; LLVM IR from DionysiosB/CodeForces :: 0600-0699 (670D2-MagicPowder2)

; 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<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 [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z10haveEnoughSt6vectorIlSaIlEES1_ll(ptr noundef, 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: 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: 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 %"class.std::vector", align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca i64, align 8
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  %17 = alloca %"class.std::vector", align 8
  %18 = alloca %"class.std::vector", align 8
  %19 = alloca %"class.std::vector", align 8
  %20 = alloca %"class.std::vector", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %22 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store i64 0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %22, ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %23 unwind label %31

23:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #5
  %24 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  store i64 0, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %24, ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %25 unwind label %35

25:                                               ; preds = %23
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %44, %25
  %27 = load i64, ptr %12, align 8, !tbaa !5
  %28 = load i64, ptr %2, align 8, !tbaa !5
  %29 = icmp slt i64 %27, %28
  br i1 %29, label %39, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %51

31:                                               ; preds = %0
  %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_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %121

35:                                               ; preds = %23
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %7, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %120

39:                                               ; preds = %26
  %40 = load i64, ptr %12, align 8, !tbaa !5
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %40) #5
  %42 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %41)
          to label %43 unwind label %47

43:                                               ; preds = %39
  br label %44

44:                                               ; preds = %43
  %45 = load i64, ptr %12, align 8, !tbaa !5
  %46 = add nsw i64 %45, 1
  store i64 %46, ptr %12, align 8, !tbaa !5
  br label %26, !llvm.loop !9

47:                                               ; preds = %39
  %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 %12) #5
  br label %119

51:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  store i64 0, ptr %13, align 8, !tbaa !5
  br label %52

52:                                               ; preds = %62, %51
  %53 = load i64, ptr %13, align 8, !tbaa !5
  %54 = load i64, ptr %2, align 8, !tbaa !5
  %55 = icmp slt i64 %53, %54
  br i1 %55, label %57, label %56

56:                                               ; preds = %52
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %69

57:                                               ; preds = %52
  %58 = load i64, ptr %13, align 8, !tbaa !5
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %58) #5
  %60 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %59)
          to label %61 unwind label %65

61:                                               ; preds = %57
  br label %62

62:                                               ; preds = %61
  %63 = load i64, ptr %13, align 8, !tbaa !5
  %64 = add nsw i64 %63, 1
  store i64 %64, ptr %13, align 8, !tbaa !5
  br label %52, !llvm.loop !11

65:                                               ; preds = %57
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %7, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %119

69:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  store i64 0, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  store i64 2000000000, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  store i64 0, ptr %16, align 8, !tbaa !5
  br label %70

70:                                               ; preds = %98, %69
  %71 = load i64, ptr %14, align 8, !tbaa !5
  %72 = load i64, ptr %15, align 8, !tbaa !5
  %73 = icmp sle i64 %71, %72
  br i1 %73, label %74, label %99

74:                                               ; preds = %70
  %75 = load i64, ptr %14, align 8, !tbaa !5
  %76 = load i64, ptr %15, align 8, !tbaa !5
  %77 = add nsw i64 %75, %76
  %78 = sdiv i64 %77, 2
  store i64 %78, ptr %16, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %79 unwind label %87

79:                                               ; preds = %74
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %18, ptr noundef nonnull align 8 dereferenceable(24) %9)
          to label %80 unwind label %91

80:                                               ; preds = %79
  %81 = load i64, ptr %16, align 8, !tbaa !5
  %82 = load i64, ptr %3, align 8, !tbaa !5
  %83 = call noundef zeroext i1 @_Z10haveEnoughSt6vectorIlSaIlEES1_ll(ptr noundef %17, ptr noundef %18, i64 noundef %81, i64 noundef %82)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  br i1 %83, label %84, label %95

84:                                               ; preds = %80
  %85 = load i64, ptr %16, align 8, !tbaa !5
  %86 = add nsw i64 %85, 1
  store i64 %86, ptr %14, align 8, !tbaa !5
  br label %98

87:                                               ; preds = %113, %99, %74
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %7, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %8, align 4
  br label %118

91:                                               ; preds = %79
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %7, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %8, align 4
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  br label %118

95:                                               ; preds = %80
  %96 = load i64, ptr %16, align 8, !tbaa !5
  %97 = sub nsw i64 %96, 1
  store i64 %97, ptr %15, align 8, !tbaa !5
  br label %98

98:                                               ; preds = %95, %84
  br label %70, !llvm.loop !12

99:                                               ; preds = %70
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %19, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %100 unwind label %87

100:                                              ; preds = %99
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %20, ptr noundef nonnull align 8 dereferenceable(24) %9)
          to label %101 unwind label %109

101:                                              ; preds = %100
  %102 = load i64, ptr %16, align 8, !tbaa !5
  %103 = load i64, ptr %3, align 8, !tbaa !5
  %104 = call noundef zeroext i1 @_Z10haveEnoughSt6vectorIlSaIlEES1_ll(ptr noundef %19, ptr noundef %20, i64 noundef %102, i64 noundef %103)
  %105 = xor i1 %104, true
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %20) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #5
  br i1 %105, label %106, label %113

106:                                              ; preds = %101
  %107 = load i64, ptr %16, align 8, !tbaa !5
  %108 = add nsw i64 %107, -1
  store i64 %108, ptr %16, align 8, !tbaa !5
  br label %113

109:                                              ; preds = %100
  %110 = landingpad { ptr, i32 }
          cleanup
  %111 = extractvalue { ptr, i32 } %110, 0
  store ptr %111, ptr %7, align 8
  %112 = extractvalue { ptr, i32 } %110, 1
  store i32 %112, ptr %8, align 4
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #5
  br label %118

113:                                              ; preds = %106, %101
  %114 = load i64, ptr %16, align 8, !tbaa !5
  %115 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %114)
          to label %116 unwind label %87

116:                                              ; preds = %113
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %117 = load i32, ptr %1, align 4
  ret i32 %117

118:                                              ; preds = %109, %91, %87
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %119

119:                                              ; preds = %118, %65, %47
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  br label %120

120:                                              ; preds = %119, %35
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %121

121:                                              ; preds = %120, %31
  call void @llvm.lifetime.end.p0(i64 24, 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 %122

122:                                              ; preds = %121
  %123 = load ptr, ptr %7, align 8
  %124 = load i32, ptr %8, align 4
  %125 = insertvalue { ptr, i32 } poison, ptr %123, 0
  %126 = insertvalue { ptr, i32 } %125, i32 %124, 1
  resume { ptr, i32 } %126
}

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

; 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 @_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 #4 align 2

declare i32 @__gxx_personality_v0(...)

; 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 @_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 = { 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}


; 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<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 [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z10haveEnoughSt6vectorIlSaIlEES1_ll(ptr noundef, 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 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: 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 %"class.std::vector", align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca %"class.std::vector", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  %14 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  store i64 0, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %14, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %15 unwind label %21

15:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #5
  %16 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %16, ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %17 unwind label %23

17:                                               ; preds = %15
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  %18 = load i64, ptr %1, align 8, !tbaa !5
  %19 = icmp sgt i64 %18, 0
  br i1 %19, label %.lr.ph, label %.preheader.preheader

.preheader32:                                     ; preds = %.lr.ph
  %20 = icmp sgt i64 %28, 0
  br i1 %20, label %.lr.ph37, label %.preheader.preheader

21:                                               ; preds = %0
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %56

23:                                               ; preds = %15
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  br label %55

.lr.ph:                                           ; preds = %17, %.lr.ph
  %.02335 = phi i64 [ %27, %.lr.ph ], [ 0, %17 ]
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02335) #5
  %26 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %25)
  %27 = add nuw nsw i64 %.02335, 1
  %28 = load i64, ptr %1, align 8, !tbaa !5
  %29 = icmp slt i64 %27, %28
  br i1 %29, label %.lr.ph, label %.preheader32, !llvm.loop !9

.lr.ph37:                                         ; preds = %.preheader32, %.lr.ph37
  %.02236 = phi i64 [ %32, %.lr.ph37 ], [ 0, %.preheader32 ]
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %.02236) #5
  %31 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %30)
  %32 = add nuw nsw i64 %.02236, 1
  %33 = load i64, ptr %1, align 8, !tbaa !5
  %34 = icmp slt i64 %32, %33
  br i1 %34, label %.lr.ph37, label %.preheader.preheader, !llvm.loop !11

.preheader.preheader:                             ; preds = %.lr.ph37, %17, %.preheader32
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %38
  %.01839 = phi i64 [ %.119, %38 ], [ 2000000000, %.preheader.preheader ]
  %.02038 = phi i64 [ %.121, %38 ], [ 0, %.preheader.preheader ]
  %35 = add nsw i64 %.01839, %.02038
  %36 = sdiv i64 %35, 2
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %37 unwind label %.loopexit

37:                                               ; preds = %.preheader
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %38 unwind label %43

38:                                               ; preds = %37
  %39 = load i64, ptr %2, align 8, !tbaa !5
  %40 = call noundef zeroext i1 @_Z10haveEnoughSt6vectorIlSaIlEES1_ll(ptr noundef nonnull %9, ptr noundef nonnull %10, i64 noundef %36, i64 noundef %39)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  %41 = add nsw i64 %36, 1
  %42 = add nsw i64 %36, -1
  %.121 = select i1 %40, i64 %41, i64 %.02038
  %.119 = select i1 %40, i64 %.01839, i64 %42
  %.not = icmp sgt i64 %.121, %.119
  br i1 %.not, label %45, label %.preheader, !llvm.loop !12

.loopexit:                                        ; preds = %.preheader
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %54

.loopexit.split-lp:                               ; preds = %45
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %54

43:                                               ; preds = %37
  %44 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  br label %54

45:                                               ; preds = %38
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %11, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %46 unwind label %.loopexit.split-lp

46:                                               ; preds = %45
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %47 unwind label %52

47:                                               ; preds = %46
  %48 = load i64, ptr %2, align 8, !tbaa !5
  %49 = call noundef zeroext i1 @_Z10haveEnoughSt6vectorIlSaIlEES1_ll(ptr noundef nonnull %11, ptr noundef nonnull %12, i64 noundef %36, i64 noundef %48)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  %not. = xor i1 %49, true
  %50 = sext i1 %not. to i64
  %spec.select = add nsw i64 %36, %50
  %51 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %spec.select)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0

52:                                               ; preds = %46
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  br label %54

54:                                               ; preds = %.loopexit, %.loopexit.split-lp, %52, %43
  %.pn = phi { ptr, i32 } [ %44, %43 ], [ %53, %52 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  br label %55

55:                                               ; preds = %54, %23
  %.pn.pn = phi { ptr, i32 } [ %.pn, %54 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %56

56:                                               ; preds = %55, %21
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %55 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn.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 @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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 #4 align 2

declare i32 @__gxx_personality_v0(...)

; 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 @_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 = { 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}


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