; LLVM IR from DionysiosB/CodeForces :: 1000-1099 (1091C-NewYearAndTheSphereTransmission)

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 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 %"class.std::set", align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca i64, align 8
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %13 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %14 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 48, ptr %3) #5
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  store i64 1, ptr %4, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %75, %0
  %17 = load i64, ptr %4, align 8, !tbaa !5
  %18 = load i64, ptr %4, align 8, !tbaa !5
  %19 = mul nsw i64 %17, %18
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = icmp sle i64 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %78

23:                                               ; preds = %16
  %24 = load i64, ptr %2, align 8, !tbaa !5
  %25 = load i64, ptr %4, align 8, !tbaa !5
  %26 = srem i64 %24, %25
  %27 = icmp eq i64 %26, 0
  br i1 %27, label %28, label %74

28:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %29 = load i64, ptr %2, align 8, !tbaa !5
  %30 = load i64, ptr %4, align 8, !tbaa !5
  %31 = sdiv i64 %29, %30
  store i64 %31, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %32 = load i64, ptr %2, align 8, !tbaa !5
  %33 = load i64, ptr %4, align 8, !tbaa !5
  %34 = sub nsw i64 %33, 1
  %35 = mul nsw i64 %32, %34
  %36 = sdiv i64 %35, 2
  %37 = load i64, ptr %4, align 8, !tbaa !5
  %38 = add nsw i64 %36, %37
  store i64 %38, ptr %6, align 8, !tbaa !5
  %39 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %40 unwind label %64

40:                                               ; preds = %28
  %41 = getelementptr inbounds { ptr, i8 }, ptr %9, i32 0, i32 0
  %42 = extractvalue { ptr, i8 } %39, 0
  store ptr %42, ptr %41, align 8
  %43 = getelementptr inbounds { ptr, i8 }, ptr %9, i32 0, i32 1
  %44 = extractvalue { ptr, i8 } %39, 1
  store i8 %44, ptr %43, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  %45 = load i64, ptr %4, align 8, !tbaa !5
  %46 = load i64, ptr %4, align 8, !tbaa !5
  %47 = mul nsw i64 %45, %46
  %48 = load i64, ptr %2, align 8, !tbaa !5
  %49 = icmp ne i64 %47, %48
  br i1 %49, label %50, label %72

50:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %51 = load i64, ptr %2, align 8, !tbaa !5
  %52 = load i64, ptr %5, align 8, !tbaa !5
  %53 = sub nsw i64 %52, 1
  %54 = mul nsw i64 %51, %53
  %55 = sdiv i64 %54, 2
  %56 = load i64, ptr %5, align 8, !tbaa !5
  %57 = add nsw i64 %55, %56
  store i64 %57, ptr %10, align 8, !tbaa !5
  %58 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %59 unwind label %68

59:                                               ; preds = %50
  %60 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 0
  %61 = extractvalue { ptr, i8 } %58, 0
  store ptr %61, ptr %60, align 8
  %62 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 1
  %63 = extractvalue { ptr, i8 } %58, 1
  store i8 %63, ptr %62, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %72

64:                                               ; preds = %28
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %7, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %73

68:                                               ; preds = %50
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %7, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %73

72:                                               ; preds = %59, %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %74

73:                                               ; preds = %68, %64
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %106

74:                                               ; preds = %72, %23
  br label %75

75:                                               ; preds = %74
  %76 = load i64, ptr %4, align 8, !tbaa !5
  %77 = add nsw i64 %76, 1
  store i64 %77, ptr %4, align 8, !tbaa !5
  br label %16, !llvm.loop !9

78:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  %79 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  %80 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %12, i32 0, i32 0
  store ptr %79, ptr %80, align 8
  br label %81

81:                                               ; preds = %91, %78
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %82 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  %83 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %13, i32 0, i32 0
  store ptr %82, ptr %83, align 8
  %84 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br i1 %84, label %86, label %85

85:                                               ; preds = %81
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %98

86:                                               ; preds = %81
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #5
  %88 = load i64, ptr %87, align 8, !tbaa !5
  %89 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %88)
          to label %90 unwind label %94

90:                                               ; preds = %86
  br label %91

91:                                               ; preds = %90
  %92 = call ptr @_ZNSt23_Rb_tree_const_iteratorIxEppEi(ptr noundef nonnull align 8 dereferenceable(8) %12, i32 noundef 0) #5
  %93 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %14, i32 0, i32 0
  store ptr %92, ptr %93, align 8
  br label %81, !llvm.loop !11

94:                                               ; preds = %86
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %7, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %106

98:                                               ; preds = %85
  %99 = invoke i32 @puts(ptr noundef @.str.2)
          to label %100 unwind label %102

100:                                              ; preds = %98
  store i32 0, ptr %1, align 4
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %101 = load i32, ptr %1, align 4
  ret i32 %101

102:                                              ; preds = %98
  %103 = landingpad { ptr, i32 }
          cleanup
  %104 = extractvalue { ptr, i32 } %103, 0
  store ptr %104, ptr %7, align 8
  %105 = extractvalue { ptr, i32 } %103, 1
  store i32 %105, ptr %8, align 4
  br label %106

106:                                              ; preds = %102, %94, %73
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %107

107:                                              ; preds = %106
  %108 = load ptr, ptr %7, align 8
  %109 = load i32, ptr %8, align 4
  %110 = insertvalue { ptr, i32 } poison, ptr %108, 0
  %111 = insertvalue { ptr, i32 } %110, i32 %109, 1
  resume { ptr, i32 } %111
}

; 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 @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #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 ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorIxEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3 align 2

declare i32 @puts(ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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 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}


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

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 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 %"class.std::set", align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %2) #5
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  %8 = load i64, ptr %1, align 8, !tbaa !5
  %.not22 = icmp slt i64 %8, 1
  br i1 %.not22, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %37, %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %9 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  store ptr %9, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %10 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  store ptr %10, ptr %6, align 8
  %11 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  br i1 %11, label %.lr.ph25, label %._crit_edge26

.lr.ph:                                           ; preds = %0, %37
  %12 = phi i64 [ %38, %37 ], [ %8, %0 ]
  %13 = phi i64 [ %40, %37 ], [ 1, %0 ]
  %.023 = phi i64 [ %39, %37 ], [ 1, %0 ]
  %14 = srem i64 %12, %.023
  %15 = sdiv i64 %12, %.023
  %16 = icmp eq i64 %14, 0
  br i1 %16, label %17, label %37

17:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %18 = add nsw i64 %.023, -1
  %19 = mul nsw i64 %12, %18
  %20 = sdiv i64 %19, 2
  %21 = add nsw i64 %20, %.023
  store i64 %21, ptr %3, align 8, !tbaa !5
  %22 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %23 unwind label %32

23:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  %24 = load i64, ptr %1, align 8, !tbaa !5
  %.not20 = icmp eq i64 %13, %24
  br i1 %.not20, label %37, label %25

25:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %26 = add nsw i64 %15, -1
  %27 = mul nsw i64 %24, %26
  %28 = sdiv i64 %27, 2
  %29 = add nsw i64 %28, %15
  store i64 %29, ptr %4, align 8, !tbaa !5
  %30 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %31 unwind label %34

31:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %.pre = load i64, ptr %1, align 8, !tbaa !5
  br label %37

32:                                               ; preds = %17
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br label %36

34:                                               ; preds = %25
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %36

36:                                               ; preds = %34, %32
  %.pn = phi { ptr, i32 } [ %35, %34 ], [ %33, %32 ]
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn

37:                                               ; preds = %23, %31, %.lr.ph
  %38 = phi i64 [ %13, %23 ], [ %.pre, %31 ], [ %12, %.lr.ph ]
  %39 = add nuw nsw i64 %.023, 1
  %40 = mul nuw nsw i64 %39, %39
  %.not = icmp sgt i64 %40, %38
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge26:                                    ; preds = %.lr.ph25, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  %41 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0

.lr.ph25:                                         ; preds = %._crit_edge, %.lr.ph25
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  %43 = load i64, ptr %42, align 8, !tbaa !5
  %44 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %43)
  %45 = call ptr @_ZNSt23_Rb_tree_const_iteratorIxEppEi(ptr noundef nonnull align 8 dereferenceable(8) %5, i32 noundef 0) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %46 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #5
  store ptr %46, ptr %6, align 8
  %47 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  br i1 %47, label %.lr.ph25, label %._crit_edge26, !llvm.loop !11
}

; 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 @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_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 ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorIxEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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 = { 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 = { 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 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}


; Effective O3 passes: DivRemPairsPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass