; LLVM IR from DionysiosB/CodeForces :: 1400-1499 (1475C-BallInBerland)

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

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 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 i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca i64, align 8
  %12 = alloca %"class.std::allocator", align 1
  %13 = alloca i64, align 8
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca %"class.std::allocator", align 1
  %16 = alloca %"class.std::vector", align 8
  %17 = alloca i64, align 8
  %18 = alloca %"class.std::allocator", align 1
  %19 = alloca i64, align 8
  %20 = alloca i64, align 8
  %21 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %23

23:                                               ; preds = %138, %0
  %24 = load i64, ptr %2, align 8, !tbaa !5
  %25 = add nsw i64 %24, -1
  store i64 %25, ptr %2, align 8, !tbaa !5
  %26 = icmp ne i64 %24, 0
  br i1 %26, label %27, label %149

27:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %28 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #5
  %29 = load i64, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %29, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %30 unwind label %38

30:                                               ; preds = %27
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #5
  %31 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  store i64 0, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %31, ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %32 unwind label %42

32:                                               ; preds = %30
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  store i64 0, ptr %13, align 8, !tbaa !5
  br label %33

33:                                               ; preds = %61, %32
  %34 = load i64, ptr %13, align 8, !tbaa !5
  %35 = load i64, ptr %5, align 8, !tbaa !5
  %36 = icmp slt i64 %34, %35
  br i1 %36, label %46, label %37

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %68

38:                                               ; preds = %27
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %8, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  br label %148

42:                                               ; preds = %30
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %8, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %147

46:                                               ; preds = %33
  %47 = load i64, ptr %13, align 8, !tbaa !5
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %47) #5
  %49 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %48)
          to label %50 unwind label %64

50:                                               ; preds = %46
  %51 = load i64, ptr %13, align 8, !tbaa !5
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %51) #5
  %53 = load i64, ptr %52, align 8, !tbaa !5
  %54 = add nsw i64 %53, -1
  store i64 %54, ptr %52, align 8, !tbaa !5
  %55 = load i64, ptr %13, align 8, !tbaa !5
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %55) #5
  %57 = load i64, ptr %56, align 8, !tbaa !5
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %57) #5
  %59 = load i64, ptr %58, align 8, !tbaa !5
  %60 = add nsw i64 %59, 1
  store i64 %60, ptr %58, align 8, !tbaa !5
  br label %61

61:                                               ; preds = %50
  %62 = load i64, ptr %13, align 8, !tbaa !5
  %63 = add nsw i64 %62, 1
  store i64 %63, ptr %13, align 8, !tbaa !5
  br label %33, !llvm.loop !9

64:                                               ; preds = %46
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %8, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %146

68:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #5
  %69 = load i64, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %69, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %70 unwind label %78

70:                                               ; preds = %68
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %16) #5
  %71 = load i64, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  store i64 0, ptr %17, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %71, ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %72 unwind label %82

72:                                               ; preds = %70
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #5
  store i64 0, ptr %19, align 8, !tbaa !5
  br label %73

73:                                               ; preds = %101, %72
  %74 = load i64, ptr %19, align 8, !tbaa !5
  %75 = load i64, ptr %5, align 8, !tbaa !5
  %76 = icmp slt i64 %74, %75
  br i1 %76, label %86, label %77

77:                                               ; preds = %73
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  br label %108

78:                                               ; preds = %68
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %8, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  br label %145

82:                                               ; preds = %70
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %8, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  br label %144

86:                                               ; preds = %73
  %87 = load i64, ptr %19, align 8, !tbaa !5
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %87) #5
  %89 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %88)
          to label %90 unwind label %104

90:                                               ; preds = %86
  %91 = load i64, ptr %19, align 8, !tbaa !5
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %91) #5
  %93 = load i64, ptr %92, align 8, !tbaa !5
  %94 = add nsw i64 %93, -1
  store i64 %94, ptr %92, align 8, !tbaa !5
  %95 = load i64, ptr %19, align 8, !tbaa !5
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %95) #5
  %97 = load i64, ptr %96, align 8, !tbaa !5
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %97) #5
  %99 = load i64, ptr %98, align 8, !tbaa !5
  %100 = add nsw i64 %99, 1
  store i64 %100, ptr %98, align 8, !tbaa !5
  br label %101

101:                                              ; preds = %90
  %102 = load i64, ptr %19, align 8, !tbaa !5
  %103 = add nsw i64 %102, 1
  store i64 %103, ptr %19, align 8, !tbaa !5
  br label %73, !llvm.loop !11

104:                                              ; preds = %86
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %8, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  br label %143

108:                                              ; preds = %77
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #5
  store i64 0, ptr %20, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #5
  store i64 0, ptr %21, align 8, !tbaa !5
  br label %109

109:                                              ; preds = %131, %108
  %110 = load i64, ptr %21, align 8, !tbaa !5
  %111 = load i64, ptr %5, align 8, !tbaa !5
  %112 = icmp slt i64 %110, %111
  br i1 %112, label %114, label %113

113:                                              ; preds = %109
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  br label %134

114:                                              ; preds = %109
  %115 = load i64, ptr %5, align 8, !tbaa !5
  %116 = load i64, ptr %21, align 8, !tbaa !5
  %117 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %116) #5
  %118 = load i64, ptr %117, align 8, !tbaa !5
  %119 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %118) #5
  %120 = load i64, ptr %119, align 8, !tbaa !5
  %121 = sub nsw i64 %115, %120
  %122 = load i64, ptr %21, align 8, !tbaa !5
  %123 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %122) #5
  %124 = load i64, ptr %123, align 8, !tbaa !5
  %125 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %124) #5
  %126 = load i64, ptr %125, align 8, !tbaa !5
  %127 = sub nsw i64 %121, %126
  %128 = add nsw i64 %127, 1
  %129 = load i64, ptr %20, align 8, !tbaa !5
  %130 = add nsw i64 %129, %128
  store i64 %130, ptr %20, align 8, !tbaa !5
  br label %131

131:                                              ; preds = %114
  %132 = load i64, ptr %21, align 8, !tbaa !5
  %133 = add nsw i64 %132, 1
  store i64 %133, ptr %21, align 8, !tbaa !5
  br label %109, !llvm.loop !12

134:                                              ; preds = %113
  %135 = load i64, ptr %20, align 8, !tbaa !5
  %136 = sdiv i64 %135, 2
  %137 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %136)
          to label %138 unwind label %139

138:                                              ; preds = %134
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br label %23, !llvm.loop !13

139:                                              ; preds = %134
  %140 = landingpad { ptr, i32 }
          cleanup
  %141 = extractvalue { ptr, i32 } %140, 0
  store ptr %141, ptr %8, align 8
  %142 = extractvalue { ptr, i32 } %140, 1
  store i32 %142, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  br label %143

143:                                              ; preds = %139, %104
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #5
  br label %144

144:                                              ; preds = %143, %82
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  br label %145

145:                                              ; preds = %144, %78
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #5
  br label %146

146:                                              ; preds = %145, %64
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  br label %147

147:                                              ; preds = %146, %42
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  br label %148

148:                                              ; preds = %147, %38
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, 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 %151

149:                                              ; preds = %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %150 = load i32, ptr %1, align 4
  ret i32 %150

151:                                              ; preds = %148
  %152 = load ptr, ptr %8, align 8
  %153 = load i32, ptr %9, 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 i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(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 uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(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 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 long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 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 i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca i64, align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca i64, align 8
  %14 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %16 = load i64, ptr %1, align 8, !tbaa !5
  %17 = add nsw i64 %16, -1
  store i64 %17, ptr %1, align 8, !tbaa !5
  %.not40 = icmp eq i64 %16, 0
  br i1 %.not40, label %._crit_edge43, label %.lr.ph42

.lr.ph42:                                         ; preds = %0, %._crit_edge38
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  %19 = load i64, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %19, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %20 unwind label %25

20:                                               ; preds = %.lr.ph42
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #5
  %21 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  store i64 0, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %21, ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %22 unwind label %27

22:                                               ; preds = %20
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %24 = icmp sgt i64 %23, 0
  br i1 %24, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %22
  %.lcssa = phi i64 [ %23, %22 ], [ %40, %.lr.ph ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %.lcssa, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %42 unwind label %48

25:                                               ; preds = %.lr.ph42
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  br label %86

27:                                               ; preds = %20
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  br label %85

.lr.ph:                                           ; preds = %22, %.lr.ph
  %.02031 = phi i64 [ %39, %.lr.ph ], [ 0, %22 ]
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.02031) #5
  %30 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %29)
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.02031) #5
  %32 = load i64, ptr %31, align 8, !tbaa !5
  %33 = add nsw i64 %32, -1
  store i64 %33, ptr %31, align 8, !tbaa !5
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.02031) #5
  %35 = load i64, ptr %34, align 8, !tbaa !5
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %35) #5
  %37 = load i64, ptr %36, align 8, !tbaa !5
  %38 = add nsw i64 %37, 1
  store i64 %38, ptr %36, align 8, !tbaa !5
  %39 = add nuw nsw i64 %.02031, 1
  %40 = load i64, ptr %4, align 8, !tbaa !5
  %41 = icmp slt i64 %39, %40
  br i1 %41, label %.lr.ph, label %._crit_edge, !llvm.loop !9

42:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %12) #5
  %43 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #5
  store i64 0, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %14) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %43, ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %44 unwind label %50

44:                                               ; preds = %42
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  %45 = load i64, ptr %4, align 8, !tbaa !5
  %46 = icmp sgt i64 %45, 0
  br i1 %46, label %.lr.ph34, label %._crit_edge38

.preheader:                                       ; preds = %.lr.ph34
  %47 = icmp sgt i64 %63, 0
  br i1 %47, label %.lr.ph37, label %._crit_edge38

48:                                               ; preds = %._crit_edge
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #5
  br label %84

50:                                               ; preds = %42
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  br label %84

.lr.ph34:                                         ; preds = %44, %.lr.ph34
  %.01932 = phi i64 [ %62, %.lr.ph34 ], [ 0, %44 ]
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %.01932) #5
  %53 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %52)
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %.01932) #5
  %55 = load i64, ptr %54, align 8, !tbaa !5
  %56 = add nsw i64 %55, -1
  store i64 %56, ptr %54, align 8, !tbaa !5
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %.01932) #5
  %58 = load i64, ptr %57, align 8, !tbaa !5
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %58) #5
  %60 = load i64, ptr %59, align 8, !tbaa !5
  %61 = add nsw i64 %60, 1
  store i64 %61, ptr %59, align 8, !tbaa !5
  %62 = add nuw nsw i64 %.01932, 1
  %63 = load i64, ptr %4, align 8, !tbaa !5
  %64 = icmp slt i64 %62, %63
  br i1 %64, label %.lr.ph34, label %.preheader, !llvm.loop !11

._crit_edge38:                                    ; preds = %.lr.ph37, %44, %.preheader
  %.018.lcssa = phi i64 [ 0, %.preheader ], [ 0, %44 ], [ %80, %.lr.ph37 ]
  %65 = sdiv i64 %.018.lcssa, 2
  %66 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %65)
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %67 = load i64, ptr %1, align 8, !tbaa !5
  %68 = add nsw i64 %67, -1
  store i64 %68, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %67, 0
  br i1 %.not, label %._crit_edge43, label %.lr.ph42, !llvm.loop !12

.lr.ph37:                                         ; preds = %.preheader, %.lr.ph37
  %69 = phi i64 [ %82, %.lr.ph37 ], [ %63, %.preheader ]
  %.036 = phi i64 [ %81, %.lr.ph37 ], [ 0, %.preheader ]
  %.01835 = phi i64 [ %80, %.lr.ph37 ], [ 0, %.preheader ]
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.036) #5
  %71 = load i64, ptr %70, align 8, !tbaa !5
  %72 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %71) #5
  %73 = load i64, ptr %72, align 8, !tbaa !5
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %.036) #5
  %75 = load i64, ptr %74, align 8, !tbaa !5
  %76 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %75) #5
  %77 = load i64, ptr %76, align 8, !tbaa !5
  %.neg30 = add i64 %.01835, 1
  %78 = add i64 %.neg30, %69
  %79 = add i64 %73, %77
  %80 = sub i64 %78, %79
  %81 = add nuw nsw i64 %.036, 1
  %82 = load i64, ptr %4, align 8, !tbaa !5
  %83 = icmp slt i64 %81, %82
  br i1 %83, label %.lr.ph37, label %._crit_edge38, !llvm.loop !13

84:                                               ; preds = %50, %48
  %.pn = phi { ptr, i32 } [ %51, %50 ], [ %49, %48 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  br label %85

85:                                               ; preds = %84, %27
  %.pn.pn = phi { ptr, i32 } [ %.pn, %84 ], [ %28, %27 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br label %86

86:                                               ; preds = %85, %25
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %85 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, 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.pn

._crit_edge43:                                    ; preds = %._crit_edge38, %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 @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(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 uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #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 @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(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 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,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass