; LLVM IR from eyangch/competitive-programming :: Codeforces/1546 (c)

; 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 }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@T = external dso_local global i64, align 8
@N = external dso_local global i64, align 8
@a = external dso_local global [100000 x i64], align 16
@occ = external dso_local global [2 x %"class.std::map"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = 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 norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i8, align 1
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %9 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %10 = alloca %"struct.std::_Rb_tree_iterator", align 8
  store i32 0, ptr %1, align 4
  %11 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %12 = getelementptr i8, ptr %11, i64 -24
  %13 = load i64, ptr %12, align 8
  %14 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %13
  %15 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %14, ptr noundef null)
  %16 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @T)
  br label %18

18:                                               ; preds = %115, %0
  %19 = load i64, ptr @T, align 8, !tbaa !8
  %20 = add nsw i64 %19, -1
  store i64 %20, ptr @T, align 8, !tbaa !8
  %21 = icmp ne i64 %19, 0
  br i1 %21, label %22, label %116

22:                                               ; preds = %18
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @N)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  store i64 0, ptr %2, align 8, !tbaa !8
  br label %24

24:                                               ; preds = %33, %22
  %25 = load i64, ptr %2, align 8, !tbaa !8
  %26 = load i64, ptr @N, align 8, !tbaa !8
  %27 = icmp slt i64 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %36

29:                                               ; preds = %24
  %30 = load i64, ptr %2, align 8, !tbaa !8
  %31 = getelementptr inbounds [100000 x i64], ptr @a, i64 0, i64 %30
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %31)
  br label %33

33:                                               ; preds = %29
  %34 = load i64, ptr %2, align 8, !tbaa !8
  %35 = add nsw i64 %34, 1
  store i64 %35, ptr %2, align 8, !tbaa !8
  br label %24, !llvm.loop !11

36:                                               ; preds = %28
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @occ) #6
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) getelementptr inbounds ([2 x %"class.std::map"], ptr @occ, i64 0, i64 1)) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  store i64 0, ptr %3, align 8, !tbaa !8
  br label %37

37:                                               ; preds = %51, %36
  %38 = load i64, ptr %3, align 8, !tbaa !8
  %39 = load i64, ptr @N, align 8, !tbaa !8
  %40 = icmp slt i64 %38, %39
  br i1 %40, label %42, label %41

41:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %54

42:                                               ; preds = %37
  %43 = load i64, ptr %3, align 8, !tbaa !8
  %44 = srem i64 %43, 2
  %45 = getelementptr inbounds [2 x %"class.std::map"], ptr @occ, i64 0, i64 %44
  %46 = load i64, ptr %3, align 8, !tbaa !8
  %47 = getelementptr inbounds [100000 x i64], ptr @a, i64 0, i64 %46
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %45, ptr noundef nonnull align 8 dereferenceable(8) %47)
  %49 = load i64, ptr %48, align 8, !tbaa !8
  %50 = add nsw i64 %49, 1
  store i64 %50, ptr %48, align 8, !tbaa !8
  br label %51

51:                                               ; preds = %42
  %52 = load i64, ptr %3, align 8, !tbaa !8
  %53 = add nsw i64 %52, 1
  store i64 %53, ptr %3, align 8, !tbaa !8
  br label %37, !llvm.loop !13

54:                                               ; preds = %41
  %55 = load i64, ptr @N, align 8, !tbaa !8
  %56 = getelementptr inbounds i64, ptr @a, i64 %55
  call void @_ZSt4sortIPxEvT_S1_(ptr noundef @a, ptr noundef %56)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  store i64 0, ptr %4, align 8, !tbaa !8
  br label %57

57:                                               ; preds = %71, %54
  %58 = load i64, ptr %4, align 8, !tbaa !8
  %59 = load i64, ptr @N, align 8, !tbaa !8
  %60 = icmp slt i64 %58, %59
  br i1 %60, label %62, label %61

61:                                               ; preds = %57
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  br label %74

62:                                               ; preds = %57
  %63 = load i64, ptr %4, align 8, !tbaa !8
  %64 = srem i64 %63, 2
  %65 = getelementptr inbounds [2 x %"class.std::map"], ptr @occ, i64 0, i64 %64
  %66 = load i64, ptr %4, align 8, !tbaa !8
  %67 = getelementptr inbounds [100000 x i64], ptr @a, i64 0, i64 %66
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %65, ptr noundef nonnull align 8 dereferenceable(8) %67)
  %69 = load i64, ptr %68, align 8, !tbaa !8
  %70 = add nsw i64 %69, -1
  store i64 %70, ptr %68, align 8, !tbaa !8
  br label %71

71:                                               ; preds = %62
  %72 = load i64, ptr %4, align 8, !tbaa !8
  %73 = add nsw i64 %72, 1
  store i64 %73, ptr %4, align 8, !tbaa !8
  br label %57, !llvm.loop !14

74:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  store i8 1, ptr %5, align 1, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store i64 0, ptr %6, align 8, !tbaa !8
  br label %75

75:                                               ; preds = %103, %74
  %76 = load i64, ptr %6, align 8, !tbaa !8
  %77 = icmp slt i64 %76, 2
  br i1 %77, label %79, label %78

78:                                               ; preds = %75
  store i32 13, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %106

79:                                               ; preds = %75
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %80 = load i64, ptr %6, align 8, !tbaa !8
  %81 = getelementptr inbounds [2 x %"class.std::map"], ptr @occ, i64 0, i64 %80
  %82 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %81) #6
  %83 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %8, i32 0, i32 0
  store ptr %82, ptr %83, align 8
  br label %84

84:                                               ; preds = %98, %79
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %85 = load i64, ptr %6, align 8, !tbaa !8
  %86 = getelementptr inbounds [2 x %"class.std::map"], ptr @occ, i64 0, i64 %85
  %87 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %86) #6
  %88 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %9, i32 0, i32 0
  store ptr %87, ptr %88, align 8
  %89 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br i1 %89, label %91, label %90

90:                                               ; preds = %84
  store i32 16, ptr %7, align 4
  br label %101

91:                                               ; preds = %84
  %92 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  %93 = getelementptr inbounds %"struct.std::pair", ptr %92, i32 0, i32 1
  %94 = load i64, ptr %93, align 8, !tbaa !17
  %95 = icmp ne i64 %94, 0
  br i1 %95, label %96, label %97

96:                                               ; preds = %91
  store i8 0, ptr %5, align 1, !tbaa !15
  store i32 16, ptr %7, align 4
  br label %101

97:                                               ; preds = %91
  br label %98

98:                                               ; preds = %97
  %99 = call ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %8, i32 noundef 0) #6
  %100 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %10, i32 0, i32 0
  store ptr %99, ptr %100, align 8
  br label %84, !llvm.loop !19

101:                                              ; preds = %96, %90
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %102

102:                                              ; preds = %101
  br label %103

103:                                              ; preds = %102
  %104 = load i64, ptr %6, align 8, !tbaa !8
  %105 = add nsw i64 %104, 1
  store i64 %105, ptr %6, align 8, !tbaa !8
  br label %75, !llvm.loop !20

106:                                              ; preds = %78
  %107 = load i8, ptr %5, align 1, !tbaa !15, !range !21, !noundef !22
  %108 = trunc i8 %107 to i1
  br i1 %108, label %109, label %112

109:                                              ; preds = %106
  %110 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %110, i8 noundef signext 10)
  br label %115

112:                                              ; preds = %106
  %113 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
  %114 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %113, i8 noundef signext 10)
  br label %115

115:                                              ; preds = %112, %109
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  br label %18, !llvm.loop !23

116:                                              ; preds = %18
  %117 = load i32, ptr %1, align 4
  ret i32 %117
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #1 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; 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)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPxEvT_S1_(ptr noundef, ptr noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 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)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress 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 #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 = { inlinehint 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 #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = !{!16, !16, i64 0}
!16 = !{!"bool", !10, i64 0}
!17 = !{!18, !9, i64 8}
!18 = !{!"_ZTSSt4pairIKxxE", !9, i64 0, !9, i64 8}
!19 = distinct !{!19, !12}
!20 = distinct !{!20, !12}
!21 = !{i8 0, i8 2}
!22 = !{}
!23 = distinct !{!23, !12}


; 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 }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"struct.std::_Rb_tree_iterator" = type { ptr }

@T = external dso_local global i64, align 8
@N = external dso_local global i64, align 8
@a = external dso_local global [100000 x i64], align 16
@occ = external dso_local global [2 x %"class.std::map"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = 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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %2 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %3 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %4 = getelementptr i8, ptr %3, i64 -24
  %5 = load i64, ptr %4, align 8
  %6 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %5
  %7 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %6, ptr noundef null)
  %8 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %9 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @T)
  %10 = load i64, ptr @T, align 8, !tbaa !8
  %11 = add nsw i64 %10, -1
  store i64 %11, ptr @T, align 8, !tbaa !8
  %.not39 = icmp eq i64 %10, 0
  br i1 %.not39, label %._crit_edge42, label %.lr.ph41

.lr.ph41:                                         ; preds = %0, %64
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @N)
  %13 = load i64, ptr @N, align 8, !tbaa !8
  %14 = icmp sgt i64 %13, 0
  br i1 %14, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph41
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @occ) #6
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) getelementptr inbounds (i8, ptr @occ, i64 48)) #6
  %15 = load i64, ptr @N, align 8, !tbaa !8
  %16 = icmp sgt i64 %15, 0
  br i1 %16, label %.lr.ph26, label %._crit_edge27

.lr.ph:                                           ; preds = %.lr.ph41, %.lr.ph
  %.023 = phi i64 [ %19, %.lr.ph ], [ 0, %.lr.ph41 ]
  %17 = getelementptr inbounds [100000 x i64], ptr @a, i64 0, i64 %.023
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %17)
  %19 = add nuw nsw i64 %.023, 1
  %20 = load i64, ptr @N, align 8, !tbaa !8
  %21 = icmp slt i64 %19, %20
  br i1 %21, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge27:                                    ; preds = %.lr.ph26, %._crit_edge
  %.lcssa = phi i64 [ %15, %._crit_edge ], [ %32, %.lr.ph26 ]
  %22 = getelementptr inbounds i64, ptr @a, i64 %.lcssa
  call void @_ZSt4sortIPxEvT_S1_(ptr noundef nonnull @a, ptr noundef nonnull %22)
  %23 = load i64, ptr @N, align 8, !tbaa !8
  %24 = icmp sgt i64 %23, 0
  br i1 %24, label %.lr.ph30, label %.preheader

.lr.ph26:                                         ; preds = %._crit_edge, %.lr.ph26
  %.02024 = phi i64 [ %31, %.lr.ph26 ], [ 0, %._crit_edge ]
  %25 = and i64 %.02024, 1
  %26 = getelementptr inbounds [2 x %"class.std::map"], ptr @occ, i64 0, i64 %25
  %27 = getelementptr inbounds [100000 x i64], ptr @a, i64 0, i64 %.02024
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %26, ptr noundef nonnull align 8 dereferenceable(8) %27)
  %29 = load i64, ptr %28, align 8, !tbaa !8
  %30 = add nsw i64 %29, 1
  store i64 %30, ptr %28, align 8, !tbaa !8
  %31 = add nuw nsw i64 %.02024, 1
  %32 = load i64, ptr @N, align 8, !tbaa !8
  %33 = icmp slt i64 %31, %32
  br i1 %33, label %.lr.ph26, label %._crit_edge27, !llvm.loop !13

.preheader:                                       ; preds = %.lr.ph30, %._crit_edge27
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %34 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @occ) #6
  store ptr %34, ptr %1, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %35 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @occ) #6
  store ptr %35, ptr %2, align 8
  %36 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br i1 %36, label %.lr.ph32, label %._crit_edge33

.lr.ph30:                                         ; preds = %._crit_edge27, %.lr.ph30
  %.01928 = phi i64 [ %43, %.lr.ph30 ], [ 0, %._crit_edge27 ]
  %37 = and i64 %.01928, 1
  %38 = getelementptr inbounds [2 x %"class.std::map"], ptr @occ, i64 0, i64 %37
  %39 = getelementptr inbounds [100000 x i64], ptr @a, i64 0, i64 %.01928
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %38, ptr noundef nonnull align 8 dereferenceable(8) %39)
  %41 = load i64, ptr %40, align 8, !tbaa !8
  %42 = add nsw i64 %41, -1
  store i64 %42, ptr %40, align 8, !tbaa !8
  %43 = add nuw nsw i64 %.01928, 1
  %44 = load i64, ptr @N, align 8, !tbaa !8
  %45 = icmp slt i64 %43, %44
  br i1 %45, label %.lr.ph30, label %.preheader, !llvm.loop !14

.lr.ph32:                                         ; preds = %.preheader, %49
  %46 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #6
  %47 = getelementptr inbounds i8, ptr %46, i64 8
  %48 = load i64, ptr %47, align 8, !tbaa !15
  %.not22 = icmp eq i64 %48, 0
  br i1 %.not22, label %49, label %._crit_edge33

49:                                               ; preds = %.lr.ph32
  %50 = call ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef 0) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %51 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @occ) #6
  store ptr %51, ptr %2, align 8
  %52 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br i1 %52, label %.lr.ph32, label %._crit_edge33, !llvm.loop !17

._crit_edge33:                                    ; preds = %49, %.lr.ph32, %.preheader
  %.1 = phi i1 [ true, %.preheader ], [ %.not22, %.lr.ph32 ], [ %.not22, %49 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %53 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) getelementptr inbounds (i8, ptr @occ, i64 48)) #6
  store ptr %53, ptr %1, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %54 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) getelementptr inbounds (i8, ptr @occ, i64 48)) #6
  store ptr %54, ptr %2, align 8
  %55 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br i1 %55, label %.lr.ph32.1, label %._crit_edge33.1

.lr.ph32.1:                                       ; preds = %._crit_edge33, %59
  %56 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #6
  %57 = getelementptr inbounds i8, ptr %56, i64 8
  %58 = load i64, ptr %57, align 8, !tbaa !15
  %.not22.1 = icmp eq i64 %58, 0
  br i1 %.not22.1, label %59, label %._crit_edge33.1.thread

._crit_edge33.1.thread:                           ; preds = %.lr.ph32.1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  br label %63

59:                                               ; preds = %.lr.ph32.1
  %60 = call ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef 0) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %61 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) getelementptr inbounds (i8, ptr @occ, i64 48)) #6
  store ptr %61, ptr %2, align 8
  %62 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br i1 %62, label %.lr.ph32.1, label %._crit_edge33.1, !llvm.loop !17

._crit_edge33.1:                                  ; preds = %59, %._crit_edge33
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  br i1 %.1, label %64, label %63

63:                                               ; preds = %._crit_edge33.1.thread, %._crit_edge33.1
  br label %64

64:                                               ; preds = %._crit_edge33.1, %63
  %.str.2.sink = phi ptr [ @.str.2, %63 ], [ @.str, %._crit_edge33.1 ]
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %.str.2.sink)
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %65, i8 noundef signext 10)
  %67 = load i64, ptr @T, align 8, !tbaa !8
  %68 = add nsw i64 %67, -1
  store i64 %68, ptr @T, align 8, !tbaa !8
  %.not = icmp eq i64 %67, 0
  br i1 %.not, label %._crit_edge42, label %.lr.ph41, !llvm.loop !18

._crit_edge42:                                    ; preds = %64, %0
  ret i32 0
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #1 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; 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 #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPxEvT_S1_(ptr noundef, ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 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 #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 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 #1 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 #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress 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 #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { inlinehint 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 #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = !{!16, !9, i64 8}
!16 = !{!"_ZTSSt4pairIKxxE", !9, i64 0, !9, i64 8}
!17 = distinct !{!17, !12}
!18 = distinct !{!18, !12}


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