; LLVM IR from DionysiosB/CodeForces :: 0700-0799 (729C-RoadToCinema)

; 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.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"struct.std::pair" = type { i64, i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [16 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z5checkSt6vectorIlSaIlEEll(ptr noundef, i64 noundef, i64 noundef) #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 norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::vector.0", align 8
  %7 = alloca %"class.std::allocator.2", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca %"class.std::allocator", align 1
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca i64, align 8
  %21 = alloca i64, align 8
  %22 = alloca i64, align 8
  %23 = alloca i64, align 8
  %24 = alloca %"class.std::vector", align 8
  %25 = alloca i64, align 8
  %26 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %27 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #6
  %28 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %28, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %29 unwind label %35

29:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %30

30:                                               ; preds = %51, %29
  %31 = load i64, ptr %10, align 8, !tbaa !5
  %32 = load i64, ptr %2, align 8, !tbaa !5
  %33 = icmp slt i64 %31, %32
  br i1 %33, label %39, label %34

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %63

35:                                               ; preds = %0
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %8, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %9, align 4
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  br label %179

39:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %40 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %11, ptr noundef %12)
          to label %41 unwind label %54

41:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #6
  %42 = invoke { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %43 unwind label %58

43:                                               ; preds = %41
  %44 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 0
  %45 = extractvalue { i64, i64 } %42, 0
  store i64 %45, ptr %44, align 8
  %46 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 1
  %47 = extractvalue { i64, i64 } %42, 1
  store i64 %47, ptr %46, align 8
  %48 = load i64, ptr %10, align 8, !tbaa !5
  %49 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %48) #6
  %50 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %49, ptr noundef nonnull align 8 dereferenceable(16) %13) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %51

51:                                               ; preds = %43
  %52 = load i64, ptr %10, align 8, !tbaa !5
  %53 = add nsw i64 %52, 1
  store i64 %53, ptr %10, align 8, !tbaa !5
  br label %30, !llvm.loop !9

54:                                               ; preds = %39
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %8, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %9, align 4
  br label %62

58:                                               ; preds = %41
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %8, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #6
  br label %62

62:                                               ; preds = %58, %54
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %178

63:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #6
  %64 = load i64, ptr %3, align 8, !tbaa !5
  %65 = add nsw i64 %64, 2
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %65, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %66 unwind label %73

66:                                               ; preds = %63
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef 0) #6
  store i64 0, ptr %67, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  store i64 1, ptr %16, align 8, !tbaa !5
  br label %68

68:                                               ; preds = %83, %66
  %69 = load i64, ptr %16, align 8, !tbaa !5
  %70 = load i64, ptr %3, align 8, !tbaa !5
  %71 = icmp sle i64 %69, %70
  br i1 %71, label %77, label %72

72:                                               ; preds = %68
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %90

73:                                               ; preds = %63
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %8, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  br label %177

77:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  %78 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %17)
          to label %79 unwind label %86

79:                                               ; preds = %77
  %80 = load i64, ptr %17, align 8, !tbaa !5
  %81 = load i64, ptr %16, align 8, !tbaa !5
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %81) #6
  store i64 %80, ptr %82, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %83

83:                                               ; preds = %79
  %84 = load i64, ptr %16, align 8, !tbaa !5
  %85 = add nsw i64 %84, 1
  store i64 %85, ptr %16, align 8, !tbaa !5
  br label %68, !llvm.loop !11

86:                                               ; preds = %77
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %8, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %176

90:                                               ; preds = %72
  %91 = load i64, ptr %4, align 8, !tbaa !5
  %92 = load i64, ptr %3, align 8, !tbaa !5
  %93 = add nsw i64 %92, 1
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %93) #6
  store i64 %91, ptr %94, align 8, !tbaa !5
  %95 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  %96 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %95, ptr %96, align 8
  %97 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  %98 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %97, ptr %98, align 8
  %99 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  %100 = load ptr, ptr %99, align 8
  %101 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  %102 = load ptr, ptr %101, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %100, ptr %102)
          to label %103 unwind label %121

103:                                              ; preds = %90
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #6
  store i64 1000000010, ptr %20, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  store i64 0, ptr %21, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #6
  store i64 1000000010, ptr %22, align 8, !tbaa !5
  br label %104

