; LLVM IR from eyangch/competitive-programming :: Codeforces/1497 (b)

; 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::multiset" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<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 }
%"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_const_iterator" = type { ptr }

@T = external dso_local global i32, align 4
@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@a = external dso_local global %"class.std::multiset", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %16 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %17 = getelementptr i8, ptr %16, i64 -24
  %18 = load i64, ptr %17, align 8
  %19 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %18
  %20 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %19, ptr noundef null)
  %21 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @T)
  br label %23

23:                                               ; preds = %98, %0
  %24 = load i32, ptr @T, align 4, !tbaa !8
  %25 = add nsw i32 %24, -1
  store i32 %25, ptr @T, align 4, !tbaa !8
  %26 = icmp ne i32 %24, 0
  br i1 %26, label %27, label %102

27:                                               ; preds = %23
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @N)
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 4 dereferenceable(4) @M)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !8
  br label %30

30:                                               ; preds = %42, %27
  %31 = load i32, ptr %2, align 4, !tbaa !8
  %32 = load i32, ptr @N, align 4, !tbaa !8
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %35, label %34

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %45

35:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %36 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  %37 = load i32, ptr %3, align 4, !tbaa !8
  %38 = load i32, ptr @M, align 4, !tbaa !8
  %39 = srem i32 %37, %38
  store i32 %39, ptr %4, align 4, !tbaa !8
  %40 = call ptr @_ZNSt8multisetIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %41 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %5, i32 0, i32 0
  store ptr %40, ptr %41, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %42

42:                                               ; preds = %35
  %43 = load i32, ptr %2, align 4, !tbaa !8
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %2, align 4, !tbaa !8
  br label %30, !llvm.loop !11

45:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  store i32 0, ptr %6, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !8
  %46 = call ptr @_ZNSt8multisetIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %47 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %7, i32 0, i32 0
  store ptr %46, ptr %47, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #7
  %48 = call ptr @_ZNKSt8multisetIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @a) #7
  %49 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %9, i32 0, i32 0
  store ptr %48, ptr %49, align 8
  %50 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br i1 %50, label %51, label %54

51:                                               ; preds = %45
  %52 = load i32, ptr %6, align 4, !tbaa !8
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %6, align 4, !tbaa !8
  br label %54

54:                                               ; preds = %51, %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  store i32 0, ptr %10, align 4, !tbaa !8
  %55 = call noundef i64 @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %10)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 1, ptr %11, align 4, !tbaa !8
  br label %56

56:                                               ; preds = %95, %54
  %57 = load i32, ptr %11, align 4, !tbaa !8
  %58 = load i32, ptr @M, align 4, !tbaa !8
  %59 = icmp slt i32 %57, %58
  br i1 %59, label %61, label %60

60:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %98

61:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %62 = call noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %63 = trunc i64 %62 to i32
  store i32 %63, ptr %12, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  %64 = load i32, ptr @M, align 4, !tbaa !8
  %65 = load i32, ptr %11, align 4, !tbaa !8
  %66 = sub nsw i32 %64, %65
  store i32 %66, ptr %14, align 4, !tbaa !8
  %67 = call noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %14)
  %68 = trunc i64 %67 to i32
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  store i32 %68, ptr %13, align 4, !tbaa !8
  %69 = load i32, ptr %12, align 4, !tbaa !8
  %70 = load i32, ptr %13, align 4, !tbaa !8
  %71 = icmp ne i32 %69, %70
  br i1 %71, label %72, label %80

72:                                               ; preds = %61
  %73 = load i32, ptr %12, align 4, !tbaa !8
  %74 = load i32, ptr %13, align 4, !tbaa !8
  %75 = sub nsw i32 %73, %74
  %76 = call i32 @llvm.abs.i32(i32 %75, i1 true)
  %77 = sub nsw i32 %76, 1
  %78 = load i32, ptr %6, align 4, !tbaa !8
  %79 = add nsw i32 %78, %77
  store i32 %79, ptr %6, align 4, !tbaa !8
  br label %80

80:                                               ; preds = %72, %61
  %81 = load i32, ptr %12, align 4, !tbaa !8
  %82 = icmp ne i32 %81, 0
  br i1 %82, label %86, label %83

83:                                               ; preds = %80
  %84 = load i32, ptr %13, align 4, !tbaa !8
  %85 = icmp ne i32 %84, 0
  br i1 %85, label %86, label %89

86:                                               ; preds = %83, %80
  %87 = load i32, ptr %6, align 4, !tbaa !8
  %88 = add nsw i32 %87, 1
  store i32 %88, ptr %6, align 4, !tbaa !8
  br label %89

89:                                               ; preds = %86, %83
  %90 = call noundef i64 @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %11)
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  %91 = load i32, ptr @M, align 4, !tbaa !8
  %92 = load i32, ptr %11, align 4, !tbaa !8
  %93 = sub nsw i32 %91, %92
  store i32 %93, ptr %15, align 4, !tbaa !8
  %94 = call noundef i64 @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %15)
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %95

95:                                               ; preds = %89
  %96 = load i32, ptr %11, align 4, !tbaa !8
  %97 = add nsw i32 %96, 1
  store i32 %97, ptr %11, align 4, !tbaa !8
  br label %56, !llvm.loop !13

98:                                               ; preds = %60
  %99 = load i32, ptr %6, align 4, !tbaa !8
  %100 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %99)
  %101 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %100, ptr noundef @.str)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %23, !llvm.loop !14

102:                                              ; preds = %23
  %103 = load i32, ptr %1, align 4
  ret i32 %103
}

; 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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt8multisetIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #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) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { 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 #7 = { 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 = !{!"int", !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}


; 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::multiset" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<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 }
%"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_const_iterator" = type { ptr }

@T = external dso_local global i32, align 4
@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@a = external dso_local global %"class.std::multiset", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %11 = getelementptr i8, ptr %10, i64 -24
  %12 = load i64, ptr %11, align 8
  %13 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %12
  %14 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %13, ptr noundef null)
  %15 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %16 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @T)
  %17 = load i32, ptr @T, align 4, !tbaa !8
  %18 = add nsw i32 %17, -1
  store i32 %18, ptr @T, align 4, !tbaa !8
  %.not24 = icmp eq i32 %17, 0
  br i1 %.not24, label %._crit_edge27, label %.lr.ph26

.lr.ph26:                                         ; preds = %0, %._crit_edge23
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @N)
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) @M)
  %21 = load i32, ptr @N, align 4, !tbaa !8
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph26
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  store i32 0, ptr %4, align 4, !tbaa !8
  %23 = call ptr @_ZNSt8multisetIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %4)
  store ptr %23, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %24 = call ptr @_ZNKSt8multisetIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @a) #7
  store ptr %24, ptr %5, align 8
  %25 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  %spec.select = zext i1 %25 to i32
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  store i32 0, ptr %6, align 4, !tbaa !8
  %26 = call noundef i64 @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store i32 1, ptr %7, align 4, !tbaa !8
  %27 = load i32, ptr @M, align 4, !tbaa !8
  %28 = icmp sgt i32 %27, 1
  br i1 %28, label %.lr.ph22, label %._crit_edge23

.lr.ph:                                           ; preds = %.lr.ph26, %.lr.ph
  %.019 = phi i32 [ %34, %.lr.ph ], [ 0, %.lr.ph26 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %30 = load i32, ptr %1, align 4, !tbaa !8
  %31 = load i32, ptr @M, align 4, !tbaa !8
  %32 = srem i32 %30, %31
  store i32 %32, ptr %2, align 4, !tbaa !8
  %33 = call ptr @_ZNSt8multisetIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  %34 = add nuw nsw i32 %.019, 1
  %35 = load i32, ptr @N, align 4, !tbaa !8
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge23:                                    ; preds = %53, %._crit_edge
  %.1.lcssa = phi i32 [ %spec.select, %._crit_edge ], [ %spec.select18, %53 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.1.lcssa)
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %37, ptr noundef nonnull @.str)
  %39 = load i32, ptr @T, align 4, !tbaa !8
  %40 = add nsw i32 %39, -1
  store i32 %40, ptr @T, align 4, !tbaa !8
  %.not = icmp eq i32 %39, 0
  br i1 %.not, label %._crit_edge27, label %.lr.ph26, !llvm.loop !13

.lr.ph22:                                         ; preds = %._crit_edge, %53
  %.120 = phi i32 [ %spec.select18, %53 ], [ %spec.select, %._crit_edge ]
  %41 = call noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %42 = trunc i64 %41 to i32
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  %43 = load i32, ptr @M, align 4, !tbaa !8
  %44 = load i32, ptr %7, align 4, !tbaa !8
  %45 = sub nsw i32 %43, %44
  store i32 %45, ptr %8, align 4, !tbaa !8
  %46 = call noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %47 = trunc i64 %46 to i32
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  %.not17 = icmp eq i32 %42, %47
  br i1 %.not17, label %53, label %48

48:                                               ; preds = %.lr.ph22
  %49 = sub nsw i32 %42, %47
  %50 = call i32 @llvm.abs.i32(i32 %49, i1 true)
  %51 = add i32 %.120, -1
  %52 = add i32 %51, %50
  br label %53

53:                                               ; preds = %48, %.lr.ph22
  %.2 = phi i32 [ %52, %48 ], [ %.120, %.lr.ph22 ]
  %54 = or i32 %47, %42
  %or.cond.not = icmp ne i32 %54, 0
  %55 = zext i1 %or.cond.not to i32
  %spec.select18 = add nsw i32 %.2, %55
  %56 = call noundef i64 @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %57 = load i32, ptr @M, align 4, !tbaa !8
  %58 = load i32, ptr %7, align 4, !tbaa !8
  %59 = sub nsw i32 %57, %58
  store i32 %59, ptr %9, align 4, !tbaa !8
  %60 = call noundef i64 @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) @a, ptr noundef nonnull align 4 dereferenceable(4) %9)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  %61 = load i32, ptr %7, align 4, !tbaa !8
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %7, align 4, !tbaa !8
  %63 = load i32, ptr @M, align 4, !tbaa !8
  %64 = icmp slt i32 %62, %63
  br i1 %64, label %.lr.ph22, label %._crit_edge23, !llvm.loop !14

._crit_edge27:                                    ; preds = %._crit_edge23, %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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) 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) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt8multisetIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #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 #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #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 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { 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 #7 = { 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 = !{!"int", !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}


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