; LLVM IR from xirc/cp-algorithm :: codeforces/1427/1427A (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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_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 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5solveiRSt6vectorIiSaIiEE(i32 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 %"class.std::vector", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i8, align 1
  %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 24, ptr %4) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #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 %7) #6
  store i32 0, ptr %7, align 4, !tbaa !8
  br label %26

26:                                               ; preds = %116, %25
  %27 = load i32, ptr %7, 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 %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %121

31:                                               ; preds = %0
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %5, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %6, align 4
  br label %123

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 %46

37:                                               ; preds = %35
  %38 = load i32, ptr %3, align 4, !tbaa !8
  %39 = sext i32 %38 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %39, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %40 unwind label %50

40:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !8
  br label %41

41:                                               ; preds = %60, %40
  %42 = load i32, ptr %10, align 4, !tbaa !8
  %43 = load i32, ptr %3, align 4, !tbaa !8
  %44 = icmp slt i32 %42, %43
  br i1 %44, label %54, label %45

45:                                               ; preds = %41
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %67

46:                                               ; preds = %35
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %5, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %6, align 4
  br label %120

50:                                               ; preds = %37
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %5, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %120

54:                                               ; preds = %41
  %55 = load i32, ptr %10, align 4, !tbaa !8
  %56 = sext i32 %55 to i64
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %56) #6
  %58 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %57)
          to label %59 unwind label %63

59:                                               ; preds = %54
  br label %60

60:                                               ; preds = %59
  %61 = load i32, ptr %10, align 4, !tbaa !8
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %10, align 4, !tbaa !8
  br label %41, !llvm.loop !11

63:                                               ; preds = %54
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %5, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %120

67:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #6
  %68 = load i32, ptr %3, align 4, !tbaa !8
  %69 = invoke noundef zeroext i1 @_Z5solveiRSt6vectorIiSaIiEE(i32 noundef %68, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %70 unwind label %88

70:                                               ; preds = %67
  %71 = zext i1 %69 to i8
  store i8 %71, ptr %11, align 1, !tbaa !13
  %72 = load i8, ptr %11, align 1, !tbaa !13, !range !15, !noundef !16
  %73 = trunc i8 %72 to i1
  %74 = zext i1 %73 to i64
  %75 = select i1 %73, ptr @.str, ptr @.str.1
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef %75)
          to label %77 unwind label %88

77:                                               ; preds = %70
  %78 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %76, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %79 unwind label %88

79:                                               ; preds = %77
  %80 = load i8, ptr %11, align 1, !tbaa !13, !range !15, !noundef !16
  %81 = trunc i8 %80 to i1
  br i1 %81, label %82, label %115

82:                                               ; preds = %79
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !8
  br label %83

83:                                               ; preds = %109, %82
  %84 = load i32, ptr %12, align 4, !tbaa !8
  %85 = load i32, ptr %3, align 4, !tbaa !8
  %86 = icmp slt i32 %84, %85
  br i1 %86, label %92, label %87

87:                                               ; preds = %83
  store i32 8, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %112

88:                                               ; preds = %112, %77, %70, %67
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %5, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %6, align 4
  br label %119

92:                                               ; preds = %83
  %93 = load i32, ptr %12, align 4, !tbaa !8
  %94 = icmp sgt i32 %93, 0
  br i1 %94, label %95, label %102

95:                                               ; preds = %92
  %96 = 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 %97 unwind label %98

97:                                               ; preds = %95
  br label %102

98:                                               ; preds = %102, %95
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %5, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %119

102:                                              ; preds = %97, %92
  %103 = load i32, ptr %12, align 4, !tbaa !8
  %104 = sext i32 %103 to i64
  %105 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %104) #6
  %106 = load i32, ptr %105, align 4, !tbaa !8
  %107 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %106)
          to label %108 unwind label %98

108:                                              ; preds = %102
  br label %109

109:                                              ; preds = %108
  %110 = load i32, ptr %12, align 4, !tbaa !8
  %111 = add nsw i32 %110, 1
  store i32 %111, ptr %12, align 4, !tbaa !8
  br label %83, !llvm.loop !17

112:                                              ; preds = %87
  %113 = 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 %114 unwind label %88

114:                                              ; preds = %112
  br label %115

115:                                              ; preds = %114, %79
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  br label %116

116:                                              ; preds = %115
  %117 = load i32, ptr %7, align 4, !tbaa !8
  %118 = add nsw i32 %117, 1
  store i32 %118, ptr %7, align 4, !tbaa !8
  br label %26, !llvm.loop !18

119:                                              ; preds = %98, %88
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  br label %120

120:                                              ; preds = %119, %63, %50, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %123

121:                                              ; preds = %30
  store i32 0, ptr %1, align 4
  store i32 1, ptr %8, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, 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
  %122 = load i32, ptr %1, align 4
  ret i32 %122

123:                                              ; preds = %120, %31
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, 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 %124

124:                                              ; preds = %123
  %125 = load ptr, ptr %5, align 8
  %126 = load i32, ptr %6, align 4
  %127 = insertvalue { ptr, i32 } poison, ptr %125, 0
  %128 = insertvalue { ptr, i32 } %127, i32 %126, 1
  resume { ptr, i32 } %128
}

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 @_ZNSt6vectorIiSaIiEEC2Ev(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 dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(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 @_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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !10, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !12}
!18 = distinct !{!18, !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::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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_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 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5solveiRSt6vectorIiSaIiEE(i32 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 %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %6 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %7 = getelementptr i8, ptr %6, i64 -24
  %8 = load i64, ptr %7, align 8
  %9 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %8
  %10 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %9, ptr noundef null)
  %11 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %12 = getelementptr i8, ptr %11, i64 -24
  %13 = load i64, ptr %12, align 8
  %14 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %13
  %15 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %14, 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 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %16 = 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 %.preheader24 unwind label %19

.preheader24:                                     ; preds = %0
  %17 = load i32, ptr %1, align 4, !tbaa !8
  %18 = icmp sgt i32 %17, 0
  br i1 %18, label %.lr.ph31, label %._crit_edge32

._crit_edge32:                                    ; preds = %67, %.preheader24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, 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

19:                                               ; preds = %0
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %71

.lr.ph31:                                         ; preds = %.preheader24, %67
  %.01430 = phi i32 [ %68, %67 ], [ 0, %.preheader24 ]
  %21 = 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 %22 unwind label %29

22:                                               ; preds = %.lr.ph31
  %23 = load i32, ptr %2, align 4, !tbaa !8
  %24 = sext i32 %23 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 0, ptr %4, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %24, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %25 unwind label %31

25:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %26 = load i32, ptr %2, align 4, !tbaa !8
  %27 = icmp sgt i32 %26, 0
  br i1 %27, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %35, %25
  %.lcssa = phi i32 [ %26, %25 ], [ %36, %35 ]
  %28 = invoke noundef zeroext i1 @_Z5solveiRSt6vectorIiSaIiEE(i32 noundef %.lcssa, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %41 unwind label %56

29:                                               ; preds = %.lr.ph31
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %71

31:                                               ; preds = %22
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %71

.lr.ph:                                           ; preds = %25, %35
  %indvars.iv = phi i64 [ %indvars.iv.next, %35 ], [ 0, %25 ]
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #6
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %33)
          to label %35 unwind label %39

35:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %36 = load i32, ptr %2, align 4, !tbaa !8
  %37 = sext i32 %36 to i64
  %38 = icmp slt i64 %indvars.iv.next, %37
  br i1 %38, label %.lr.ph, label %._crit_edge, !llvm.loop !11

39:                                               ; preds = %.lr.ph
  %40 = landingpad { ptr, i32 }
          cleanup
  br label %71

41:                                               ; preds = %._crit_edge
  %42 = select i1 %28, ptr @.str, ptr @.str.1
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %42)
          to label %44 unwind label %56

44:                                               ; preds = %41
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %43, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %46 unwind label %56

46:                                               ; preds = %44
  br i1 %28, label %.preheader, label %67

.preheader:                                       ; preds = %46
  %47 = load i32, ptr %2, align 4, !tbaa !8
  %48 = icmp sgt i32 %47, 0
  br i1 %48, label %.lr.ph28.preheader, label %._crit_edge29

.lr.ph28.preheader:                               ; preds = %.preheader
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %50 = load i32, ptr %49, align 4, !tbaa !8
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %50)
          to label %52 unwind label %.loopexit.split-lp

52:                                               ; preds = %.lr.ph28.preheader
  %53 = load i32, ptr %2, align 4, !tbaa !8
  %54 = icmp sgt i32 %53, 1
  br i1 %54, label %.lr.ph28.peel.next, label %._crit_edge29

._crit_edge29:                                    ; preds = %63, %52, %.preheader
  %55 = 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 %67 unwind label %56

56:                                               ; preds = %._crit_edge29, %44, %41, %._crit_edge
  %57 = landingpad { ptr, i32 }
          cleanup
  br label %71

.lr.ph28.peel.next:                               ; preds = %52, %63
  %indvars.iv35 = phi i64 [ %indvars.iv.next36, %63 ], [ 1, %52 ]
  %58 = 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 %59 unwind label %.loopexit

.loopexit:                                        ; preds = %.lr.ph28.peel.next, %59
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %71

.loopexit.split-lp:                               ; preds = %.lr.ph28.preheader
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %71

59:                                               ; preds = %.lr.ph28.peel.next
  %60 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv35) #6
  %61 = load i32, ptr %60, align 4, !tbaa !8
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %61)
          to label %63 unwind label %.loopexit

63:                                               ; preds = %59
  %indvars.iv.next36 = add nuw nsw i64 %indvars.iv35, 1
  %64 = load i32, ptr %2, align 4, !tbaa !8
  %65 = sext i32 %64 to i64
  %66 = icmp slt i64 %indvars.iv.next36, %65
  br i1 %66, label %.lr.ph28.peel.next, label %._crit_edge29, !llvm.loop !13

67:                                               ; preds = %._crit_edge29, %46
  %68 = add nuw nsw i32 %.01430, 1
  %69 = load i32, ptr %1, align 4, !tbaa !8
  %70 = icmp slt i32 %68, %69
  br i1 %70, label %.lr.ph31, label %._crit_edge32, !llvm.loop !15

71:                                               ; preds = %.loopexit, %.loopexit.split-lp, %29, %31, %39, %56, %19
  %.pn21.pn = phi { ptr, i32 } [ %20, %19 ], [ %40, %39 ], [ %32, %31 ], [ %30, %29 ], [ %57, %56 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, 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 } %.pn21.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 @_ZNSt6vectorIiSaIiEEC2Ev(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 dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(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 @_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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12, !14}
!14 = !{!"llvm.loop.peeled.count", i32 1}
!15 = distinct !{!15, !12}


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