104:                                              ; preds = %132, %103
  %105 = load i64, ptr %21, align 8, !tbaa !5
  %106 = load i64, ptr %22, align 8, !tbaa !5
  %107 = icmp sle i64 %105, %106
  br i1 %107, label %108, label %133

108:                                              ; preds = %104
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #6
  %109 = load i64, ptr %21, align 8, !tbaa !5
  %110 = load i64, ptr %22, align 8, !tbaa !5
  %111 = add nsw i64 %109, %110
  %112 = sdiv i64 %111, 2
  store i64 %112, ptr %23, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr noundef nonnull align 8 dereferenceable(24) %14)
          to label %113 unwind label %125

113:                                              ; preds = %108
  %114 = load i64, ptr %5, align 8, !tbaa !5
  %115 = load i64, ptr %23, align 8, !tbaa !5
  %116 = call noundef zeroext i1 @_Z5checkSt6vectorIlSaIlEEll(ptr noundef %24, i64 noundef %114, i64 noundef %115)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %24) #6
  br i1 %116, label %117, label %129

117:                                              ; preds = %113
  %118 = load i64, ptr %23, align 8, !tbaa !5
  store i64 %118, ptr %20, align 8, !tbaa !5
  %119 = load i64, ptr %23, align 8, !tbaa !5
  %120 = sub nsw i64 %119, 1
  store i64 %120, ptr %22, align 8, !tbaa !5
  br label %132

121:                                              ; preds = %90
  %122 = landingpad { ptr, i32 }
          cleanup
  %123 = extractvalue { ptr, i32 } %122, 0
  store ptr %123, ptr %8, align 8
  %124 = extractvalue { ptr, i32 } %122, 1
  store i32 %124, ptr %9, align 4
  br label %176

125:                                              ; preds = %108
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %8, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #6
  br label %175

129:                                              ; preds = %113
  %130 = load i64, ptr %23, align 8, !tbaa !5
  %131 = add nsw i64 %130, 1
  store i64 %131, ptr %21, align 8, !tbaa !5
  br label %132

132:                                              ; preds = %129, %117
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #6
  br label %104, !llvm.loop !12

133:                                              ; preds = %104
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #6
  store i64 -1, ptr %25, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #6
  store i64 0, ptr %26, align 8, !tbaa !5
  br label %134

134:                                              ; preds = %163, %133
  %135 = load i64, ptr %26, align 8, !tbaa !5
  %136 = load i64, ptr %2, align 8, !tbaa !5
  %137 = icmp slt i64 %135, %136
  br i1 %137, label %139, label %138

138:                                              ; preds = %134
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #6
  br label %166

139:                                              ; preds = %134
  %140 = load i64, ptr %26, align 8, !tbaa !5
  %141 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %140) #6
  %142 = getelementptr inbounds %"struct.std::pair", ptr %141, i32 0, i32 1
  %143 = load i64, ptr %142, align 8, !tbaa !13
  %144 = load i64, ptr %20, align 8, !tbaa !5
  %145 = icmp slt i64 %143, %144
  br i1 %145, label %146, label %147

146:                                              ; preds = %139
  br label %163

147:                                              ; preds = %139
  %148 = load i64, ptr %25, align 8, !tbaa !5
  %149 = icmp slt i64 %148, 0
  br i1 %149, label %157, label %150

150:                                              ; preds = %147
  %151 = load i64, ptr %26, align 8, !tbaa !5
  %152 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %151) #6
  %153 = getelementptr inbounds %"struct.std::pair", ptr %152, i32 0, i32 0
  %154 = load i64, ptr %153, align 8, !tbaa !15
  %155 = load i64, ptr %25, align 8, !tbaa !5
  %156 = icmp slt i64 %154, %155
  br i1 %156, label %157, label %162

157:                                              ; preds = %150, %147
  %158 = load i64, ptr %26, align 8, !tbaa !5
  %159 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %158) #6
  %160 = getelementptr inbounds %"struct.std::pair", ptr %159, i32 0, i32 0
  %161 = load i64, ptr %160, align 8, !tbaa !15
  store i64 %161, ptr %25, align 8, !tbaa !5
  br label %162

162:                                              ; preds = %157, %150
  br label %163

163:                                              ; preds = %162, %146
  %164 = load i64, ptr %26, align 8, !tbaa !5
  %165 = add nsw i64 %164, 1
  store i64 %165, ptr %26, align 8, !tbaa !5
  br label %134, !llvm.loop !16

