; LLVM IR from DionysiosB/CodeForces :: 1400-1499 (1450B-BallsOfSteel)

; 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<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" = type { i8 }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [4 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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 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 %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i8, align 1
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  %13 = alloca i8, align 1
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %18

18:                                               ; preds = %126, %0
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = add nsw i64 %19, -1
  store i64 %20, ptr %2, align 8, !tbaa !5
  %21 = icmp ne i64 %19, 0
  br i1 %21, label %22, label %133

22:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #5
  %24 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #5
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %24, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %25 unwind label %31

25:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  store i64 0, ptr %9, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %44, %25
  %27 = load i64, ptr %9, align 8, !tbaa !5
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = icmp slt i64 %27, %28
  br i1 %29, label %35, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %51

31:                                               ; preds = %22
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %7, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %8, align 4
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #5
  br label %132

35:                                               ; preds = %26
  %36 = load i64, ptr %9, align 8, !tbaa !5
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %36) #5
  %38 = getelementptr inbounds %"struct.std::pair", ptr %37, i32 0, i32 0
  %39 = load i64, ptr %9, align 8, !tbaa !5
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %39) #5
  %41 = getelementptr inbounds %"struct.std::pair", ptr %40, i32 0, i32 1
  %42 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %38, ptr noundef %41)
          to label %43 unwind label %47

43:                                               ; preds = %35
  br label %44

44:                                               ; preds = %43
  %45 = load i64, ptr %9, align 8, !tbaa !5
  %46 = add nsw i64 %45, 1
  store i64 %46, ptr %9, align 8, !tbaa !5
  br label %26, !llvm.loop !9

47:                                               ; preds = %35
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %7, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %131

51:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #5
  store i8 0, ptr %10, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  store i64 0, ptr %11, align 8, !tbaa !5
  br label %52

52:                                               ; preds = %116, %51
  %53 = load i64, ptr %11, align 8, !tbaa !5
  %54 = load i64, ptr %3, align 8, !tbaa !5
  %55 = icmp slt i64 %53, %54
  br i1 %55, label %57, label %56

56:                                               ; preds = %52
  store i32 7, ptr %12, align 4
  br label %119

57:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #5
  store i8 1, ptr %13, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %58

58:                                               ; preds = %104, %57
  %59 = load i64, ptr %14, align 8, !tbaa !5
  %60 = load i64, ptr %3, align 8, !tbaa !5
  %61 = icmp slt i64 %59, %60
  br i1 %61, label %63, label %62

62:                                               ; preds = %58
  store i32 10, ptr %12, align 4
  br label %107

63:                                               ; preds = %58
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %64 = load i64, ptr %11, align 8, !tbaa !5
  %65 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %64) #5
  %66 = getelementptr inbounds %"struct.std::pair", ptr %65, i32 0, i32 0
  %67 = load i64, ptr %66, align 8, !tbaa !13
  %68 = load i64, ptr %14, align 8, !tbaa !5
  %69 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %68) #5
  %70 = getelementptr inbounds %"struct.std::pair", ptr %69, i32 0, i32 0
  %71 = load i64, ptr %70, align 8, !tbaa !13
  %72 = sub nsw i64 %67, %71
  store i64 %72, ptr %15, align 8, !tbaa !5
  %73 = load i64, ptr %15, align 8, !tbaa !5
  %74 = icmp slt i64 %73, 0
  br i1 %74, label %75, label %78

75:                                               ; preds = %63
  %76 = load i64, ptr %15, align 8, !tbaa !5
  %77 = sub nsw i64 0, %76
  store i64 %77, ptr %15, align 8, !tbaa !5
  br label %78

78:                                               ; preds = %75, %63
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %79 = load i64, ptr %11, align 8, !tbaa !5
  %80 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %79) #5
  %81 = getelementptr inbounds %"struct.std::pair", ptr %80, i32 0, i32 1
  %82 = load i64, ptr %81, align 8, !tbaa !15
  %83 = load i64, ptr %14, align 8, !tbaa !5
  %84 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %83) #5
  %85 = getelementptr inbounds %"struct.std::pair", ptr %84, i32 0, i32 1
  %86 = load i64, ptr %85, align 8, !tbaa !15
  %87 = sub nsw i64 %82, %86
  store i64 %87, ptr %16, align 8, !tbaa !5
  %88 = load i64, ptr %16, align 8, !tbaa !5
  %89 = icmp slt i64 %88, 0
  br i1 %89, label %90, label %93

90:                                               ; preds = %78
  %91 = load i64, ptr %16, align 8, !tbaa !5
  %92 = sub nsw i64 0, %91
  store i64 %92, ptr %16, align 8, !tbaa !5
  br label %93

93:                                               ; preds = %90, %78
  %94 = load i64, ptr %15, align 8, !tbaa !5
  %95 = load i64, ptr %16, align 8, !tbaa !5
  %96 = add nsw i64 %94, %95
  %97 = load i64, ptr %4, align 8, !tbaa !5
  %98 = icmp sgt i64 %96, %97
  br i1 %98, label %99, label %100

99:                                               ; preds = %93
  store i8 0, ptr %13, align 1, !tbaa !11
  store i32 10, ptr %12, align 4
  br label %101

100:                                              ; preds = %93
  store i32 0, ptr %12, align 4
  br label %101

101:                                              ; preds = %100, %99
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  %102 = load i32, ptr %12, align 4
  switch i32 %102, label %107 [
    i32 0, label %103
  ]

103:                                              ; preds = %101
  br label %104

104:                                              ; preds = %103
  %105 = load i64, ptr %14, align 8, !tbaa !5
  %106 = add nsw i64 %105, 1
  store i64 %106, ptr %14, align 8, !tbaa !5
  br label %58, !llvm.loop !16

107:                                              ; preds = %101, %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %108

108:                                              ; preds = %107
  %109 = load i8, ptr %13, align 1, !tbaa !11, !range !17, !noundef !18
  %110 = trunc i8 %109 to i1
  br i1 %110, label %111, label %112

111:                                              ; preds = %108
  store i8 1, ptr %10, align 1, !tbaa !11
  store i32 7, ptr %12, align 4
  br label %113

112:                                              ; preds = %108
  store i32 0, ptr %12, align 4
  br label %113

113:                                              ; preds = %112, %111
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #5
  %114 = load i32, ptr %12, align 4
  switch i32 %114, label %119 [
    i32 0, label %115
  ]

115:                                              ; preds = %113
  br label %116

116:                                              ; preds = %115
  %117 = load i64, ptr %11, align 8, !tbaa !5
  %118 = add nsw i64 %117, 1
  store i64 %118, ptr %11, align 8, !tbaa !5
  br label %52, !llvm.loop !19

119:                                              ; preds = %113, %56
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %120

120:                                              ; preds = %119
  %121 = load i8, ptr %10, align 1, !tbaa !11, !range !17, !noundef !18
  %122 = trunc i8 %121 to i1
  %123 = zext i1 %122 to i64
  %124 = select i1 %122, i32 1, i32 -1
  %125 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %124)
          to label %126 unwind label %127

126:                                              ; preds = %120
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br label %18, !llvm.loop !20

127:                                              ; preds = %120
  %128 = landingpad { ptr, i32 }
          cleanup
  %129 = extractvalue { ptr, i32 } %128, 0
  store ptr %129, ptr %7, align 8
  %130 = extractvalue { ptr, i32 } %128, 1
  store i32 %130, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  br label %131

131:                                              ; preds = %127, %47
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br label %132

132:                                              ; preds = %131, %31
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %135

133:                                              ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %134 = load i32, ptr %1, align 4
  ret i32 %134

135:                                              ; preds = %132
  %136 = load ptr, ptr %7, align 8
  %137 = load i32, ptr %8, align 4
  %138 = insertvalue { ptr, i32 } poison, ptr %136, 0
  %139 = insertvalue { ptr, i32 } %138, i32 %137, 1
  resume { ptr, i32 } %139
}

; 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 @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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: 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(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 = { 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 = !{!"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 = !{!14, !6, i64 0}
!14 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!15 = !{!14, !6, i64 8}
!16 = distinct !{!16, !10}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = distinct !{!19, !10}
!20 = distinct !{!20, !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" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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" = type { i8 }

@.str = external hidden unnamed_addr constant [4 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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %7 = load i64, ptr %1, align 8, !tbaa !5
  %8 = add nsw i64 %7, -1
  store i64 %8, ptr %1, align 8, !tbaa !5
  %.not50 = icmp eq i64 %7, 0
  br i1 %.not50, label %._crit_edge, label %.lr.ph51

.lr.ph51:                                         ; preds = %0, %.critedge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  %10 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %10, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %11 unwind label %15

11:                                               ; preds = %.lr.ph51
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  %12 = load i64, ptr %2, align 8, !tbaa !5
  %13 = icmp sgt i64 %12, 0
  br i1 %13, label %.lr.ph, label %.critedge

.preheader41:                                     ; preds = %.lr.ph
  %14 = icmp sgt i64 %22, 0
  br i1 %14, label %.preheader, label %.critedge

15:                                               ; preds = %.lr.ph51
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 24, 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 } %16

.lr.ph:                                           ; preds = %11, %.lr.ph
  %.03443 = phi i64 [ %21, %.lr.ph ], [ 0, %11 ]
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03443) #6
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03443) #6
  %19 = getelementptr inbounds i8, ptr %18, i64 8
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %17, ptr noundef nonnull %19)
  %21 = add nuw nsw i64 %.03443, 1
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = icmp slt i64 %21, %22
  br i1 %23, label %.lr.ph, label %.preheader41, !llvm.loop !9

.preheader:                                       ; preds = %.preheader41, %42
  %24 = phi i64 [ %41, %42 ], [ %22, %.preheader41 ]
  %.03047 = phi i64 [ %43, %42 ], [ 0, %.preheader41 ]
  %.not4044 = icmp sgt i64 %24, 0
  br i1 %.not4044, label %.lr.ph46, label %.critedge

25:                                               ; preds = %.lr.ph46
  %26 = add nuw nsw i64 %.02645, 1
  %.not40 = icmp slt i64 %26, %41
  br i1 %.not40, label %.lr.ph46, label %.critedge, !llvm.loop !11

.lr.ph46:                                         ; preds = %.preheader, %25
  %.02645 = phi i64 [ %26, %25 ], [ 0, %.preheader ]
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03047) #6
  %28 = load i64, ptr %27, align 8, !tbaa !12
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02645) #6
  %30 = load i64, ptr %29, align 8, !tbaa !12
  %31 = sub nsw i64 %28, %30
  %spec.select = call i64 @llvm.abs.i64(i64 %31, i1 true)
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03047) #6
  %33 = getelementptr inbounds i8, ptr %32, i64 8
  %34 = load i64, ptr %33, align 8, !tbaa !14
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02645) #6
  %36 = getelementptr inbounds i8, ptr %35, i64 8
  %37 = load i64, ptr %36, align 8, !tbaa !14
  %38 = sub nsw i64 %34, %37
  %.0 = call i64 @llvm.abs.i64(i64 %38, i1 true)
  %39 = add nuw nsw i64 %.0, %spec.select
  %40 = load i64, ptr %3, align 8, !tbaa !5
  %.not39 = icmp sgt i64 %39, %40
  %41 = load i64, ptr %2, align 8, !tbaa !5
  br i1 %.not39, label %42, label %25

42:                                               ; preds = %.lr.ph46
  %43 = add nuw nsw i64 %.03047, 1
  %44 = icmp slt i64 %43, %41
  br i1 %44, label %.preheader, label %.critedge, !llvm.loop !15

.critedge:                                        ; preds = %42, %.preheader, %25, %11, %.preheader41
  %45 = phi i32 [ -1, %.preheader41 ], [ -1, %11 ], [ 1, %25 ], [ 1, %.preheader ], [ -1, %42 ]
  %46 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %45)
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, 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
  %47 = load i64, ptr %1, align 8, !tbaa !5
  %48 = add nsw i64 %47, -1
  store i64 %48, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %47, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph51, !llvm.loop !16

._crit_edge:                                      ; preds = %.critedge, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 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(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.abs.i64(i64, i1 immarg) #5

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!13, !6, i64 0}
!13 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!14 = !{!13, !6, i64 8}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}


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