; LLVM IR from TLE-MEC/Hack-CP-DSA :: Codeforces/Kayaking/solution.ll (Z5solvev)

; 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 }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::vector", align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #6
  %17 = 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)
  %18 = load i32, ptr %1, align 4, !tbaa !5
  %19 = mul nsw i32 %18, 2
  store i32 %19, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #6
  %20 = load i32, ptr %1, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %22 unwind label %28

22:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %38, %22
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = load i32, ptr %1, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %32, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %45

28:                                               ; preds = %0
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %4, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %5, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #6
  br label %150

32:                                               ; preds = %23
  %33 = load i32, ptr %6, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %34) #6
  %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) %35)
          to label %37 unwind label %41

37:                                               ; preds = %32
  br label %38

38:                                               ; preds = %37
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %6, align 4, !tbaa !5
  br label %23, !llvm.loop !9

41:                                               ; preds = %32
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %4, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %149

45:                                               ; preds = %27
  %46 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %47 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %46, ptr %47, align 8
  %48 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %49 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %48, ptr %49, align 8
  %50 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  %51 = load ptr, ptr %50, align 8
  %52 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  %53 = load ptr, ptr %52, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %51, ptr %53)
          to label %54 unwind label %60

54:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 2147483647, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %55

55:                                               ; preds = %135, %54
  %56 = load i32, ptr %10, align 4, !tbaa !5
  %57 = load i32, ptr %1, align 4, !tbaa !5
  %58 = icmp slt i32 %56, %57
  br i1 %58, label %64, label %59

59:                                               ; preds = %55
  store i32 5, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %138

60:                                               ; preds = %45
  %61 = landingpad { ptr, i32 }
          cleanup
  %62 = extractvalue { ptr, i32 } %61, 0
  store ptr %62, ptr %4, align 8
  %63 = extractvalue { ptr, i32 } %61, 1
  store i32 %63, ptr %5, align 4
  br label %149

64:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  %65 = load i32, ptr %10, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %12, align 4, !tbaa !5
  br label %67

67:                                               ; preds = %126, %64
  %68 = load i32, ptr %12, align 4, !tbaa !5
  %69 = load i32, ptr %1, align 4, !tbaa !5
  %70 = icmp slt i32 %68, %69
  br i1 %70, label %72, label %71

71:                                               ; preds = %67
  store i32 8, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %134

72:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  store i32 0, ptr %14, align 4, !tbaa !5
  br label %73

73:                                               ; preds = %96, %72
  %74 = load i32, ptr %14, align 4, !tbaa !5
  %75 = load i32, ptr %1, align 4, !tbaa !5
  %76 = icmp slt i32 %74, %75
  br i1 %76, label %78, label %77

77:                                               ; preds = %73
  store i32 11, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %99

78:                                               ; preds = %73
  %79 = load i32, ptr %14, align 4, !tbaa !5
  %80 = load i32, ptr %10, align 4, !tbaa !5
  %81 = icmp ne i32 %79, %80
  br i1 %81, label %82, label %95

82:                                               ; preds = %78
  %83 = load i32, ptr %14, align 4, !tbaa !5
  %84 = load i32, ptr %12, align 4, !tbaa !5
  %85 = icmp ne i32 %83, %84
  br i1 %85, label %86, label %95

86:                                               ; preds = %82
  %87 = load i32, ptr %14, align 4, !tbaa !5
  %88 = sext i32 %87 to i64
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %88) #6
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 4 dereferenceable(4) %89)
          to label %90 unwind label %91

90:                                               ; preds = %86
  br label %95

91:                                               ; preds = %86
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %4, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %133

95:                                               ; preds = %90, %82, %78
  br label %96

96:                                               ; preds = %95
  %97 = load i32, ptr %14, align 4, !tbaa !5
  %98 = add nsw i32 %97, 1
  store i32 %98, ptr %14, align 4, !tbaa !5
  br label %73, !llvm.loop !11

99:                                               ; preds = %77
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 0, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  store i32 0, ptr %16, align 4, !tbaa !5
  br label %100

100:                                              ; preds = %119, %99
  %101 = load i32, ptr %16, align 4, !tbaa !5
  %102 = load i32, ptr %1, align 4, !tbaa !5
  %103 = sub nsw i32 %102, 2
  %104 = icmp slt i32 %101, %103
  br i1 %104, label %106, label %105

105:                                              ; preds = %100
  store i32 14, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %122

106:                                              ; preds = %100
  %107 = load i32, ptr %16, align 4, !tbaa !5
  %108 = add nsw i32 %107, 1
  %109 = sext i32 %108 to i64
  %110 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %109) #6
  %111 = load i32, ptr %110, align 4, !tbaa !5
  %112 = load i32, ptr %16, align 4, !tbaa !5
  %113 = sext i32 %112 to i64
  %114 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %113) #6
  %115 = load i32, ptr %114, align 4, !tbaa !5
  %116 = sub nsw i32 %111, %115
  %117 = load i32, ptr %15, align 4, !tbaa !5
  %118 = add nsw i32 %117, %116
  store i32 %118, ptr %15, align 4, !tbaa !5
  br label %119

119:                                              ; preds = %106
  %120 = load i32, ptr %16, align 4, !tbaa !5
  %121 = add nsw i32 %120, 2
  store i32 %121, ptr %16, align 4, !tbaa !5
  br label %100, !llvm.loop !12

122:                                              ; preds = %105
  %123 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %124 unwind label %129

124:                                              ; preds = %122
  %125 = load i32, ptr %123, align 4, !tbaa !5
  store i32 %125, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #6
  br label %126

126:                                              ; preds = %124
  %127 = load i32, ptr %12, align 4, !tbaa !5
  %128 = add nsw i32 %127, 1
  store i32 %128, ptr %12, align 4, !tbaa !5
  br label %67, !llvm.loop !13

129:                                              ; preds = %122
  %130 = landingpad { ptr, i32 }
          cleanup
  %131 = extractvalue { ptr, i32 } %130, 0
  store ptr %131, ptr %4, align 8
  %132 = extractvalue { ptr, i32 } %130, 1
  store i32 %132, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %133

133:                                              ; preds = %129, %91
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %148

134:                                              ; preds = %71
  br label %135

135:                                              ; preds = %134
  %136 = load i32, ptr %10, align 4, !tbaa !5
  %137 = add nsw i32 %136, 1
  store i32 %137, ptr %10, align 4, !tbaa !5
  br label %55, !llvm.loop !14

138:                                              ; preds = %59
  %139 = load i32, ptr %9, align 4, !tbaa !5
  %140 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %139)
          to label %141 unwind label %144

141:                                              ; preds = %138
  %142 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %140, i8 noundef signext 10)
          to label %143 unwind label %144

143:                                              ; preds = %141
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  ret void

144:                                              ; preds = %141, %138
  %145 = landingpad { ptr, i32 }
          cleanup
  %146 = extractvalue { ptr, i32 } %145, 0
  store ptr %146, ptr %4, align 8
  %147 = extractvalue { ptr, i32 } %145, 1
  store i32 %147, ptr %5, align 4
  br label %148

148:                                              ; preds = %144, %133
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %149

149:                                              ; preds = %148, %60, %41
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %150

150:                                              ; preds = %149, %28
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  br label %151

151:                                              ; preds = %150
  %152 = load ptr, ptr %4, align 8
  %153 = load i32, ptr %5, align 4
  %154 = insertvalue { ptr, i32 } poison, ptr %152, 0
  %155 = insertvalue { ptr, i32 } %154, i32 %153, 1
  resume { ptr, i32 } %155
}

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

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: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

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

; 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) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { "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 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 #4 = { 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 #5 = { inlinehint 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


; 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 }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %7 = 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)
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = shl nsw i32 %8, 1
  store i32 %9, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  %10 = sext i32 %9 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %10, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %11 unwind label %16

11:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %20, %11
  %14 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %15 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %14, ptr %15)
          to label %26 unwind label %33

16:                                               ; preds = %0
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  br label %74

.lr.ph:                                           ; preds = %11, %20
  %indvars.iv = phi i64 [ %indvars.iv.next, %20 ], [ 0, %11 ]
  %18 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #6
  %19 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %20 unwind label %24

20:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = icmp slt i64 %indvars.iv.next, %22
  br i1 %23, label %.lr.ph, label %._crit_edge, !llvm.loop !9

24:                                               ; preds = %.lr.ph
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %73

26:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 2147483647, ptr %4, align 4, !tbaa !5
  %27 = load i32, ptr %1, align 4, !tbaa !5
  %28 = icmp sgt i32 %27, 0
  br i1 %28, label %.lr.ph48, label %._crit_edge49

.loopexit.loopexit:                               ; preds = %._crit_edge42
  %.pre67 = sext i32 %52 to i64
  br label %.loopexit

.loopexit:                                        ; preds = %.loopexit.loopexit, %.lr.ph48
  %.pre-phi = phi i64 [ %.pre67, %.loopexit.loopexit ], [ %36, %.lr.ph48 ]
  %29 = phi i32 [ %52, %.loopexit.loopexit ], [ %35, %.lr.ph48 ]
  %30 = icmp slt i64 %indvars.iv.next63, %.pre-phi
  %indvars.iv.next58 = add nuw nsw i64 %indvars.iv57, 1
  br i1 %30, label %.lr.ph48, label %._crit_edge49.loopexit, !llvm.loop !11

._crit_edge49.loopexit:                           ; preds = %.loopexit
  %.pre66 = load i32, ptr %4, align 4, !tbaa !5
  br label %._crit_edge49

._crit_edge49:                                    ; preds = %._crit_edge49.loopexit, %26
  %31 = phi i32 [ %.pre66, %._crit_edge49.loopexit ], [ 2147483647, %26 ]
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %31)
          to label %67 unwind label %70

33:                                               ; preds = %._crit_edge
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %73

.lr.ph48:                                         ; preds = %26, %.loopexit
  %35 = phi i32 [ %29, %.loopexit ], [ %27, %26 ]
  %indvars.iv62 = phi i64 [ %indvars.iv.next63, %.loopexit ], [ 0, %26 ]
  %indvars.iv57 = phi i64 [ %indvars.iv.next58, %.loopexit ], [ 1, %26 ]
  %indvars.iv.next63 = add nuw nsw i64 %indvars.iv62, 1
  %36 = sext i32 %35 to i64
  %37 = icmp slt i64 %indvars.iv.next63, %36
  br i1 %37, label %.lr.ph45, label %.loopexit

.lr.ph45:                                         ; preds = %.lr.ph48, %._crit_edge42
  %indvars.iv59 = phi i64 [ %indvars.iv.next60, %._crit_edge42 ], [ %indvars.iv57, %.lr.ph48 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %38 = load i32, ptr %1, align 4, !tbaa !5
  %39 = icmp sgt i32 %38, 0
  br i1 %39, label %.lr.ph37, label %._crit_edge38.thread

._crit_edge38.thread:                             ; preds = %.lr.ph45
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %._crit_edge42

._crit_edge38:                                    ; preds = %46
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  %40 = icmp sgt i32 %47, 2
  br i1 %40, label %.lr.ph41, label %._crit_edge42

.lr.ph37:                                         ; preds = %.lr.ph45, %46
  %41 = phi i32 [ %47, %46 ], [ %38, %.lr.ph45 ]
  %indvars.iv51 = phi i64 [ %indvars.iv.next52, %46 ], [ 0, %.lr.ph45 ]
  %.not = icmp eq i64 %indvars.iv51, %indvars.iv62
  %.not29 = icmp eq i64 %indvars.iv51, %indvars.iv59
  %or.cond = or i1 %.not, %.not29
  br i1 %or.cond, label %46, label %42

42:                                               ; preds = %.lr.ph37
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv51) #6
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %43)
          to label %._crit_edge65 unwind label %44

._crit_edge65:                                    ; preds = %42
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br label %46

44:                                               ; preds = %42
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  br label %72

46:                                               ; preds = %._crit_edge65, %.lr.ph37
  %47 = phi i32 [ %.pre, %._crit_edge65 ], [ %41, %.lr.ph37 ]
  %indvars.iv.next52 = add nuw nsw i64 %indvars.iv51, 1
  %48 = sext i32 %47 to i64
  %49 = icmp slt i64 %indvars.iv.next52, %48
  br i1 %49, label %.lr.ph37, label %._crit_edge38, !llvm.loop !12

._crit_edge42:                                    ; preds = %.lr.ph41, %._crit_edge38.thread, %._crit_edge38
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %51 = load i32, ptr %50, align 4, !tbaa !5
  store i32 %51, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  %indvars.iv.next60 = add nuw nsw i64 %indvars.iv59, 1
  %52 = load i32, ptr %1, align 4, !tbaa !5
  %53 = trunc nuw i64 %indvars.iv.next60 to i32
  %54 = icmp sgt i32 %52, %53
  br i1 %54, label %.lr.ph45, label %.loopexit.loopexit, !llvm.loop !13

.lr.ph41:                                         ; preds = %._crit_edge38, %.lr.ph41
  %indvars.iv54 = phi i64 [ %indvars.iv.next55, %.lr.ph41 ], [ 0, %._crit_edge38 ]
  %55 = or disjoint i64 %indvars.iv54, 1
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %55) #6
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv54) #6
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = sub i32 %57, %59
  %61 = load i32, ptr %6, align 4, !tbaa !5
  %62 = add nsw i32 %60, %61
  store i32 %62, ptr %6, align 4, !tbaa !5
  %indvars.iv.next55 = add nuw nsw i64 %indvars.iv54, 2
  %63 = load i32, ptr %1, align 4, !tbaa !5
  %64 = add nsw i32 %63, -2
  %65 = sext i32 %64 to i64
  %66 = icmp slt i64 %indvars.iv.next55, %65
  br i1 %66, label %.lr.ph41, label %._crit_edge42, !llvm.loop !14

67:                                               ; preds = %._crit_edge49
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %32, i8 noundef signext 10)
          to label %69 unwind label %70

69:                                               ; preds = %67
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret void

70:                                               ; preds = %67, %._crit_edge49
  %71 = landingpad { ptr, i32 }
          cleanup
  br label %72

72:                                               ; preds = %70, %44
  %.pn = phi { ptr, i32 } [ %45, %44 ], [ %71, %70 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %73

73:                                               ; preds = %72, %33, %24
  %.pn31 = phi { ptr, i32 } [ %25, %24 ], [ %.pn, %72 ], [ %34, %33 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %74

74:                                               ; preds = %73, %16
  %.pn31.pn = phi { ptr, i32 } [ %.pn31, %73 ], [ %17, %16 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn31.pn
}

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

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 nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 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 #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { "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 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 #4 = { 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 #5 = { inlinehint 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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