 = icmp sgt i32 %.lcssa42, %32
  br i1 %33, label %43, label %47

.lr.ph46:                                         ; preds = %.preheader, %37
  %.02845 = phi i32 [ %38, %37 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #5
  %34 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %9, ptr noundef nonnull %10)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #5
  %35 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %36 unwind label %41

36:                                               ; preds = %.lr.ph46
  store i64 %35, ptr %11, align 8
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(8) %11)
          to label %37 unwind label %41

37:                                               ; preds = %36
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #5
  %38 = add nuw nsw i32 %.02845, 1
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %.lr.ph46, label %._crit_edge.loopexit, !llvm.loop !11

41:                                               ; preds = %36, %.lr.ph46
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #5
  br label %111

43:                                               ; preds = %._crit_edge
  %44 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  br label %109

45:                                               ; preds = %50, %47
  %46 = landingpad { ptr, i32 }
          cleanup
  br label %111

47:                                               ; preds = %._crit_edge
  %48 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %49 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %48, ptr %49)
          to label %50 unwind label %45

50:                                               ; preds = %47
  %51 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %52 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %51, ptr %52)
          to label %53 unwind label %45

53:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %12) #5
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #5
  %54 = load i32, ptr %2, align 4, !tbaa !5
  %55 = icmp sgt i32 %54, 1
  br i1 %55, label %.lr.ph49, label %._crit_edge50

._crit_edge50:                                    ; preds = %69, %53
  %.lcssa40 = phi i32 [ %54, %53 ], [ %70, %69 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #5
  %56 = add nsw i32 %.lcssa40, -1
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %57) #5
  %59 = getelementptr inbounds i8, ptr %58, i64 4
  %60 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #5
  %61 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %59, ptr noundef nonnull align 4 dereferenceable(4) %60)
          to label %75 unwind label %86

.lr.ph49:                                         ; preds = %53, %69
  %indvars.iv = phi i64 [ %indvars.iv.next, %69 ], [ 1, %53 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #5
  %62 = add nsw i64 %indvars.iv, -1
  %63 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %62) #5
  %64 = getelementptr inbounds i8, ptr %63, i64 4
  %65 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #5
  %66 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %64, ptr noundef nonnull align 4 dereferenceable(4) %65)
          to label %67 unwind label %73

67:                                               ; preds = %.lr.ph49
  store i64 %66, ptr %13, align 8
  %68 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr noundef nonnull align 4 dereferenceable(8) %13)
          to label %69 unwind label %73

69:                                               ; preds = %67
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %70 = load i32, ptr %2, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = icmp slt i64 %indvars.iv.next, %71
  br i1 %72, label %.lr.ph49, label %._crit_edge50, !llvm.loop !12

73:                                               ; preds = %67, %.lr.ph49
  %74 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  br label %110

75:                                               ; preds = %._crit_edge50
  store i64 %61, ptr %14, align 8
  %76 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr noundef nonnull align 4 dereferenceable(8) %14)
          to label %77 unwind label %86

77:                                               ; preds = %75
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #5
  %78 = load i32, ptr %3, align 4, !tbaa !5
  %79 = icmp sgt i32 %78, 1
  br i1 %79, label %.lr.ph55, label %._crit_edge56

._crit_edge56:                                    ; preds = %95, %77
  %.020.lcssa = phi i1 [ true, %77 ], [ %spec.select, %95 ]
  %.lcssa = phi i32 [ %78, %77 ], [ %96, %95 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #5
  %80 = add nsw i32 %.lcssa, -1
  %81 = sext i32 %80 to i64
  %82 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %81) #5
  %83 = getelementptr inbounds i8, ptr %82, i64 4
  %84 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #5
  %85 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %83, ptr noundef nonnull align 4 dereferenceable(4) %84)
          to label %101 unwind label %107

86:                                               ; preds = %75, %._crit_edge50
  %87 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #5
  br label %110

.lr.ph55:                                         ; preds = %77, %95
  %indvars.iv63 = phi i64 [ %indvars.iv.next64, %95 ], [ 1, %77 ]
  %.02052 = phi i1 [ %spec.select, %95 ], [ true, %77 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #5
  %88 = add nsw i64 %indvars.iv63, -1
  %89 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %88) #5
  %90 = getelementptr inbounds i8, ptr %89, i64 4
  %91 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv63) #5
  %92 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %90, ptr noundef nonnull align 4 dereferenceable(4) %91)
          to label %93 unwind label %99

93:                                               ; preds = %.lr.ph55
  store i64 %92, ptr %15, align 8
  %94 = invoke noundef i64 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5countERKS1_(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr noundef nonnull align 4 dereferenceable(8) %15)
          to label %95 unwind label %99

95:                                               ; preds = %93
  %.not32 = icmp ne i64 %94, 0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #5
  %spec.select = select i1 %.not32, i1 %.02052, i1 false
  %indvars.iv.next64 = add nuw nsw i64 %indvars.iv63, 1
  %96 = load i32, ptr %3, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = icmp slt i64 %indvars.iv.next64, %97
  br i1 %98, label %.lr.ph55, label %._crit_edge56, !llvm.loop !13

99:                                               ; preds = %93, %.lr.ph55
  %100 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #5
  br label %110

101:                                              ; preds = %._crit_edge56
  store i64 %85, ptr %16, align 8
  %102 = invoke noundef i64 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5countERKS1_(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr noundef nonnull align 4 dereferenceable(8) %16)
          to label %103 unwind label %107

103:                                              ; preds = %101
  %.not = icmp ne i64 %102, 0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #5
  %104 = select i1 %.not, i1 %.020.lcssa, i1 false
  %105 = select i1 %104, ptr @.str.4, ptr @.str.5
  %106 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, ptr noundef nonnull %105)
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %12) #5
  br label %109

107:                                              ; preds = %101, %._crit_edge56
  %108 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #5
  br label %110

109:                                              ; preds = %103, %43
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret void

110:                                              ; preds = %99, %107, %86, %73
  %.pn33 = phi { ptr, i32 } [ %74, %73 ], [ %87, %86 ], [ %100, %99 ], [ %108, %107 ]
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %12) #5
  br label %111

111:                                              ; preds = %110, %45, %41, %30
  %.pn35 = phi { ptr, i32 } [ %31, %30 ], [ %42, %41 ], [ %.pn33, %110 ], [ %46, %45 ]
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn35
}

; 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 nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_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 @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #4

; 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 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 uwtable
declare dso_local noundef i64 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5countERKS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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

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 = { 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 = distinct !{!13, !10}


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