; LLVM IR from tangjz/acm-icpc :: lydsy (4236)

; 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<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::_Select1st<std::pair<const std::pair<int, int>, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::_Select1st<std::pair<const std::pair<int, int>, int>>, std::less<std::pair<int, int>>>::_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 { i32, i32 }

@str = external dso_local global ptr, align 8
@n = external dso_local global i32, align 4
@cnt = external dso_local global [3 x i32], align 4
@ans = external dso_local global i32, align 4
@Hash = external dso_local global %"class.std::map", align 8
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z3updRii(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 {
  %1 = alloca i32, align 4
  %2 = alloca %"struct.std::pair", align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair", align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca %"struct.std::pair", align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef @n)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 0, ptr %4, align 4, !tbaa !5
  %19 = call i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  store i64 %19, ptr %2, align 4
  %20 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @Hash, ptr noundef nonnull align 4 dereferenceable(8) %2)
  store i32 0, ptr %20, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %85, %0
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = load i32, ptr @n, align 4, !tbaa !5
  %24 = icmp sle i32 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %88

26:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #5
  %27 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %7)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %49, %26
  %29 = load i32, ptr %8, align 4, !tbaa !5
  %30 = icmp slt i32 %29, 3
  br i1 %30, label %32, label %31

31:                                               ; preds = %28
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %52

32:                                               ; preds = %28
  %33 = load i8, ptr %7, align 1, !tbaa !9
  %34 = sext i8 %33 to i32
  %35 = load ptr, ptr @str, align 8, !tbaa !10
  %36 = load i32, ptr %8, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds i8, ptr %35, i64 %37
  %39 = load i8, ptr %38, align 1, !tbaa !9
  %40 = sext i8 %39 to i32
  %41 = icmp eq i32 %34, %40
  br i1 %41, label %42, label %48

42:                                               ; preds = %32
  %43 = load i32, ptr %8, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [3 x i32], ptr @cnt, i64 0, i64 %44
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %45, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %42, %32
  br label %49

49:                                               ; preds = %48
  %50 = load i32, ptr %8, align 4, !tbaa !5
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %8, align 4, !tbaa !5
  br label %28, !llvm.loop !12

52:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  %53 = load i32, ptr getelementptr inbounds ([3 x i32], ptr @cnt, i64 0, i64 1), align 4, !tbaa !5
  %54 = load i32, ptr @cnt, align 4, !tbaa !5
  %55 = sub nsw i32 %53, %54
  store i32 %55, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  %56 = load i32, ptr getelementptr inbounds ([3 x i32], ptr @cnt, i64 0, i64 2), align 4, !tbaa !5
  %57 = load i32, ptr getelementptr inbounds ([3 x i32], ptr @cnt, i64 0, i64 1), align 4, !tbaa !5
  %58 = sub nsw i32 %56, %57
  store i32 %58, ptr %11, align 4, !tbaa !5
  %59 = call i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %11)
  store i64 %59, ptr %9, align 4
  %60 = call noundef i64 @_ZNKSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEE5countERS4_(ptr noundef nonnull align 8 dereferenceable(48) @Hash, ptr noundef nonnull align 4 dereferenceable(8) %9)
  %61 = icmp ne i64 %60, 0
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br i1 %61, label %62, label %74

62:                                               ; preds = %52
  %63 = load i32, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  %64 = load i32, ptr getelementptr inbounds ([3 x i32], ptr @cnt, i64 0, i64 1), align 4, !tbaa !5
  %65 = load i32, ptr @cnt, align 4, !tbaa !5
  %66 = sub nsw i32 %64, %65
  store i32 %66, ptr %13, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  %67 = load i32, ptr getelementptr inbounds ([3 x i32], ptr @cnt, i64 0, i64 2), align 4, !tbaa !5
  %68 = load i32, ptr getelementptr inbounds ([3 x i32], ptr @cnt, i64 0, i64 1), align 4, !tbaa !5
  %69 = sub nsw i32 %67, %68
  store i32 %69, ptr %14, align 4, !tbaa !5
  %70 = call i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %14)
  store i64 %70, ptr %12, align 4
  %71 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @Hash, ptr noundef nonnull align 4 dereferenceable(8) %12)
  %72 = load i32, ptr %71, align 4, !tbaa !5
  %73 = sub nsw i32 %63, %72
  call void @_Z3updRii(ptr noundef nonnull align 4 dereferenceable(4) @ans, i32 noundef %73)
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %84