166:                                              ; preds = %138
  %167 = load i64, ptr %25, align 8, !tbaa !5
  %168 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %167)
          to label %169 unwind label %171

169:                                              ; preds = %166
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %170 = load i32, ptr %1, align 4
  ret i32 %170

171:                                              ; preds = %166
  %172 = landingpad { ptr, i32 }
          cleanup
  %173 = extractvalue { ptr, i32 } %172, 0
  store ptr %173, ptr %8, align 8
  %174 = extractvalue { ptr, i32 } %172, 1
  store i32 %174, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #6
  br label %175

175:                                              ; preds = %171, %125
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #6
  br label %176

176:                                              ; preds = %175, %121, %86
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  br label %177

177:                                              ; preds = %176, %73
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  br label %178

178:                                              ; preds = %177, %62
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  br label %179

179:                                              ; preds = %178, %35
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %180

180:                                              ; preds = %179
  %181 = load ptr, ptr %8, align 8
  %182 = load i32, ptr %9, align 4
  %183 = insertvalue { ptr, i32 } poison, ptr %181, 0
  %184 = insertvalue { ptr, i32 } %183, i32 %182, 1
  resume { ptr, i32 } %184
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress 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)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; 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) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long", !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, !6, i64 8}
!14 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!15 = !{!14, !6, i64 0}
!16 = distinct !{!16, !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.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"struct.std::pair" = type { i64, i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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" = type { i8 }

@.str = external hidden unnamed_addr constant [16 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z5checkSt6vectorIlSaIlEEll(ptr noundef, i64 noundef, i64 noundef) 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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca %"class.std::allocator.2", align 1
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca i64, align 8
  %13 = alloca %"class.std::vector", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #6
  %15 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %15, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %16 unwind label %22

16:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  %17 = load i64, ptr %1, align 8, !tbaa !5
  %18 = icmp sgt i64 %17, 0
  br i1 %18, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %16
  %19 = getelementptr inbounds i8, ptr %9, i64 8
  br label %24

._crit_edge:                                      ; preds = %27, %16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #6
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = add nsw i64 %20, 2
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %37 unwind label %45

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  br label %86

24:                                               ; preds = %.lr.ph, %27
  %.04050 = phi i64 [ 0, %.lr.ph ], [ %32, %27 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %7, ptr noundef nonnull %8)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #6
  %26 = invoke { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %27 unwind label %35

27:                                               ; preds = %24
  %28 = extractvalue { i64, i64 } %26, 0
  store i64 %28, ptr %9, align 8
  %29 = extractvalue { i64, i64 } %26, 1
  store i64 %29, ptr %19, align 8
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.04050) #6
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 8 dereferenceable(16) %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  %32 = add nuw nsw i64 %.04050, 1
  %33 = load i64, ptr %1, align 8, !tbaa !5
  %34 = icmp slt i64 %32, %33
  br i1 %34, label %24, label %._crit_edge, !llvm.loop !9

35:                                               ; preds = %24
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %85

37:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #6
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef 0) #6
  store i64 0, ptr %38, align 8, !tbaa !5
  %39 = load i64, ptr %2, align 8, !tbaa !5
  %.not51 = icmp slt i64 %39, 1
  br i1 %.not51, label %._crit_edge55, label %.lr.ph54

._crit_edge55:                                    ; preds = %.lr.ph54, %37
  %.lcssa = phi i64 [ %39, %37 ], [ %51, %.lr.ph54 ]
  %40 = load i64, ptr %3, align 8, !tbaa !5
  %41 = add nsw i64 %.lcssa, 1
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %41) #6
  store i64 %40, ptr %42, align 8, !tbaa !5
  %43 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %44 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %43, ptr %44)
          to label %.preheader48 unwind label %61

45:                                               ; preds = %._crit_edge
  %46 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #6
  br label %84

.lr.ph54:                                         ; preds = %37, %.lr.ph54
  %.03952 = phi i64 [ %50, %.lr.ph54 ], [ 1, %37 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #6
  %47 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %12)
  %48 = load i64, ptr %12, align 8, !tbaa !5
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %.03952) #6
  store i64 %48, ptr %49, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  %50 = add nuw nsw i64 %.03952, 1
  %51 = load i64, ptr %2, align 8, !tbaa !5
  %.not.not = icmp slt i64 %.03952, %51
  br i1 %.not.not, label %.lr.ph54, label %._crit_edge55, !llvm.loop !11

.preheader:                                       ; preds = %54
  %52 = load i64, ptr %1, align 8, !tbaa !5
  %53 = icmp sgt i64 %52, 0
  br i1 %53, label %.lr.ph61, label %._crit_edge62

.preheader48:                                     ; preds = %._crit_edge55, %54
  %.02758 = phi i64 [ %.128, %54 ], [ 1000000010, %._crit_edge55 ]
  %.02957 = phi i64 [ %.130, %54 ], [ 0, %._crit_edge55 ]
  %.03156 = phi i64 [ %.132, %54 ], [ 1000000010, %._crit_edge55 ]
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 8 dereferenceable(24) %10)
          to label %54 unwind label %63

54:                                               ; preds = %.preheader48
  %55 = add nsw i64 %.02758, %.02957
  %56 = sdiv i64 %55, 2
  %57 = load i64, ptr %4, align 8, !tbaa !5
  %58 = call noundef zeroext i1 @_Z5checkSt6vectorIlSaIlEEll(ptr noundef nonnull %13, i64 noundef %57, i64 noundef %56)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  %59 = add nsw i64 %56, -1
  %60 = add nsw i64 %56, 1
  %.132 = select i1 %58, i64 %56, i64 %.03156
  %.130 = select i1 %58, i64 %.02957, i64 %60
  %.128 = select i1 %58, i64 %59, i64 %.02758
  %.not42 = icmp sgt i64 %.130, %.128
  br i1 %.not42, label %.preheader, label %.preheader48, !llvm.loop !12

61:                                               ; preds = %._crit_edge55
  %62 = landingpad { ptr, i32 }
          cleanup
  br label %83

63:                                               ; preds = %.preheader48
  %64 = landingpad { ptr, i32 }
          cleanup
  br label %83

._crit_edge62:                                    ; preds = %79, %.preheader
  %.026.lcssa = phi i64 [ -1, %.preheader ], [ %.1, %79 ]
  %65 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %.026.lcssa)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0

.lr.ph61:                                         ; preds = %.preheader, %79
  %.060 = phi i64 [ %80, %79 ], [ 0, %.preheader ]
  %.02659 = phi i64 [ %.1, %79 ], [ -1, %.preheader ]
  %66 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.060) #6
  %67 = getelementptr inbounds i8, ptr %66, i64 8
  %68 = load i64, ptr %67, align 8, !tbaa !13
  %69 = icmp slt i64 %68, %.132
  br i1 %69, label %79, label %70

70:                                               ; preds = %.lr.ph61
  %71 = icmp slt i64 %.02659, 0
  br i1 %71, label %76, label %72

72:                                               ; preds = %70
  %73 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.060) #6
  %74 = load i64, ptr %73, align 8, !tbaa !15
  %75 = icmp slt i64 %74, %.02659
  br i1 %75, label %76, label %79

76:                                               ; preds = %72, %70
  %77 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.060) #6
  %78 = load i64, ptr %77, align 8, !tbaa !15
  br label %79

79:                                               ; preds = %72, %76, %.lr.ph61
  %.1 = phi i64 [ %.02659, %.lr.ph61 ], [ %78, %76 ], [ %.02659, %72 ]
  %80 = add nuw nsw i64 %.060, 1
  %81 = load i64, ptr %1, align 8, !tbaa !5
  %82 = icmp slt i64 %80, %81
  br i1 %82, label %.lr.ph61, label %._crit_edge62, !llvm.loop !16

83:                                               ; preds = %63, %61
  %.pn = phi { ptr, i32 } [ %64, %63 ], [ %62, %61 ]
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  br label %84

84:                                               ; preds = %83, %45
  %.pn.pn = phi { ptr, i32 } [ %.pn, %83 ], [ %46, %45 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #6
  br label %85

85:                                               ; preds = %84, %35
  %.pn45 = phi { ptr, i32 } [ %36, %35 ], [ %.pn.pn, %84 ]
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %86

86:                                               ; preds = %85, %22
  %.pn45.pn = phi { ptr, i32 } [ %.pn45, %85 ], [ %23, %22 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn45.pn
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress 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 #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; 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 #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long", !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, !6, i64 8}
!14 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!15 = !{!14, !6, i64 0}
!16 = distinct !{!16, !10}


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