; LLVM IR from DionysiosB/CodeForces :: 1922B-FormingTriangles (main)

; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, 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_iterator" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 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 %"class.std::map", align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %12 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %13 = alloca i64, align 8
  %14 = alloca %"struct.std::_Rb_tree_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)
  br label %16

16:                                               ; preds = %89, %0
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = add nsw i64 %17, -1
  store i64 %18, ptr %2, align 8, !tbaa !5
  %19 = icmp ne i64 %17, 0
  br i1 %19, label %20, label %95

20:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 48, ptr %4) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store i64 0, ptr %5, align 8, !tbaa !5
  br label %22

22:                                               ; preds = %34, %20
  %23 = load i64, ptr %5, align 8, !tbaa !5
  %24 = load i64, ptr %3, align 8, !tbaa !5
  %25 = icmp slt i64 %23, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %41

27:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %28 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6)
          to label %29 unwind label %37

29:                                               ; preds = %27
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %31 unwind label %37

31:                                               ; preds = %29
  %32 = load i64, ptr %30, align 8, !tbaa !5
  %33 = add nsw i64 %32, 1
  store i64 %33, ptr %30, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %34

34:                                               ; preds = %31
  %35 = load i64, ptr %5, align 8, !tbaa !5
  %36 = add nsw i64 %35, 1
  store i64 %36, ptr %5, align 8, !tbaa !5
  br label %22, !llvm.loop !9

37:                                               ; preds = %29, %27
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %7, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %94

41:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  store i64 0, ptr %9, 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 8, ptr %11) #5
  %42 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  %43 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %11, i32 0, i32 0
  store ptr %42, ptr %43, align 8
  br label %44

44:                                               ; preds = %83, %41
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  %45 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  %46 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %12, i32 0, i32 0
  store ptr %45, ptr %46, align 8
  %47 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br i1 %47, label %49, label %48

48:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %86

49:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %50 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  %51 = getelementptr inbounds %"struct.std::pair", ptr %50, i32 0, i32 1
  %52 = load i64, ptr %51, align 8, !tbaa !11
  store i64 %52, ptr %13, align 8, !tbaa !5
  %53 = load i64, ptr %13, align 8, !tbaa !5
  %54 = icmp sge i64 %53, 2
  %55 = zext i1 %54 to i64
  %56 = load i64, ptr %13, align 8, !tbaa !5
  %57 = mul nsw i64 %55, %56
  %58 = load i64, ptr %13, align 8, !tbaa !5
  %59 = sub nsw i64 %58, 1
  %60 = mul nsw i64 %57, %59
  %61 = load i64, ptr %9, align 8, !tbaa !5
  %62 = mul nsw i64 %60, %61
  %63 = sdiv i64 %62, 2
  %64 = load i64, ptr %10, align 8, !tbaa !5
  %65 = add nsw i64 %64, %63
  store i64 %65, ptr %10, align 8, !tbaa !5
  %66 = load i64, ptr %13, align 8, !tbaa !5
  %67 = icmp sge i64 %66, 3
  %68 = zext i1 %67 to i64
  %69 = load i64, ptr %13, align 8, !tbaa !5
  %70 = mul nsw i64 %68, %69
  %71 = load i64, ptr %13, align 8, !tbaa !5
  %72 = sub nsw i64 %71, 1
  %73 = mul nsw i64 %70, %72
  %74 = load i64, ptr %13, align 8, !tbaa !5
  %75 = sub nsw i64 %74, 2
  %76 = mul nsw i64 %73, %75
  %77 = sdiv i64 %76, 6
  %78 = load i64, ptr %10, align 8, !tbaa !5
  %79 = add nsw i64 %78, %77
  store i64 %79, ptr %10, align 8, !tbaa !5
  %80 = load i64, ptr %13, align 8, !tbaa !5
  %81 = load i64, ptr %9, align 8, !tbaa !5
  %82 = add nsw i64 %81, %80
  store i64 %82, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %83

83:                                               ; preds = %49
  %84 = call ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %11, i32 noundef 0) #5
  %85 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %14, i32 0, i32 0
  store ptr %84, ptr %85, align 8
  br label %44, !llvm.loop !13

86:                                               ; preds = %48
  %87 = load i64, ptr %10, align 8, !tbaa !5
  %88 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %87)
          to label %89 unwind label %90