74:                                               ; preds = %52
  %75 = load i32, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #5
  %76 = load i32, ptr getelementptr inbounds ([3 x i32], ptr @cnt, i64 0, i64 1), align 4, !tbaa !5
  %77 = load i32, ptr @cnt, align 4, !tbaa !5
  %78 = sub nsw i32 %76, %77
  store i32 %78, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #5
  %79 = load i32, ptr getelementptr inbounds ([3 x i32], ptr @cnt, i64 0, i64 2), align 4, !tbaa !5
  %80 = load i32, ptr getelementptr inbounds ([3 x i32], ptr @cnt, i64 0, i64 1), align 4, !tbaa !5
  %81 = sub nsw i32 %79, %80
  store i32 %81, ptr %17, align 4, !tbaa !5
  %82 = call i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %16, ptr noundef nonnull align 4 dereferenceable(4) %17)
  store i64 %82, ptr %15, align 4
  %83 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @Hash, ptr noundef nonnull align 4 dereferenceable(8) %15)
  store i32 %75, ptr %83, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  br label %84

84:                                               ; preds = %74, %62
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  br label %85

85:                                               ; preds = %84
  %86 = load i32, ptr %5, align 4, !tbaa !5
  %87 = add nsw i32 %86, 1
  store i32 %87, ptr %5, align 4, !tbaa !5
  br label %21, !llvm.loop !14

88:                                               ; preds = %25
  %89 = load i32, ptr @ans, align 4, !tbaa !5
  %90 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %89)
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEE5countERS4_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

declare i32 @printf(ptr noundef, ...) #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 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 #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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::_Select1st<std::pair<const std::pair<int, int>, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, int>, std::_Select1st<std::pair<const std::pair<int, int>, int>>, std::less<std::pair<int, int>>>::_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 { i32, i32 }

@str = external dso_local local_unnamed_addr global ptr, align 8
@n = external dso_local global i32, align 4
@cnt = external dso_local local_unnamed_addr global [3 x i32], align 4
@ans = external dso_local global i32, align 4
@Hash = external dso_local global %"class.std::map", align 8
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z3updRii(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = alloca %"struct.std::pair", align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i8, align 1
  %5 = alloca %"struct.std::pair", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull @n)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  store i32 0, ptr %3, align 4, !tbaa !5
  %15 = call i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %3)
  store i64 %15, ptr %1, align 8
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @Hash, ptr noundef nonnull align 4 dereferenceable(8) %1)
  store i32 0, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  %17 = load i32, ptr @n, align 4, !tbaa !5
  %.not11 = icmp slt i32 %17, 1
  br i1 %.not11, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %67, %0
  %18 = load i32, ptr @ans, align 4, !tbaa !5
  %19 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %18)
  ret i32 0

.lr.ph:                                           ; preds = %0, %67
  %.0812 = phi i32 [ %68, %67 ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %4)
  %21 = load i8, ptr %4, align 1, !tbaa !9
  %22 = load ptr, ptr @str, align 8, !tbaa !10
  %23 = load i8, ptr %22, align 1, !tbaa !9
  %24 = icmp eq i8 %21, %23
  br i1 %24, label %25, label %28

25:                                               ; preds = %.lr.ph
  %26 = load i32, ptr @cnt, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr @cnt, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %.lr.ph, %25
  %29 = getelementptr inbounds i8, ptr %22, i64 1
  %30 = load i8, ptr %29, align 1, !tbaa !9
  %31 = icmp eq i8 %21, %30
  br i1 %31, label %32, label %35

32:                                               ; preds = %28
  %33 = load i32, ptr getelementptr inbounds (i8, ptr @cnt, i64 4), align 4, !tbaa !5
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr getelementptr inbounds (i8, ptr @cnt, i64 4), align 4, !tbaa !5
  br label %35

35:                                               ; preds = %32, %28
  %36 = getelementptr inbounds i8, ptr %22, i64 2
  %37 = load i8, ptr %36, align 1, !tbaa !9
  %38 = icmp eq i8 %21, %37
  %.pre = load i32, ptr getelementptr inbounds (i8, ptr @cnt, i64 8), align 4, !tbaa !5
  br i1 %38, label %39, label %41

39:                                               ; preds = %35
  %40 = add nsw i32 %.pre, 1
  store i32 %40, ptr getelementptr inbounds (i8, ptr @cnt, i64 8), align 4, !tbaa !5
  br label %41

41:                                               ; preds = %39, %35
  %42 = phi i32 [ %40, %39 ], [ %.pre, %35 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #5
  %43 = load i32, ptr getelementptr inbounds (i8, ptr @cnt, i64 4), align 4, !tbaa !5
  %44 = load i32, ptr @cnt, align 4, !tbaa !5
  %45 = sub nsw i32 %43, %44
  store i32 %45, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #5
  %46 = sub nsw i32 %42, %43
  store i32 %46, ptr %7, align 4, !tbaa !5
  %47 = call i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  store i64 %47, ptr %5, align 8
  %48 = call noundef i64 @_ZNKSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEE5countERS4_(ptr noundef nonnull align 8 dereferenceable(48) @Hash, ptr noundef nonnull align 4 dereferenceable(8) %5)
  %.not9 = icmp eq i64 %48, 0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  br i1 %.not9, label %59, label %49

49:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #5
  %50 = load i32, ptr getelementptr inbounds (i8, ptr @cnt, i64 4), align 4, !tbaa !5
  %51 = load i32, ptr @cnt, align 4, !tbaa !5
  %52 = sub nsw i32 %50, %51
  store i32 %52, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #5
  %53 = load i32, ptr getelementptr inbounds (i8, ptr @cnt, i64 8), align 4, !tbaa !5
  %54 = sub nsw i32 %53, %50
  store i32 %54, ptr %10, align 4, !tbaa !5
  %55 = call i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
  store i64 %55, ptr %8, align 8
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @Hash, ptr noundef nonnull align 4 dereferenceable(8) %8)
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = sub nsw i32 %.0812, %57
  call void @_Z3updRii(ptr noundef nonnull align 4 dereferenceable(4) @ans, i32 noundef %58)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  br label %67

59:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #5
  %60 = load i32, ptr getelementptr inbounds (i8, ptr @cnt, i64 4), align 4, !tbaa !5
  %61 = load i32, ptr @cnt, align 4, !tbaa !5
  %62 = sub nsw i32 %60, %61
  store i32 %62, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %13) #5
  %63 = load i32, ptr getelementptr inbounds (i8, ptr @cnt, i64 8), align 4, !tbaa !5
  %64 = sub nsw i32 %63, %60
  store i32 %64, ptr %13, align 4, !tbaa !5
  %65 = call i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %13)
  store i64 %65, ptr %11, align 8
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @Hash, ptr noundef nonnull align 4 dereferenceable(8) %11)
  store i32 %.0812, ptr %66, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #5
  br label %67

67:                                               ; preds = %59, %49
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  %68 = add nuw nsw i32 %.0812, 1
  %69 = load i32, ptr @n, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.0812, %69
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !12
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEEixEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapISt4pairIiiEiSt4lessIS1_ESaIS0_IKS1_iEEE5countERS4_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #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 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 #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 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass