; LLVM IR from tangjz/acm-icpc :: codeforces/gym (100685G)

; 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<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@in = external dso_local global [100010 x i32], align 16
@out = external dso_local global [100010 x i32], align 16
@dep = external dso_local global [100010 x i32], align 16
@fa = external dso_local global [100010 x [17 x i32]], align 16
@e = external dso_local global [100010 x %"class.std::vector"], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z3addii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3sumi(i32 noundef) #0

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsi(i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(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_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3lcaii(i32 noundef, i32 noundef) #0

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

19:                                               ; preds = %34, %0
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = load i32, ptr @n, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %37

24:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  %26 = load i32, ptr %3, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @e, i64 0, i64 %27
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 1, ptr %6, align 4, !tbaa !5
  %29 = call i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
  store i64 %29, ptr %5, align 4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %28, ptr noundef nonnull align 4 dereferenceable(8) %5)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @e, i64 0, i64 %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 -1, ptr %8, align 4, !tbaa !5
  %33 = call i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %8)
  store i64 %33, ptr %7, align 4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %32, ptr noundef nonnull align 4 dereferenceable(8) %7)
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %34

34:                                               ; preds = %24
  %35 = load i32, ptr %2, align 4, !tbaa !5
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %2, align 4, !tbaa !5
  br label %19, !llvm.loop !9

37:                                               ; preds = %23
  call void @_Z3dfsi(i32 noundef 1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 1, ptr %9, align 4, !tbaa !5
  br label %38

38:                                               ; preds = %93, %37
  %39 = load i32, ptr %9, align 4, !tbaa !5
  %40 = load i32, ptr @n, align 4, !tbaa !5
  %41 = icmp sle i32 %39, %40
  br i1 %41, label %43, label %42

42:                                               ; preds = %38
  store i32 5, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %96

43:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %44 = load i32, ptr %9, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @e, i64 0, i64 %45
  %47 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %46) #6
  %48 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %47, ptr %48, align 8
  br label %49

49:                                               ; preds = %90, %43
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %50 = load i32, ptr %9, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @e, i64 0, i64 %51
  %53 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %52) #6
  %54 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %53, ptr %54, align 8
  %55 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br i1 %55, label %57, label %56

56:                                               ; preds = %49
  store i32 8, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %92

57:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %58 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  %59 = getelementptr inbounds %"struct.std::pair", ptr %58, i32 0, i32 0
  store ptr %59, ptr %13, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %60 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  %61 = getelementptr inbounds %"struct.std::pair", ptr %60, i32 0, i32 1
  store ptr %61, ptr %14, align 8, !tbaa !11
  %62 = load ptr, ptr %13, align 8, !tbaa !11
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = load i32, ptr %9, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds [100010 x [17 x i32]], ptr @fa, i64 0, i64 %65
  %67 = getelementptr inbounds [17 x i32], ptr %66, i64 0, i64 0
  %68 = load i32, ptr %67, align 4, !tbaa !5
  %69 = icmp eq i32 %63, %68
  br i1 %69, label %70, label %71

70:                                               ; preds = %57
  store i32 10, ptr %10, align 4
  br label %87

71:                                               ; preds = %57
  %72 = load ptr, ptr %13, align 8, !tbaa !11
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds [100010 x i32], ptr @in, i64 0, i64 %74
  %76 = load i32, ptr %75, align 4, !tbaa !5
  %77 = load ptr, ptr %14, align 8, !tbaa !11
  %78 = load i32, ptr %77, align 4, !tbaa !5
  call void @_Z3addii(i32 noundef %76, i32 noundef %78)
  %79 = load ptr, ptr %13, align 8, !tbaa !11
  %80 = load i32, ptr %79, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = getelementptr inbounds [100010 x i32], ptr @out, i64 0, i64 %81
  %83 = load i32, ptr %82, align 4, !tbaa !5
  %84 = load ptr, ptr %14, align 8, !tbaa !11
  %85 = load i32, ptr %84, align 4, !tbaa !5
  %86 = sub nsw i32 0, %85
  call void @_Z3addii(i32 noundef %83, i32 noundef %86)
  store i32 0, ptr %10, align 4
  br label %87

87:                                               ; preds = %71, %70
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  %88 = load i32, ptr %10, align 4
  switch i32 %88, label %156 [
    i32 0, label %89
    i32 10, label %90
  ]

89:                                               ; preds = %87
  br label %90

90:                                               ; preds = %89, %87
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  br label %49, !llvm.loop !13

92:                                               ; preds = %56
  br label %93

93:                                               ; preds = %92
  %94 = load i32, ptr %9, align 4, !tbaa !5
  %95 = add nsw i32 %94, 1
  store i32 %95, ptr %9, align 4, !tbaa !5
  br label %38, !llvm.loop !14

96:                                               ; preds = %42
  %97 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @m)
  br label %98

98:                                               ; preds = %154, %96
  %99 = load i32, ptr @m, align 4, !tbaa !5
  %100 = add nsw i32 %99, -1
  store i32 %100, ptr @m, align 4, !tbaa !5
  %101 = icmp ne i32 %99, 0
  br i1 %101, label %102, label %155

102:                                              ; preds = %98
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  %103 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %15, ptr noundef %16)
  %104 = load i32, ptr %15, align 4, !tbaa !5
  %105 = load i32, ptr %16, align 4, !tbaa !5
  %106 = call noundef i32 @_Z3lcaii(i32 noundef %104, i32 noundef %105)
  store i32 %106, ptr %17, align 4, !tbaa !5
  %107 = load i32, ptr %15, align 4, !tbaa !5
  %108 = sext i32 %107 to i64
  %109 = getelementptr inbounds [100010 x i32], ptr @in, i64 0, i64 %108
  %110 = load i32, ptr %109, align 4, !tbaa !5
  %111 = call noundef i32 @_Z3sumi(i32 noundef %110)
  %112 = load i32, ptr %17, align 4, !tbaa !5
  %113 = sext i32 %112 to i64
  %114 = getelementptr inbounds [100010 x i32], ptr @in, i64 0, i64 %113
  %115 = load i32, ptr %114, align 4, !tbaa !5
  %116 = call noundef i32 @_Z3sumi(i32 noundef %115)
  %117 = sub nsw i32 %111, %116
  %118 = load i32, ptr %17, align 4, !tbaa !5
  %119 = sext i32 %118 to i64
  %120 = getelementptr inbounds [100010 x i32], ptr @dep, i64 0, i64 %119
  %121 = load i32, ptr %120, align 4, !tbaa !5
  %122 = load i32, ptr %15, align 4, !tbaa !5
  %123 = sext i32 %122 to i64
  %124 = getelementptr inbounds [100010 x i32], ptr @dep, i64 0, i64 %123
  %125 = load i32, ptr %124, align 4, !tbaa !5
  %126 = sub nsw i32 %121, %125
  %127 = icmp eq i32 %117, %126
  br i1 %127, label %128, label %152

128:                                              ; preds = %102
  %129 = load i32, ptr %16, align 4, !tbaa !5
  %130 = sext i32 %129 to i64
  %131 = getelementptr inbounds [100010 x i32], ptr @in, i64 0, i64 %130
  %132 = load i32, ptr %131, align 4, !tbaa !5
  %133 = call noundef i32 @_Z3sumi(i32 noundef %132)
  %134 = load i32, ptr %17, align 4, !tbaa !5
  %135 = sext i32 %134 to i64
  %136 = getelementptr inbounds [100010 x i32], ptr @in, i64 0, i64 %135
  %137 = load i32, ptr %136, align 4, !tbaa !5
  %138 = call noundef i32 @_Z3sumi(i32 noundef %137)
  %139 = sub nsw i32 %133, %138
  %140 = load i32, ptr %16, align 4, !tbaa !5
  %141 = sext i32 %140 to i64
  %142 = getelementptr inbounds [100010 x i32], ptr @dep, i64 0, i64 %141
  %143 = load i32, ptr %142, align 4, !tbaa !5
  %144 = load i32, ptr %17, align 4, !tbaa !5
  %145 = sext i32 %144 to i64
  %146 = getelementptr inbounds [100010 x i32], ptr @dep, i64 0, i64 %145
  %147 = load i32, ptr %146, align 4, !tbaa !5
  %148 = sub nsw i32 %143, %147
  %149 = icmp eq i32 %139, %148
  br i1 %149, label %150, label %152

150:                                              ; preds = %128
  %151 = call i32 @puts(ptr noundef @.str.2)
  br label %154

152:                                              ; preds = %128, %102
  %153 = call i32 @puts(ptr noundef @.str.3)
  br label %154

154:                                              ; preds = %152, %150
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %98, !llvm.loop !15

155:                                              ; preds = %98
  ret i32 0

156:                                              ; preds = %87
  unreachable
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2

declare i32 @puts(ptr noundef) #5

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { nounwind }

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

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

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@in = external dso_local local_unnamed_addr global [100010 x i32], align 16
@out = external dso_local local_unnamed_addr global [100010 x i32], align 16
@dep = external dso_local local_unnamed_addr global [100010 x i32], align 16
@fa = external dso_local local_unnamed_addr global [100010 x [17 x i32]], align 16
@e = external dso_local global [100010 x %"class.std::vector"], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z3addii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3sumi(i32 noundef) local_unnamed_addr #0

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsi(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(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_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(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 ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(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_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3lcaii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"struct.std::pair", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n)
  %12 = load i32, ptr @n, align 4, !tbaa !5
  %13 = icmp sgt i32 %12, 1
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @_Z3dfsi(i32 noundef 1)
  %14 = load i32, ptr @n, align 4, !tbaa !5
  %.not22 = icmp slt i32 %14, 1
  br i1 %.not22, label %._crit_edge26, label %.lr.ph25

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.018 = phi i32 [ %24, %.lr.ph ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @e, i64 0, i64 %17
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 1, ptr %4, align 4, !tbaa !5
  %19 = call i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %4)
  store i64 %19, ptr %3, align 8
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %18, ptr noundef nonnull align 4 dereferenceable(8) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @e, i64 0, i64 %21
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  store i32 -1, ptr %6, align 4, !tbaa !5
  %23 = call i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %1, ptr noundef nonnull align 4 dereferenceable(4) %6)
  store i64 %23, ptr %5, align 8
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr noundef nonnull align 4 dereferenceable(8) %5)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %24 = add nuw nsw i32 %.018, 1
  %25 = load i32, ptr @n, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge26:                                    ; preds = %._crit_edge21, %._crit_edge
  %27 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @m)
  %28 = load i32, ptr @m, align 4, !tbaa !5
  %29 = add nsw i32 %28, -1
  store i32 %29, ptr @m, align 4, !tbaa !5
  %.not1727 = icmp eq i32 %28, 0
  br i1 %.not1727, label %._crit_edge30, label %.lr.ph29

.lr.ph25:                                         ; preds = %._crit_edge, %._crit_edge21
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge21 ], [ 1, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %30 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @e, i64 0, i64 %indvars.iv
  %31 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %30) #6
  store ptr %31, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %32 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %30) #6
  store ptr %32, ptr %8, align 8
  %33 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  br i1 %33, label %.lr.ph20, label %._crit_edge21

.lr.ph20:                                         ; preds = %.lr.ph25
  %34 = getelementptr inbounds [100010 x [17 x i32]], ptr @fa, i64 0, i64 %indvars.iv
  br label %37

._crit_edge21:                                    ; preds = %55, %.lr.ph25
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %35 = load i32, ptr @n, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %.not.not = icmp slt i64 %indvars.iv, %36
  br i1 %.not.not, label %.lr.ph25, label %._crit_edge26, !llvm.loop !11

37:                                               ; preds = %.lr.ph20, %55
  %38 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  %39 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  %40 = load i32, ptr %38, align 4, !tbaa !5
  %41 = load i32, ptr %34, align 4, !tbaa !5
  %42 = icmp eq i32 %40, %41
  br i1 %42, label %55, label %43