89:                                               ; preds = %86
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br label %16, !llvm.loop !14

90:                                               ; preds = %86
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %7, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %94

94:                                               ; preds = %90, %37
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, 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 %97

95:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %96 = load i32, ptr %1, align 4
  ret i32 %96

97:                                               ; preds = %94
  %98 = load ptr, ptr %7, align 8
  %99 = load i32, ptr %8, align 4
  %100 = insertvalue { ptr, i32 } poison, ptr %98, 0
  %101 = insertvalue { ptr, i32 } %100, i32 %99, 1
  resume { ptr, i32 } %101
}

; 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 @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #4 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 nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(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 = !{!12, !6, i64 8}
!12 = !{!"_ZTSSt4pairIKxxE", !6, i64 0, !6, i64 8}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, 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_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

; 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 %"class.std::map", align 8
  %4 = alloca i64, align 8
  %5 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %6 = alloca %"struct.std::_Rb_tree_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)
  %8 = load i64, ptr %1, align 8, !tbaa !5
  %9 = add nsw i64 %8, -1
  store i64 %9, ptr %1, align 8, !tbaa !5
  %.not25 = icmp eq i64 %8, 0
  br i1 %.not25, label %._crit_edge28, label %.lr.ph27

.lr.ph27:                                         ; preds = %0, %._crit_edge24
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = icmp sgt i64 %11, 0
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %18, %.lr.ph27
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %13 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  store ptr %13, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %14 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  store ptr %14, ptr %6, align 8
  %15 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(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 %15, label %.lr.ph23, label %._crit_edge24

.lr.ph:                                           ; preds = %.lr.ph27, %18
  %.019 = phi i64 [ %21, %18 ], [ 0, %.lr.ph27 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %4)
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %18 unwind label %24

18:                                               ; preds = %.lr.ph
  %19 = load i64, ptr %17, align 8, !tbaa !5
  %20 = add nsw i64 %19, 1
  store i64 %20, ptr %17, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %21 = add nuw nsw i64 %.019, 1
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = icmp slt i64 %21, %22
  br i1 %23, label %.lr.ph, label %._crit_edge, !llvm.loop !9

24:                                               ; preds = %.lr.ph
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, 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 } %25

._crit_edge24:                                    ; preds = %.lr.ph23, %._crit_edge
  %.018.lcssa = phi i64 [ 0, %._crit_edge ], [ %45, %.lr.ph23 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  %26 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.018.lcssa)
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %27 = load i64, ptr %1, align 8, !tbaa !5
  %28 = add nsw i64 %27, -1
  store i64 %28, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %27, 0
  br i1 %.not, label %._crit_edge28, label %.lr.ph27, !llvm.loop !11

.lr.ph23:                                         ; preds = %._crit_edge, %.lr.ph23
  %.01721 = phi i64 [ %46, %.lr.ph23 ], [ 0, %._crit_edge ]
  %.01820 = phi i64 [ %45, %.lr.ph23 ], [ 0, %._crit_edge ]
  %29 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  %30 = getelementptr inbounds i8, ptr %29, i64 8
  %31 = load i64, ptr %30, align 8, !tbaa !12
  %32 = icmp sgt i64 %31, 1
  %33 = select i1 %32, i64 %31, i64 0
  %34 = add nsw i64 %31, -1
  %35 = mul i64 %34, %.01721
  %36 = mul i64 %35, %33
  %37 = sdiv i64 %36, 2
  %38 = add nsw i64 %37, %.01820
  %39 = icmp sgt i64 %31, 2
  %40 = select i1 %39, i64 %31, i64 0
  %41 = add nsw i64 %31, -2
  %42 = mul i64 %41, %34
  %43 = mul i64 %42, %40
  %44 = sdiv i64 %43, 6
  %45 = add nsw i64 %38, %44
  %46 = add nsw i64 %31, %.01721
  %47 = call ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %5, i32 noundef 0) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %48 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  store ptr %48, ptr %6, align 8
  %49 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(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 %49, label %.lr.ph23, label %._crit_edge24, !llvm.loop !14

._crit_edge28:                                    ; preds = %._crit_edge24, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  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 @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 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 nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(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 @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 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 @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(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}
!12 = !{!13, !6, i64 8}
!13 = !{!"_ZTSSt4pairIKxxE", !6, i64 0, !6, i64 8}
!14 = distinct !{!14, !10}


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