; LLVM IR from xirc/cp-algorithm :: codeforces/1392/1392B (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::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" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solveixRSt6vectorIxSaIxEE(i32 noundef, i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %13 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %14 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %16
  %18 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  %19 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %20 = getelementptr i8, ptr %19, i64 -24
  %21 = load i64, ptr %20, align 8
  %22 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %21
  %23 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %22, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %25 unwind label %31

25:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !8
  br label %26

26:                                               ; preds = %101, %25
  %27 = load i32, ptr %8, align 4, !tbaa !8
  %28 = load i32, ptr %2, align 4, !tbaa !8
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %35, label %30

30:                                               ; preds = %26
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %105

31:                                               ; preds = %0
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %6, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %7, align 4
  br label %107

35:                                               ; preds = %26
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %37 unwind label %48

37:                                               ; preds = %35
  %38 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %36, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %39 unwind label %48

39:                                               ; preds = %37
  %40 = load i32, ptr %3, align 4, !tbaa !8
  %41 = sext i32 %40 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !11
  invoke void @_ZNSt6vectorIxSaIxEE6assignEmRKx(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %41, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %42 unwind label %52

42:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !8
  br label %43

43:                                               ; preds = %62, %42
  %44 = load i32, ptr %11, align 4, !tbaa !8
  %45 = load i32, ptr %3, align 4, !tbaa !8
  %46 = icmp slt i32 %44, %45
  br i1 %46, label %56, label %47

47:                                               ; preds = %43
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %69

48:                                               ; preds = %98, %69, %37, %35
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %6, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %7, align 4
  br label %104

52:                                               ; preds = %39
  %53 = landingpad { ptr, i32 }
          cleanup
  %54 = extractvalue { ptr, i32 } %53, 0
  store ptr %54, ptr %6, align 8
  %55 = extractvalue { ptr, i32 } %53, 1
  store i32 %55, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %104

56:                                               ; preds = %43
  %57 = load i32, ptr %11, align 4, !tbaa !8
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %58) #6
  %60 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %59)
          to label %61 unwind label %65

61:                                               ; preds = %56
  br label %62

62:                                               ; preds = %61
  %63 = load i32, ptr %11, align 4, !tbaa !8
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %11, align 4, !tbaa !8
  br label %43, !llvm.loop !13

65:                                               ; preds = %56
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %6, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %104

69:                                               ; preds = %47
  %70 = load i32, ptr %3, align 4, !tbaa !8
  %71 = load i64, ptr %4, align 8, !tbaa !11
  invoke void @_Z5solveixRSt6vectorIxSaIxEE(i32 noundef %70, i64 noundef %71, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %72 unwind label %48

72:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !8
  br label %73

73:                                               ; preds = %95, %72
  %74 = load i32, ptr %12, align 4, !tbaa !8
  %75 = load i32, ptr %3, align 4, !tbaa !8
  %76 = icmp slt i32 %74, %75
  br i1 %76, label %78, label %77

77:                                               ; preds = %73
  store i32 8, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %98

78:                                               ; preds = %73
  %79 = load i32, ptr %12, align 4, !tbaa !8
  %80 = icmp sgt i32 %79, 0
  br i1 %80, label %81, label %88

81:                                               ; preds = %78
  %82 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
          to label %83 unwind label %84

83:                                               ; preds = %81
  br label %88

84:                                               ; preds = %88, %81
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %6, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %104

88:                                               ; preds = %83, %78
  %89 = load i32, ptr %12, align 4, !tbaa !8
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %90) #6
  %92 = load i64, ptr %91, align 8, !tbaa !11
  %93 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %92)
          to label %94 unwind label %84

94:                                               ; preds = %88
  br label %95

95:                                               ; preds = %94
  %96 = load i32, ptr %12, align 4, !tbaa !8
  %97 = add nsw i32 %96, 1
  store i32 %97, ptr %12, align 4, !tbaa !8
  br label %73, !llvm.loop !15

98:                                               ; preds = %77
  %99 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %100 unwind label %48

100:                                              ; preds = %98
  br label %101

101:                                              ; preds = %100
  %102 = load i32, ptr %8, align 4, !tbaa !8
  %103 = add nsw i32 %102, 1
  store i32 %103, ptr %8, align 4, !tbaa !8
  br label %26, !llvm.loop !16

104:                                              ; preds = %84, %65, %52, %48
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %107

105:                                              ; preds = %30
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %106 = load i32, ptr %1, align 4
  ret i32 %106

107:                                              ; preds = %104, %31
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %108

108:                                              ; preds = %107
  %109 = load ptr, ptr %6, align 8
  %110 = load i32, ptr %7, align 4
  %111 = insertvalue { ptr, i32 } poison, ptr %109, 0
  %112 = insertvalue { ptr, i32 } %111, i32 %110, 1
  resume { ptr, i32 } %112
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

declare i32 @__gxx_personality_v0(...)

; 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)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE6assignEmRKx(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

; 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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 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 #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 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}


; 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::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" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solveixRSt6vectorIxSaIxEE(i32 noundef, i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca i64, align 8
  %6 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %7 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %8 = getelementptr i8, ptr %7, i64 -24
  %9 = load i64, ptr %8, align 8
  %10 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %9
  %11 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %10, ptr noundef null)
  %12 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %14
  %16 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %.preheader19 unwind label %20

.preheader19:                                     ; preds = %0
  %18 = load i32, ptr %1, align 4, !tbaa !8
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph26, label %._crit_edge27

._crit_edge27:                                    ; preds = %62, %.preheader19
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

20:                                               ; preds = %0
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %66

.lr.ph26:                                         ; preds = %.preheader19, %62
  %.01225 = phi i32 [ %63, %62 ], [ 0, %.preheader19 ]
  %22 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %23 unwind label %40

23:                                               ; preds = %.lr.ph26
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %25 unwind label %40

25:                                               ; preds = %23
  %26 = load i32, ptr %2, align 4, !tbaa !8
  %27 = sext i32 %26 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  store i64 0, ptr %5, align 8, !tbaa !11
  invoke void @_ZNSt6vectorIxSaIxEE6assignEmRKx(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %27, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %28 unwind label %42

28:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %29 = load i32, ptr %2, align 4, !tbaa !8
  %30 = icmp sgt i32 %29, 0
  br i1 %30, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %46, %28
  %.lcssa = phi i32 [ %29, %28 ], [ %47, %46 ]
  %31 = load i64, ptr %3, align 8, !tbaa !11
  invoke void @_Z5solveixRSt6vectorIxSaIxEE(i32 noundef %.lcssa, i64 noundef %31, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %.preheader unwind label %40

.preheader:                                       ; preds = %._crit_edge
  %32 = load i32, ptr %2, align 4, !tbaa !8
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %.lr.ph23.preheader, label %._crit_edge24

.lr.ph23.preheader:                               ; preds = %.preheader
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #6
  %35 = load i64, ptr %34, align 8, !tbaa !11
  %36 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %35)
          to label %37 unwind label %.loopexit.split-lp

37:                                               ; preds = %.lr.ph23.preheader
  %38 = load i32, ptr %2, align 4, !tbaa !8
  %39 = icmp sgt i32 %38, 1
  br i1 %39, label %.lr.ph23.peel.next, label %._crit_edge24

40:                                               ; preds = %._crit_edge24, %._crit_edge, %23, %.lr.ph26
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %66

42:                                               ; preds = %25
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %66

.lr.ph:                                           ; preds = %28, %46
  %indvars.iv = phi i64 [ %indvars.iv.next, %46 ], [ 0, %28 ]
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #6
  %45 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %44)
          to label %46 unwind label %50

46:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %47 = load i32, ptr %2, align 4, !tbaa !8
  %48 = sext i32 %47 to i64
  %49 = icmp slt i64 %indvars.iv.next, %48
  br i1 %49, label %.lr.ph, label %._crit_edge, !llvm.loop !13

50:                                               ; preds = %.lr.ph
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %66

._crit_edge24:                                    ; preds = %58, %37, %.preheader
  %52 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %62 unwind label %40

.lr.ph23.peel.next:                               ; preds = %37, %58
  %indvars.iv30 = phi i64 [ %indvars.iv.next31, %58 ], [ 1, %37 ]
  %53 = invoke 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)
          to label %54 unwind label %.loopexit

.loopexit:                                        ; preds = %.lr.ph23.peel.next, %54
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %66

.loopexit.split-lp:                               ; preds = %.lr.ph23.preheader
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %66

54:                                               ; preds = %.lr.ph23.peel.next
  %55 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv30) #6
  %56 = load i64, ptr %55, align 8, !tbaa !11
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %56)
          to label %58 unwind label %.loopexit

58:                                               ; preds = %54
  %indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
  %59 = load i32, ptr %2, align 4, !tbaa !8
  %60 = sext i32 %59 to i64
  %61 = icmp slt i64 %indvars.iv.next31, %60
  br i1 %61, label %.lr.ph23.peel.next, label %._crit_edge24, !llvm.loop !15

62:                                               ; preds = %._crit_edge24
  %63 = add nuw nsw i32 %.01225, 1
  %64 = load i32, ptr %1, align 4, !tbaa !8
  %65 = icmp slt i32 %63, %64
  br i1 %65, label %.lr.ph26, label %._crit_edge27, !llvm.loop !17

66:                                               ; preds = %.loopexit, %.loopexit.split-lp, %40, %42, %50, %20
  %.pn.pn = phi { ptr, i32 } [ %21, %20 ], [ %51, %50 ], [ %41, %40 ], [ %43, %42 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 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 #3

declare i32 @__gxx_personality_v0(...)

; 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 #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE6assignEmRKx(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

; 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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 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 #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 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14, !16}
!16 = !{!"llvm.loop.peeled.count", i32 1}
!17 = distinct !{!17, !14}


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