; LLVM IR from DionysiosB/CodeForces :: 0001-0099 (61D-EternalVictory)

; 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.0" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<std::pair<long, long>>, std::allocator<std::vector<std::pair<long, long>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<long, long>>, std::allocator<std::vector<std::pair<long, long>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<long, long>>, std::allocator<std::vector<std::pair<long, long>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<long, long>>, std::allocator<std::vector<std::pair<long, long>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.1" = type { i8 }
%"struct.std::pair" = type { i64, i64 }
%"class.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.14" = type { i8 }
%"class.std::vector.9" = type { %"struct.std::_Vector_base.10" }
%"struct.std::_Vector_base.10" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.11" = type { i8 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfslRKSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EERS_IbSaIbEERS_IlSaIlEE(i64 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(24)) #0

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

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca %"class.std::allocator.1", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca %"struct.std::pair", align 8
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca i8, align 1
  %16 = alloca %"class.std::allocator.14", align 1
  %17 = alloca %"class.std::vector.9", align 8
  %18 = alloca i64, align 8
  %19 = alloca %"class.std::allocator.11", align 1
  %20 = alloca i64, align 8
  %21 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #5
  %23 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #5
  call void @_ZNSaISt6vectorISt4pairIllESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %23, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %24 unwind label %30

24:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorISt4pairIllESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store i64 1, ptr %8, align 8, !tbaa !5
  br label %25

25:                                               ; preds = %63, %24
  %26 = load i64, ptr %8, align 8, !tbaa !5
  %27 = load i64, ptr %2, align 8, !tbaa !5
  %28 = icmp slt i64 %26, %27
  br i1 %28, label %34, label %29

29:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %79

30:                                               ; preds = %0
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %5, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt6vectorISt4pairIllESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  br label %134

34:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %35 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %9, ptr noundef %10, ptr noundef %11)
          to label %36 unwind label %66

36:                                               ; preds = %34
  %37 = load i64, ptr %9, align 8, !tbaa !5
  %38 = add nsw i64 %37, -1
  store i64 %38, ptr %9, align 8, !tbaa !5
  %39 = load i64, ptr %10, align 8, !tbaa !5
  %40 = add nsw i64 %39, -1
  store i64 %40, ptr %10, align 8, !tbaa !5
  %41 = load i64, ptr %9, align 8, !tbaa !5
  %42 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %41) #5
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #5
  %43 = invoke { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %44 unwind label %70

44:                                               ; preds = %36
  %45 = getelementptr inbounds { i64, i64 }, ptr %12, i32 0, i32 0
  %46 = extractvalue { i64, i64 } %43, 0
  store i64 %46, ptr %45, align 8
  %47 = getelementptr inbounds { i64, i64 }, ptr %12, i32 0, i32 1
  %48 = extractvalue { i64, i64 } %43, 1
  store i64 %48, ptr %47, align 8
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %42, ptr noundef nonnull align 8 dereferenceable(16) %12)
          to label %49 unwind label %70

49:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #5
  %50 = load i64, ptr %10, align 8, !tbaa !5
  %51 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %50) #5
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #5
  %52 = invoke { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %53 unwind label %74

53:                                               ; preds = %49
  %54 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 0
  %55 = extractvalue { i64, i64 } %52, 0
  store i64 %55, ptr %54, align 8
  %56 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 1
  %57 = extractvalue { i64, i64 } %52, 1
  store i64 %57, ptr %56, align 8
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %51, ptr noundef nonnull align 8 dereferenceable(16) %13)
          to label %58 unwind label %74

58:                                               ; preds = %53
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #5
  %59 = load i64, ptr %11, align 8, !tbaa !5
  %60 = mul nsw i64 2, %59
  %61 = load i64, ptr %7, align 8, !tbaa !5
  %62 = add nsw i64 %61, %60
  store i64 %62, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %63

63:                                               ; preds = %58
  %64 = load i64, ptr %8, align 8, !tbaa !5
  %65 = add nsw i64 %64, 1
  store i64 %65, ptr %8, align 8, !tbaa !5
  br label %25, !llvm.loop !9

66:                                               ; preds = %34
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %5, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %6, align 4
  br label %78

70:                                               ; preds = %44, %36
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %5, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #5
  br label %78

74:                                               ; preds = %53, %49
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %5, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #5
  br label %78

78:                                               ; preds = %74, %70, %66
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %133

79:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 40, ptr %14) #5
  %80 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #5
  store i8 0, ptr %15, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #5
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #5
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %14, i64 noundef %80, ptr noundef nonnull align 1 dereferenceable(1) %15, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %81 unwind label %90

81:                                               ; preds = %79
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %17) #5
  %82 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #5
  store i64 0, ptr %18, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %19) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %82, ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull align 1 dereferenceable(1) %19)
          to label %83 unwind label %94

83:                                               ; preds = %81
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  invoke void @_Z3dfslRKSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EERS_IbSaIbEERS_IlSaIlEE(i64 noundef 0, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(40) %14, ptr noundef nonnull align 8 dereferenceable(24) %17)
          to label %84 unwind label %98

84:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #5
  store i64 0, ptr %20, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #5
  store i64 0, ptr %21, align 8, !tbaa !5
  br label %85

85:                                               ; preds = %116, %84
  %86 = load i64, ptr %21, align 8, !tbaa !5
  %87 = load i64, ptr %2, align 8, !tbaa !5
  %88 = icmp slt i64 %86, %87
  br i1 %88, label %102, label %89

89:                                               ; preds = %85
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  br label %119

90:                                               ; preds = %79
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %5, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  br label %132

94:                                               ; preds = %81
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %5, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  br label %131

98:                                               ; preds = %83
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %5, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %6, align 4
  br label %130

102:                                              ; preds = %85
  %103 = load i64, ptr %20, align 8, !tbaa !5
  %104 = load i64, ptr %21, align 8, !tbaa !5
  %105 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %104) #5
  %106 = load i64, ptr %105, align 8, !tbaa !5
  %107 = icmp sgt i64 %103, %106
  br i1 %107, label %108, label %110

108:                                              ; preds = %102
  %109 = load i64, ptr %20, align 8, !tbaa !5
  br label %114

110:                                              ; preds = %102
  %111 = load i64, ptr %21, align 8, !tbaa !5
  %112 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %111) #5
  %113 = load i64, ptr %112, align 8, !tbaa !5
  br label %114

114:                                              ; preds = %110, %108
  %115 = phi i64 [ %109, %108 ], [ %113, %110 ]
  store i64 %115, ptr %20, align 8, !tbaa !5
  br label %116

116:                                              ; preds = %114
  %117 = load i64, ptr %21, align 8, !tbaa !5
  %118 = add nsw i64 %117, 1
  store i64 %118, ptr %21, align 8, !tbaa !5
  br label %85, !llvm.loop !13

119:                                              ; preds = %89
  %120 = load i64, ptr %7, align 8, !tbaa !5
  %121 = load i64, ptr %20, align 8, !tbaa !5
  %122 = sub nsw i64 %120, %121
  %123 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %122)
          to label %124 unwind label %126

124:                                              ; preds = %119
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #5
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %14) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %125 = load i32, ptr %1, align 4
  ret i32 %125

126:                                              ; preds = %119
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %5, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  br label %130

130:                                              ; preds = %126, %98
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  br label %131

131:                                              ; preds = %130, %94
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #5
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %14) #5
  br label %132

132:                                              ; preds = %131, %90
  call void @llvm.lifetime.end.p0(i64 40, ptr %14) #5
  br label %133

133:                                              ; preds = %132, %78
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %134

134:                                              ; preds = %133, %30
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %135

135:                                              ; preds = %134
  %136 = load ptr, ptr %5, align 8
  %137 = load i32, ptr %6, align 4
  %138 = insertvalue { ptr, i32 } poison, ptr %136, 0
  %139 = insertvalue { ptr, i32 } %138, i32 %137, 1
  resume { ptr, i32 } %139
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorISt4pairIllESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @printf(ptr noundef, ...) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorISt4pairIllESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 = { 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 #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "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 = !{!"long", !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 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !10}


; 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.0" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<std::pair<long, long>>, std::allocator<std::vector<std::pair<long, long>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<long, long>>, std::allocator<std::vector<std::pair<long, long>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<long, long>>, std::allocator<std::vector<std::pair<long, long>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<long, long>>, std::allocator<std::vector<std::pair<long, long>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.1" = type { i8 }
%"struct.std::pair" = type { i64, i64 }
%"class.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.14" = type { i8 }
%"class.std::vector.9" = type { %"struct.std::_Vector_base.10" }
%"struct.std::_Vector_base.10" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.11" = type { i8 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfslRKSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EERS_IbSaIbEERS_IlSaIlEE(i64 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0

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

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca %"class.std::allocator.1", align 1
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca i8, align 1
  %11 = alloca %"class.std::allocator.14", align 1
  %12 = alloca %"class.std::vector.9", align 8
  %13 = alloca i64, align 8
  %14 = alloca %"class.std::allocator.11", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #5
  %16 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #5
  call void @_ZNSaISt6vectorISt4pairIllESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %16, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %17 unwind label %22

17:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorISt4pairIllESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  %18 = load i64, ptr %1, align 8, !tbaa !5
  %19 = icmp sgt i64 %18, 1
  br i1 %19, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %17
  %20 = getelementptr inbounds i8, ptr %7, i64 8
  %21 = getelementptr inbounds i8, ptr %8, i64 8
  br label %24

._crit_edge:                                      ; preds = %42, %17
  %.015.lcssa = phi i64 [ 0, %17 ], [ %45, %42 ]
  %.lcssa = phi i64 [ %18, %17 ], [ %47, %42 ]
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %9) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #5
  store i8 0, ptr %10, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #5
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %9, i64 noundef %.lcssa, ptr noundef nonnull align 1 dereferenceable(1) %10, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %54 unwind label %61

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorISt4pairIllESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  br label %81

24:                                               ; preds = %.lr.ph, %42
  %.01433 = phi i64 [ 1, %.lr.ph ], [ %46, %42 ]
  %.01532 = phi i64 [ 0, %.lr.ph ], [ %45, %42 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4, ptr noundef nonnull %5, ptr noundef nonnull %6)
  %26 = load i64, ptr %4, align 8, !tbaa !5
  %27 = add nsw i64 %26, -1
  store i64 %27, ptr %4, align 8, !tbaa !5
  %28 = load i64, ptr %5, align 8, !tbaa !5
  %29 = add nsw i64 %28, -1
  store i64 %29, ptr %5, align 8, !tbaa !5
  %30 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %27) #5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #5
  %31 = invoke { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %32 unwind label %49

32:                                               ; preds = %24
  %33 = extractvalue { i64, i64 } %31, 0
  store i64 %33, ptr %7, align 8
  %34 = extractvalue { i64, i64 } %31, 1
  store i64 %34, ptr %20, align 8
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %30, ptr noundef nonnull align 8 dereferenceable(16) %7)
          to label %35 unwind label %49

35:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  %36 = load i64, ptr %5, align 8, !tbaa !5
  %37 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %36) #5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #5
  %38 = invoke { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %39 unwind label %51

39:                                               ; preds = %35
  %40 = extractvalue { i64, i64 } %38, 0
  store i64 %40, ptr %8, align 8
  %41 = extractvalue { i64, i64 } %38, 1
  store i64 %41, ptr %21, align 8
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %37, ptr noundef nonnull align 8 dereferenceable(16) %8)
          to label %42 unwind label %51

42:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #5
  %43 = load i64, ptr %6, align 8, !tbaa !5
  %44 = shl nsw i64 %43, 1
  %45 = add nsw i64 %44, %.01532
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %46 = add nuw nsw i64 %.01433, 1
  %47 = load i64, ptr %1, align 8, !tbaa !5
  %48 = icmp slt i64 %46, %47
  br i1 %48, label %24, label %._crit_edge, !llvm.loop !11

49:                                               ; preds = %32, %24
  %50 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  br label %53

51:                                               ; preds = %39, %35
  %52 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #5
  br label %53

53:                                               ; preds = %51, %49
  %.pn24 = phi { ptr, i32 } [ %52, %51 ], [ %50, %49 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %80

54:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %12) #5
  %55 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #5
  store i64 0, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %14) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %55, ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %56 unwind label %63

56:                                               ; preds = %54
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  invoke void @_Z3dfslRKSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EERS_IbSaIbEERS_IlSaIlEE(i64 noundef 0, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(40) %9, ptr noundef nonnull align 8 dereferenceable(24) %12)
          to label %.preheader unwind label %65

.preheader:                                       ; preds = %56
  %57 = load i64, ptr %1, align 8, !tbaa !5
  %58 = icmp sgt i64 %57, 0
  br i1 %58, label %.lr.ph37, label %._crit_edge38

._crit_edge38:                                    ; preds = %73, %.preheader
  %.013.lcssa = phi i64 [ 0, %.preheader ], [ %74, %73 ]
  %59 = sub nsw i64 %.015.lcssa, %.013.lcssa
  %60 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %59)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #5
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %9) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %9) #5
  call void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0

61:                                               ; preds = %._crit_edge
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #5
  br label %79

63:                                               ; preds = %54
  %64 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  br label %78

65:                                               ; preds = %56
  %66 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  br label %78

.lr.ph37:                                         ; preds = %.preheader, %73
  %.036 = phi i64 [ %75, %73 ], [ 0, %.preheader ]
  %.01335 = phi i64 [ %74, %73 ], [ 0, %.preheader ]
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %.036) #5
  %68 = load i64, ptr %67, align 8, !tbaa !5
  %69 = icmp sgt i64 %.01335, %68
  br i1 %69, label %73, label %70

70:                                               ; preds = %.lr.ph37
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %.036) #5
  %72 = load i64, ptr %71, align 8, !tbaa !5
  br label %73

73:                                               ; preds = %.lr.ph37, %70
  %74 = phi i64 [ %72, %70 ], [ %.01335, %.lr.ph37 ]
  %75 = add nuw nsw i64 %.036, 1
  %76 = load i64, ptr %1, align 8, !tbaa !5
  %77 = icmp slt i64 %75, %76
  br i1 %77, label %.lr.ph37, label %._crit_edge38, !llvm.loop !13

78:                                               ; preds = %65, %63
  %.pn = phi { ptr, i32 } [ %66, %65 ], [ %64, %63 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #5
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %9) #5
  br label %79

79:                                               ; preds = %78, %61
  %.pn.pn = phi { ptr, i32 } [ %.pn, %78 ], [ %62, %61 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %9) #5
  br label %80

80:                                               ; preds = %79, %53
  %.pn24.pn = phi { ptr, i32 } [ %.pn24, %53 ], [ %.pn.pn, %79 ]
  call void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  br label %81

81:                                               ; preds = %80, %22
  %.pn24.pn.pn = phi { ptr, i32 } [ %.pn24.pn, %80 ], [ %23, %22 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn24.pn.pn
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorISt4pairIllESaIS1_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorISt4pairIllESaIS2_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 = { 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 #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


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