; LLVM IR from ShahjalalShohag/code-library :: Graph Theory (Virtual Tree)

; 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::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::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.__gnu_cxx::__normal_iterator" = type { ptr }

@g = external dso_local global [300009 x %"class.std::vector"], align 16
@par = external dso_local global [300009 x [20 x i32]], align 16
@t = external dso_local global [300009 x %"class.std::vector"], align 16
@ans = external dso_local global i32, align 4
@imp = external dso_local global [300009 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsii(i32 noundef, i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(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 @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9buildtreeSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z2yoi(i32 noundef) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca ptr, align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca i32, align 4
  %18 = alloca %"class.std::vector", align 8
  %19 = alloca %"class.std::vector", align 8
  %20 = alloca %"class.std::vector", align 8
  %21 = alloca ptr, align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %24 = alloca i32, align 4
  %25 = alloca ptr, align 8
  %26 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %27 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %28 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %29 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %30 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %31 = getelementptr i8, ptr %30, i64 -24
  %32 = load i64, ptr %31, align 8
  %33 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %32
  %34 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %33, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  store i32 1, ptr %2, align 4, !tbaa !8
  br label %36

36:                                               ; preds = %49, %0
  %37 = load i32, ptr %2, align 4, !tbaa !8
  %38 = load i32, ptr %5, align 4, !tbaa !8
  %39 = icmp slt i32 %37, %38
  br i1 %39, label %40, label %52

40:                                               ; preds = %36
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %41, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %43 = load i32, ptr %8, align 4, !tbaa !8
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [300009 x %"class.std::vector"], ptr @g, i64 0, i64 %44
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %45, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %46 = load i32, ptr %9, align 4, !tbaa !8
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [300009 x %"class.std::vector"], ptr @g, i64 0, i64 %47
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %48, ptr noundef nonnull align 4 dereferenceable(4) %8)
  br label %49

49:                                               ; preds = %40
  %50 = load i32, ptr %2, align 4, !tbaa !8
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %2, align 4, !tbaa !8
  br label %36, !llvm.loop !11

52:                                               ; preds = %36
  call void @_Z3dfsii(i32 noundef 1, i32 noundef 0)
  %53 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
  br label %54

54:                                               ; preds = %177, %52
  %55 = load i32, ptr %7, align 4, !tbaa !8
  %56 = add nsw i32 %55, -1
  store i32 %56, ptr %7, align 4, !tbaa !8
  %57 = icmp ne i32 %55, 0
  br i1 %57, label %58, label %180

58:                                               ; preds = %54
  %59 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  store i32 0, ptr %2, align 4, !tbaa !8
  br label %60

60:                                               ; preds = %71, %58
  %61 = load i32, ptr %2, align 4, !tbaa !8
  %62 = load i32, ptr %4, align 4, !tbaa !8
  %63 = icmp slt i32 %61, %62
  br i1 %63, label %64, label %78

64:                                               ; preds = %60
  %65 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %66 unwind label %74

66:                                               ; preds = %64
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %67 unwind label %74

67:                                               ; preds = %66
  %68 = load i32, ptr %6, align 4, !tbaa !8
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [300009 x i32], ptr @imp, i64 0, i64 %69
  store i32 1, ptr %70, align 4, !tbaa !8
  br label %71

71:                                               ; preds = %67
  %72 = load i32, ptr %2, align 4, !tbaa !8
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %2, align 4, !tbaa !8
  br label %60, !llvm.loop !13

74:                                               ; preds = %66, %64
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %11, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %12, align 4
  br label %179

78:                                               ; preds = %60
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 1, ptr %13, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  store ptr %10, ptr %14, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %79 = load ptr, ptr %14, align 8, !tbaa !14
  %80 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %79) #7
  %81 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %80, ptr %81, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #7
  %82 = load ptr, ptr %14, align 8, !tbaa !14
  %83 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %82) #7
  %84 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %83, ptr %84, align 8
  br label %85

85:                                               ; preds = %102, %78
  %86 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  br i1 %86, label %88, label %87

87:                                               ; preds = %85
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %104

88:                                               ; preds = %85
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  %90 = load i32, ptr %89, align 4, !tbaa !8
  store i32 %90, ptr %17, align 4, !tbaa !8
  %91 = load i32, ptr %17, align 4, !tbaa !8
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [300009 x [20 x i32]], ptr @par, i64 0, i64 %92
  %94 = getelementptr inbounds [20 x i32], ptr %93, i64 0, i64 0
  %95 = load i32, ptr %94, align 16, !tbaa !8
  %96 = sext i32 %95 to i64
  %97 = getelementptr inbounds [300009 x i32], ptr @imp, i64 0, i64 %96
  %98 = load i32, ptr %97, align 4, !tbaa !8
  %99 = icmp ne i32 %98, 0
  br i1 %99, label %100, label %101

100:                                              ; preds = %88
  store i32 0, ptr %13, align 4, !tbaa !8
  br label %101

101:                                              ; preds = %100, %88
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %102

102:                                              ; preds = %101
  %103 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  br label %85

104:                                              ; preds = %87
  store i32 0, ptr @ans, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 24, ptr %18) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #7
  %105 = load i32, ptr %13, align 4, !tbaa !8
  %106 = icmp ne i32 %105, 0
  br i1 %106, label %107, label %120

107:                                              ; preds = %104
  call void @llvm.lifetime.start.p0(i64 24, ptr %19) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %20, ptr noundef nonnull align 8 dereferenceable(24) %10)
          to label %108 unwind label %111

108:                                              ; preds = %107
  invoke void @_Z9buildtreeSt6vectorIiSaIiEE(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %19, ptr noundef %20)
          to label %109 unwind label %115

109:                                              ; preds = %108
  %110 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %18, ptr noundef nonnull align 8 dereferenceable(24) %19) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %20) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %19) #7
  br label %120

111:                                              ; preds = %107
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %11, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %12, align 4
  br label %119

115:                                              ; preds = %108
  %116 = landingpad { ptr, i32 }
          cleanup
  %117 = extractvalue { ptr, i32 } %116, 0
  store ptr %117, ptr %11, align 8
  %118 = extractvalue { ptr, i32 } %116, 1
  store i32 %118, ptr %12, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %20) #7
  br label %119

119:                                              ; preds = %115, %111
  call void @llvm.lifetime.end.p0(i64 24, ptr %19) #7
  br label %178

120:                                              ; preds = %109, %104
  %121 = load i32, ptr %13, align 4, !tbaa !8
  %122 = icmp ne i32 %121, 0
  br i1 %122, label %123, label %132

123:                                              ; preds = %120
  %124 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #7
  %125 = load i32, ptr %124, align 4, !tbaa !8
  %126 = invoke noundef i32 @_Z2yoi(i32 noundef %125)
          to label %127 unwind label %128

127:                                              ; preds = %123
  br label %132

128:                                              ; preds = %139, %136, %123
  %129 = landingpad { ptr, i32 }
          cleanup
  %130 = extractvalue { ptr, i32 } %129, 0
  store ptr %130, ptr %11, align 8
  %131 = extractvalue { ptr, i32 } %129, 1
  store i32 %131, ptr %12, align 4
  br label %178

132:                                              ; preds = %127, %120
  %133 = load i32, ptr %13, align 4, !tbaa !8
  %134 = icmp ne i32 %133, 0
  br i1 %134, label %136, label %135

135:                                              ; preds = %132
  store i32 -1, ptr @ans, align 4, !tbaa !8
  br label %136

136:                                              ; preds = %135, %132
  %137 = load i32, ptr @ans, align 4, !tbaa !8
  %138 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %137)
          to label %139 unwind label %128

139:                                              ; preds = %136
  %140 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %138, i8 noundef signext 10)
          to label %141 unwind label %128

141:                                              ; preds = %139
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #7
  store ptr %18, ptr %21, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #7
  %142 = load ptr, ptr %21, align 8, !tbaa !14
  %143 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %142) #7
  %144 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %143, ptr %144, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #7
  %145 = load ptr, ptr %21, align 8, !tbaa !14
  %146 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %145) #7
  %147 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %23, i32 0, i32 0
  store ptr %146, ptr %147, align 8
  br label %148

148:                                              ; preds = %157, %141
  %149 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %22, ptr noundef nonnull align 8 dereferenceable(8) %23) #7
  br i1 %149, label %151, label %150

150:                                              ; preds = %148
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  br label %159

151:                                              ; preds = %148
  call void @llvm.lifetime.start.p0(i64 4, ptr %24) #7
  %152 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %22) #7
  %153 = load i32, ptr %152, align 4, !tbaa !8
  store i32 %153, ptr %24, align 4, !tbaa !8
  %154 = load i32, ptr %24, align 4, !tbaa !8
  %155 = sext i32 %154 to i64
  %156 = getelementptr inbounds [300009 x %"class.std::vector"], ptr @t, i64 0, i64 %155
  call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %156) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #7
  br label %157

157:                                              ; preds = %151
  %158 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %22) #7
  br label %148

159:                                              ; preds = %150
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #7
  store ptr %10, ptr %25, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #7
  %160 = load ptr, ptr %25, align 8, !tbaa !14
  %161 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %160) #7
  %162 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %26, i32 0, i32 0
  store ptr %161, ptr %162, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %27) #7
  %163 = load ptr, ptr %25, align 8, !tbaa !14
  %164 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %163) #7
  %165 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %27, i32 0, i32 0
  store ptr %164, ptr %165, align 8
  br label %166

166:                                              ; preds = %175, %159
  %167 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull align 8 dereferenceable(8) %27) #7
  br i1 %167, label %169, label %168

168:                                              ; preds = %166
  call void @llvm.lifetime.end.p0(i64 8, ptr %27) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  br label %177

169:                                              ; preds = %166
  call void @llvm.lifetime.start.p0(i64 4, ptr %28) #7
  %170 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %26) #7
  %171 = load i32, ptr %170, align 4, !tbaa !8
  store i32 %171, ptr %28, align 4, !tbaa !8
  %172 = load i32, ptr %28, align 4, !tbaa !8
  %173 = sext i32 %172 to i64
  %174 = getelementptr inbounds [300009 x i32], ptr @imp, i64 0, i64 %173
  store i32 0, ptr %174, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %28) #7
  br label %175

175:                                              ; preds = %169
  %176 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %26) #7
  br label %166

177:                                              ; preds = %168
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #7
  br label %54, !llvm.loop !16

178:                                              ; preds = %128, %119
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %179

179:                                              ; preds = %178, %74
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %181

180:                                              ; preds = %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  ret i32 0

181:                                              ; preds = %179
  %182 = load ptr, ptr %11, align 8
  %183 = load i32, ptr %12, align 4
  %184 = insertvalue { ptr, i32 } poison, ptr %182, 0
  %185 = insertvalue { ptr, i32 } %184, i32 %183, 1
  resume { ptr, i32 } %185
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #0 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)) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 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) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #5 = { "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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

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

@g = external dso_local global [300009 x %"class.std::vector"], align 16
@par = external dso_local local_unnamed_addr global [300009 x [20 x i32]], align 16
@t = external dso_local global [300009 x %"class.std::vector"], align 16
@ans = external dso_local local_unnamed_addr global i32, align 4
@imp = external dso_local local_unnamed_addr global [300009 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsii(i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(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 @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9buildtreeSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef) local_unnamed_addr #1

; 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 #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z2yoi(i32 noundef) local_unnamed_addr #1

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

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.032 = phi i32 [ %34, %.lr.ph ], [ 1, %0 ]
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %28 = load i32, ptr %5, align 4, !tbaa !8
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [300009 x %"class.std::vector"], ptr @g, i64 0, i64 %29
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %30, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %31 = load i32, ptr %6, align 4, !tbaa !8
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [300009 x %"class.std::vector"], ptr @g, i64 0, i64 %32
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %33, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %34 = add nuw nsw i32 %.032, 1
  %35 = load i32, ptr %2, align 4, !tbaa !8
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @_Z3dfsii(i32 noundef 1, i32 noundef 0)
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %38 = load i32, ptr %4, align 4, !tbaa !8
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %4, align 4, !tbaa !8
  %.not47 = icmp eq i32 %38, 0
  br i1 %.not47, label %._crit_edge50, label %.lr.ph49

.lr.ph49:                                         ; preds = %._crit_edge, %._crit_edge46
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  %41 = load i32, ptr %1, align 4, !tbaa !8
  %42 = icmp sgt i32 %41, 0
  br i1 %42, label %.lr.ph35, label %._crit_edge36

.lr.ph35:                                         ; preds = %.lr.ph49, %45
  %.133 = phi i32 [ %49, %45 ], [ 0, %.lr.ph49 ]
  %43 = 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 %44 unwind label %52

44:                                               ; preds = %.lr.ph35
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %45 unwind label %52

45:                                               ; preds = %44
  %46 = load i32, ptr %3, align 4, !tbaa !8
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [300009 x i32], ptr @imp, i64 0, i64 %47
  store i32 1, ptr %48, align 4, !tbaa !8
  %49 = add nuw nsw i32 %.133, 1
  %50 = load i32, ptr %1, align 4, !tbaa !8
  %51 = icmp slt i32 %49, %50
  br i1 %51, label %.lr.ph35, label %._crit_edge36, !llvm.loop !13

52:                                               ; preds = %44, %.lr.ph35
  %53 = landingpad { ptr, i32 }
          cleanup
  br label %107

._crit_edge36:                                    ; preds = %45, %.lr.ph49
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  %54 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  store ptr %54, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  %55 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  store ptr %55, ptr %9, align 8
  %56 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #7
  br i1 %56, label %.lr.ph39, label %._crit_edge40.thread

._crit_edge40.thread:                             ; preds = %._crit_edge36
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  store i32 0, ptr @ans, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  br label %67

._crit_edge40:                                    ; preds = %.lr.ph39
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  store i32 0, ptr @ans, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  %.not24 = icmp eq i32 %spec.select, 0
  br i1 %.not24, label %.critedge31, label %67

.lr.ph39:                                         ; preds = %._crit_edge36, %.lr.ph39
  %.02237 = phi i32 [ %spec.select, %.lr.ph39 ], [ 1, %._crit_edge36 ]
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #7
  %58 = load i32, ptr %57, align 4, !tbaa !8
  %59 = sext i32 %58 to i64
  %60 = getelementptr inbounds [300009 x [20 x i32]], ptr @par, i64 0, i64 %59
  %61 = load i32, ptr %60, align 16, !tbaa !8
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds [300009 x i32], ptr @imp, i64 0, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !8
  %.not28 = icmp eq i32 %64, 0
  %spec.select = select i1 %.not28, i32 %.02237, i32 0
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #7
  %66 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #7
  br i1 %66, label %.lr.ph39, label %._crit_edge40

67:                                               ; preds = %._crit_edge40.thread, %._crit_edge40
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %11) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %68 unwind label %69

68:                                               ; preds = %67
  invoke void @_Z9buildtreeSt6vectorIiSaIiEE(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %11, ptr noundef nonnull %12)
          to label %74 unwind label %71

69:                                               ; preds = %67
  %70 = landingpad { ptr, i32 }
          cleanup
  br label %73

71:                                               ; preds = %68
  %72 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  br label %73

73:                                               ; preds = %71, %69
  %.pn = phi { ptr, i32 } [ %72, %71 ], [ %70, %69 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #7
  br label %106

74:                                               ; preds = %68
  %75 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) %11) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #7
  %76 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  %77 = load i32, ptr %76, align 4, !tbaa !8
  %78 = invoke noundef i32 @_Z2yoi(i32 noundef %77)
          to label %..critedge_crit_edge unwind label %79

..critedge_crit_edge:                             ; preds = %74
  %.pre = load i32, ptr @ans, align 4, !tbaa !8
  br label %.critedge

79:                                               ; preds = %83, %.critedge, %74
  %80 = landingpad { ptr, i32 }
          cleanup
  br label %106

.critedge31:                                      ; preds = %._crit_edge40
  store i32 -1, ptr @ans, align 4, !tbaa !8
  br label %.critedge

.critedge:                                        ; preds = %..critedge_crit_edge, %.critedge31
  %81 = phi i32 [ %.pre, %..critedge_crit_edge ], [ -1, %.critedge31 ]
  %82 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %81)
          to label %83 unwind label %79

83:                                               ; preds = %.critedge
  %84 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %82, i8 noundef signext 10)
          to label %85 unwind label %79

85:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #7
  %86 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  store ptr %86, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #7
  %87 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  store ptr %87, ptr %14, align 8
  %88 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #7
  br i1 %88, label %.lr.ph42, label %._crit_edge43

._crit_edge43:                                    ; preds = %.lr.ph42, %85
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #7
  %89 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  store ptr %89, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #7
  %90 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  store ptr %90, ptr %16, align 8
  %91 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  br i1 %91, label %.lr.ph45, label %._crit_edge46

.lr.ph42:                                         ; preds = %85, %.lr.ph42
  %92 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  %93 = load i32, ptr %92, align 4, !tbaa !8
  %94 = sext i32 %93 to i64
  %95 = getelementptr inbounds [300009 x %"class.std::vector"], ptr @t, i64 0, i64 %94
  call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %95) #7
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  %97 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #7
  br i1 %97, label %.lr.ph42, label %._crit_edge43

._crit_edge46:                                    ; preds = %.lr.ph45, %._crit_edge43
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  %98 = load i32, ptr %4, align 4, !tbaa !8
  %99 = add nsw i32 %98, -1
  store i32 %99, ptr %4, align 4, !tbaa !8
  %.not = icmp eq i32 %98, 0
  br i1 %.not, label %._crit_edge50, label %.lr.ph49, !llvm.loop !14

.lr.ph45:                                         ; preds = %._crit_edge43, %.lr.ph45
  %100 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  %101 = load i32, ptr %100, align 4, !tbaa !8
  %102 = sext i32 %101 to i64
  %103 = getelementptr inbounds [300009 x i32], ptr @imp, i64 0, i64 %102
  store i32 0, ptr %103, align 4, !tbaa !8
  %104 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  %105 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  br i1 %105, label %.lr.ph45, label %._crit_edge46

106:                                              ; preds = %79, %73
  %.pn26 = phi { ptr, i32 } [ %80, %79 ], [ %.pn, %73 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #7
  br label %107

107:                                              ; preds = %106, %52
  %.pn29 = phi { ptr, i32 } [ %53, %52 ], [ %.pn26, %106 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn29

._crit_edge50:                                    ; preds = %._crit_edge46, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #0 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 #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 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 #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #5 = { "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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

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


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