43:                                               ; preds = %37
  %44 = getelementptr inbounds i8, ptr %39, i64 4
  %45 = sext i32 %40 to i64
  %46 = getelementptr inbounds [100010 x i32], ptr @in, i64 0, i64 %45
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = load i32, ptr %44, align 4, !tbaa !5
  call void @_Z3addii(i32 noundef %47, i32 noundef %48)
  %49 = load i32, ptr %38, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [100010 x i32], ptr @out, i64 0, i64 %50
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = load i32, ptr %44, align 4, !tbaa !5
  %54 = sub nsw i32 0, %53
  call void @_Z3addii(i32 noundef %52, i32 noundef %54)
  br label %55

55:                                               ; preds = %37, %43
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %57 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %30) #6
  store ptr %57, ptr %8, align 8
  %58 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  br i1 %58, label %37, label %._crit_edge21, !llvm.loop !12

.lr.ph29:                                         ; preds = %._crit_edge26, %98
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #6
  %59 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %9, ptr noundef nonnull %10)
  %60 = load i32, ptr %9, align 4, !tbaa !5
  %61 = load i32, ptr %10, align 4, !tbaa !5
  %62 = call noundef i32 @_Z3lcaii(i32 noundef %60, i32 noundef %61)
  %63 = load i32, ptr %9, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds [100010 x i32], ptr @in, i64 0, i64 %64
  %66 = load i32, ptr %65, align 4, !tbaa !5
  %67 = call noundef i32 @_Z3sumi(i32 noundef %66)
  %68 = sext i32 %62 to i64
  %69 = getelementptr inbounds [100010 x i32], ptr @in, i64 0, i64 %68
  %70 = load i32, ptr %69, align 4, !tbaa !5
  %71 = call noundef i32 @_Z3sumi(i32 noundef %70)
  %72 = sub nsw i32 %67, %71
  %73 = getelementptr inbounds [100010 x i32], ptr @dep, i64 0, i64 %68
  %74 = load i32, ptr %73, align 4, !tbaa !5
  %75 = load i32, ptr %9, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = getelementptr inbounds [100010 x i32], ptr @dep, i64 0, i64 %76
  %78 = load i32, ptr %77, align 4, !tbaa !5
  %79 = sub nsw i32 %74, %78
  %80 = icmp eq i32 %72, %79
  br i1 %80, label %81, label %97

81:                                               ; preds = %.lr.ph29
  %82 = load i32, ptr %10, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [100010 x i32], ptr @in, i64 0, i64 %83
  %85 = load i32, ptr %84, align 4, !tbaa !5
  %86 = call noundef i32 @_Z3sumi(i32 noundef %85)
  %87 = load i32, ptr %69, align 4, !tbaa !5
  %88 = call noundef i32 @_Z3sumi(i32 noundef %87)
  %89 = sub nsw i32 %86, %88
  %90 = load i32, ptr %10, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = getelementptr inbounds [100010 x i32], ptr @dep, i64 0, i64 %91
  %93 = load i32, ptr %92, align 4, !tbaa !5
  %94 = load i32, ptr %73, align 4, !tbaa !5
  %95 = sub nsw i32 %93, %94
  %96 = icmp eq i32 %89, %95
  br i1 %96, label %98, label %97

97:                                               ; preds = %81, %.lr.ph29
  br label %98

98:                                               ; preds = %81, %97
  %.str.3.sink = phi ptr [ @.str.3, %97 ], [ @.str.2, %81 ]
  %99 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.str.3.sink)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  %100 = load i32, ptr @m, align 4, !tbaa !5
  %101 = add nsw i32 %100, -1
  store i32 %101, ptr @m, align 4, !tbaa !5
  %.not17 = icmp eq i32 %100, 0
  br i1 %.not17, label %._crit_edge30, label %.lr.ph29, !llvm.loop !13

._crit_edge30:                                    ; preds = %98, %._crit_edge26
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #5

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { 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 #6 = { nounwind }

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

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


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass