; LLVM IR from DionysiosB/CodeForces :: 1200-1299 (1264A-BeautifulRegionalContest)

; 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<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %19

19:                                               ; preds = %148, %0
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = add nsw i64 %20, -1
  store i64 %21, ptr %2, align 8, !tbaa !5
  %22 = icmp ne i64 %20, 0
  br i1 %22, label %23, label %156

23:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %25 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %26 unwind label %32

26:                                               ; preds = %23
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %41, %26
  %28 = load i64, ptr %8, align 8, !tbaa !5
  %29 = load i64, ptr %3, align 8, !tbaa !5
  %30 = icmp slt i64 %28, %29
  br i1 %30, label %36, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %48

32:                                               ; preds = %23
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %6, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  br label %155

36:                                               ; preds = %27
  %37 = load i64, ptr %8, align 8, !tbaa !5
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %37) #5
  %39 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %38)
          to label %40 unwind label %44

40:                                               ; preds = %36
  br label %41

41:                                               ; preds = %40
  %42 = load i64, ptr %8, align 8, !tbaa !5
  %43 = add nsw i64 %42, 1
  store i64 %43, ptr %8, align 8, !tbaa !5
  br label %27, !llvm.loop !9

44:                                               ; preds = %36
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %6, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %154

48:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %50 = load i64, ptr %49, align 8, !tbaa !5
  %51 = sub nsw i64 %50, 1
  store i64 %51, ptr %9, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %52 unwind label %58

52:                                               ; preds = %48
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #5
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  store i64 1, ptr %11, align 8, !tbaa !5
  br label %53

53:                                               ; preds = %84, %52
  %54 = load i64, ptr %11, align 8, !tbaa !5
  %55 = load i64, ptr %3, align 8, !tbaa !5
  %56 = icmp sle i64 %54, %55
  br i1 %56, label %62, label %57

57:                                               ; preds = %53
  store i32 7, ptr %12, align 4
  br label %87

58:                                               ; preds = %48
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %6, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %154

62:                                               ; preds = %53
  %63 = load i64, ptr %11, align 8, !tbaa !5
  %64 = sub nsw i64 %63, 1
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %64) #5
  %66 = load i64, ptr %65, align 8, !tbaa !5
  %67 = load i64, ptr %11, align 8, !tbaa !5
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %67) #5
  %69 = load i64, ptr %68, align 8, !tbaa !5
  %70 = icmp sgt i64 %66, %69
  br i1 %70, label %71, label %83

71:                                               ; preds = %62
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %72 unwind label %78

72:                                               ; preds = %71
  %73 = load i64, ptr %11, align 8, !tbaa !5
  %74 = load i64, ptr %3, align 8, !tbaa !5
  %75 = sdiv i64 %74, 2
  %76 = icmp sgt i64 %73, %75
  br i1 %76, label %77, label %82

77:                                               ; preds = %72
  store i32 7, ptr %12, align 4
  br label %87

78:                                               ; preds = %71
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %6, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %153

82:                                               ; preds = %72
  br label %83

83:                                               ; preds = %82, %62
  br label %84

84:                                               ; preds = %83
  %85 = load i64, ptr %11, align 8, !tbaa !5
  %86 = add nsw i64 %85, 1
  store i64 %86, ptr %11, align 8, !tbaa !5
  br label %53, !llvm.loop !11

87:                                               ; preds = %77, %57
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %88

88:                                               ; preds = %87
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  store i64 0, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  store i64 0, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  store i64 0, ptr %15, align 8, !tbaa !5
  %89 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  %90 = icmp ugt i64 %89, 3
  br i1 %90, label %91, label %143

91:                                               ; preds = %88
  call void @_ZNSt6vectorIlSaIlEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef 0) #5
  %93 = load i64, ptr %92, align 8, !tbaa !5
  store i64 %93, ptr %13, align 8, !tbaa !5
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  %95 = load i64, ptr %94, align 8, !tbaa !5
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef 0) #5
  %97 = load i64, ptr %96, align 8, !tbaa !5
  %98 = sub nsw i64 %95, %97
  store i64 %98, ptr %14, align 8, !tbaa !5
  store i64 0, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %99 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  %100 = sub i64 %99, 1
  store i64 %100, ptr %16, align 8, !tbaa !5
  br label %101

101:                                              ; preds = %129, %91
  %102 = load i64, ptr %16, align 8, !tbaa !5
  %103 = icmp sgt i64 %102, 0
  br i1 %103, label %105, label %104

104:                                              ; preds = %101
  store i32 10, ptr %12, align 4
  br label %132

105:                                              ; preds = %101
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %106 = load i64, ptr %16, align 8, !tbaa !5
  %107 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %106) #5
  %108 = load i64, ptr %107, align 8, !tbaa !5
  %109 = load i64, ptr %16, align 8, !tbaa !5
  %110 = sub nsw i64 %109, 1
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %110) #5
  %112 = load i64, ptr %111, align 8, !tbaa !5
  %113 = sub nsw i64 %108, %112
  store i64 %113, ptr %17, align 8, !tbaa !5
  %114 = load i64, ptr %15, align 8, !tbaa !5
  %115 = load i64, ptr %13, align 8, !tbaa !5
  %116 = icmp sle i64 %114, %115
  br i1 %116, label %117, label %124

117:                                              ; preds = %105
  %118 = load i64, ptr %17, align 8, !tbaa !5
  %119 = load i64, ptr %15, align 8, !tbaa !5
  %120 = add nsw i64 %119, %118
  store i64 %120, ptr %15, align 8, !tbaa !5
  %121 = load i64, ptr %17, align 8, !tbaa !5
  %122 = load i64, ptr %14, align 8, !tbaa !5
  %123 = sub nsw i64 %122, %121
  store i64 %123, ptr %14, align 8, !tbaa !5
  br label %125

124:                                              ; preds = %105
  store i32 10, ptr %12, align 4
  br label %126

125:                                              ; preds = %117
  store i32 0, ptr %12, align 4
  br label %126

126:                                              ; preds = %125, %124
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  %127 = load i32, ptr %12, align 4
  switch i32 %127, label %132 [
    i32 0, label %128
  ]

128:                                              ; preds = %126
  br label %129

129:                                              ; preds = %128
  %130 = load i64, ptr %16, align 8, !tbaa !5
  %131 = add nsw i64 %130, -1
  store i64 %131, ptr %16, align 8, !tbaa !5
  br label %101, !llvm.loop !12

132:                                              ; preds = %126, %104
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %133

133:                                              ; preds = %132
  %134 = load i64, ptr %13, align 8, !tbaa !5
  %135 = load i64, ptr %14, align 8, !tbaa !5
  %136 = icmp sge i64 %134, %135
  br i1 %136, label %141, label %137

137:                                              ; preds = %133
  %138 = load i64, ptr %13, align 8, !tbaa !5
  %139 = load i64, ptr %15, align 8, !tbaa !5
  %140 = icmp sge i64 %138, %139
  br i1 %140, label %141, label %142

141:                                              ; preds = %137, %133
  store i64 0, ptr %15, align 8, !tbaa !5
  store i64 0, ptr %14, align 8, !tbaa !5
  store i64 0, ptr %13, align 8, !tbaa !5
  br label %142

142:                                              ; preds = %141, %137
  br label %143

143:                                              ; preds = %142, %88
  %144 = load i64, ptr %13, align 8, !tbaa !5
  %145 = load i64, ptr %14, align 8, !tbaa !5
  %146 = load i64, ptr %15, align 8, !tbaa !5
  %147 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %144, i64 noundef %145, i64 noundef %146)
          to label %148 unwind label %149

148:                                              ; preds = %143
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br label %19, !llvm.loop !13

149:                                              ; preds = %143
  %150 = landingpad { ptr, i32 }
          cleanup
  %151 = extractvalue { ptr, i32 } %150, 0
  store ptr %151, ptr %6, align 8
  %152 = extractvalue { ptr, i32 } %150, 1
  store i32 %152, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %153

153:                                              ; preds = %149, %78
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #5
  br label %154

154:                                              ; preds = %153, %58, %44
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %155

155:                                              ; preds = %154, %32
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %158

156:                                              ; preds = %19
  store i32 0, ptr %1, align 4
  store i32 1, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %157 = load i32, ptr %1, align 4
  ret i32 %157

158:                                              ; preds = %155
  %159 = load ptr, ptr %6, align 8
  %160 = load i32, ptr %7, align 4
  %161 = insertvalue { ptr, i32 } poison, ptr %159, 0
  %162 = insertvalue { ptr, i32 } %161, i32 %160, 1
  resume { ptr, i32 } %162
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 = { 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 = { 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 = !{!"long", !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}


; 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<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = add nsw i64 %9, -1
  store i64 %10, ptr %1, align 8, !tbaa !5
  %.not50 = icmp eq i64 %9, 0
  br i1 %.not50, label %._crit_edge53, label %.lr.ph52

.lr.ph52:                                         ; preds = %0, %72
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  %12 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %12, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %13 unwind label %19

13:                                               ; preds = %.lr.ph52
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  %14 = load i64, ptr %2, align 8, !tbaa !5
  %15 = icmp sgt i64 %14, 0
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %13
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %17 = load i64, ptr %16, align 8, !tbaa !5
  %18 = add nsw i64 %17, -1
  store i64 %18, ptr %5, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %26 unwind label %28

19:                                               ; preds = %.lr.ph52
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  br label %77

.lr.ph:                                           ; preds = %13, %.lr.ph
  %.03043 = phi i64 [ %23, %.lr.ph ], [ 0, %13 ]
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.03043) #5
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %21)
  %23 = add nuw nsw i64 %.03043, 1
  %24 = load i64, ptr %2, align 8, !tbaa !5
  %25 = icmp slt i64 %23, %24
  br i1 %25, label %.lr.ph, label %._crit_edge, !llvm.loop !9

26:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #5
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  store i64 1, ptr %7, align 8, !tbaa !5
  %27 = load i64, ptr %2, align 8, !tbaa !5
  %.not3744 = icmp slt i64 %27, 1
  br i1 %.not3744, label %._crit_edge48, label %.lr.ph47

28:                                               ; preds = %._crit_edge
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  br label %76

.lr.ph47:                                         ; preds = %26, %44
  %storemerge45 = phi i64 [ %46, %44 ], [ 0, %26 ]
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %storemerge45) #5
  %31 = load i64, ptr %30, align 8, !tbaa !5
  %32 = load i64, ptr %7, align 8, !tbaa !5
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %32) #5
  %34 = load i64, ptr %33, align 8, !tbaa !5
  %35 = icmp sgt i64 %31, %34
  br i1 %35, label %36, label %.lr.ph47._crit_edge

.lr.ph47._crit_edge:                              ; preds = %.lr.ph47
  %.pre = load i64, ptr %7, align 8, !tbaa !5
  %.pre54 = load i64, ptr %2, align 8, !tbaa !5
  br label %44

36:                                               ; preds = %.lr.ph47
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %37 unwind label %42

37:                                               ; preds = %36
  %38 = load i64, ptr %7, align 8, !tbaa !5
  %39 = load i64, ptr %2, align 8, !tbaa !5
  %40 = sdiv i64 %39, 2
  %41 = icmp sgt i64 %38, %40
  br i1 %41, label %._crit_edge48, label %44

42:                                               ; preds = %36
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  br label %76

44:                                               ; preds = %.lr.ph47._crit_edge, %37
  %45 = phi i64 [ %.pre54, %.lr.ph47._crit_edge ], [ %39, %37 ]
  %46 = phi i64 [ %.pre, %.lr.ph47._crit_edge ], [ %38, %37 ]
  %47 = add nsw i64 %46, 1
  store i64 %47, ptr %7, align 8, !tbaa !5
  %.not37.not = icmp slt i64 %46, %45
  br i1 %.not37.not, label %.lr.ph47, label %._crit_edge48, !llvm.loop !11

._crit_edge48:                                    ; preds = %44, %37, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  %48 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %49 = icmp ugt i64 %48, 3
  br i1 %49, label %50, label %72

50:                                               ; preds = %._crit_edge48
  call void @_ZNSt6vectorIlSaIlEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 0) #5
  %52 = load i64, ptr %51, align 8, !tbaa !5
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %54 = load i64, ptr %53, align 8, !tbaa !5
  %55 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 0) #5
  %56 = load i64, ptr %55, align 8, !tbaa !5
  %57 = sub nsw i64 %54, %56
  %58 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  br label %59

59:                                               ; preds = %61, %50
  %.024 = phi i64 [ %57, %50 ], [ %69, %61 ]
  %.023 = phi i64 [ 0, %50 ], [ %68, %61 ]
  %.0.in = phi i64 [ %58, %50 ], [ %.0, %61 ]
  %.0 = add i64 %.0.in, -1
  %60 = icmp sgt i64 %.0, 0
  br i1 %60, label %61, label %70

61:                                               ; preds = %59
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %.0) #5
  %63 = load i64, ptr %62, align 8, !tbaa !5
  %64 = add i64 %.0.in, -2
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %64) #5
  %.not40.not = icmp sgt i64 %.023, %52
  %66 = load i64, ptr %65, align 8
  %67 = sub nsw i64 %63, %66
  %68 = add nsw i64 %67, %.023
  %69 = sub nsw i64 %.024, %67
  br i1 %.not40.not, label %70, label %59, !llvm.loop !12

70:                                               ; preds = %59, %61
  %.not41 = icmp slt i64 %52, %.024
  %.not42 = icmp slt i64 %52, %.023
  %or.cond = select i1 %.not41, i1 %.not42, i1 false
  br i1 %or.cond, label %72, label %71

71:                                               ; preds = %70
  br label %72

72:                                               ; preds = %70, %71, %._crit_edge48
  %.028 = phi i64 [ 0, %71 ], [ 0, %._crit_edge48 ], [ %52, %70 ]
  %.327 = phi i64 [ 0, %71 ], [ 0, %._crit_edge48 ], [ %.024, %70 ]
  %.3 = phi i64 [ 0, %71 ], [ 0, %._crit_edge48 ], [ %.023, %70 ]
  %73 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.028, i64 noundef %.327, i64 noundef %.3)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %74 = load i64, ptr %1, align 8, !tbaa !5
  %75 = add nsw i64 %74, -1
  store i64 %75, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %74, 0
  br i1 %.not, label %._crit_edge53, label %.lr.ph52, !llvm.loop !13

76:                                               ; preds = %42, %28
  %.pn = phi { ptr, i32 } [ %43, %42 ], [ %29, %28 ]
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %77

77:                                               ; preds = %76, %19
  %.pn.pn = phi { ptr, i32 } [ %.pn, %76 ], [ %20, %19 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn

._crit_edge53:                                    ; preds = %72, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

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


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