; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/0911_ARC061 (D)

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"struct.std::pair" = type { i32, i32 }
%"struct.std::pair.0" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@S = external dso_local global %"class.std::set", align 8
@H = external dso_local global i64, align 8
@W = external dso_local global i64, align 8
@N = external dso_local global i32, align 4
@ans = external dso_local global [10 x i64], align 16
@a = external dso_local global [100010 x i32], align 16
@b = external dso_local global [100010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4calcii(i32 noundef, 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: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #0

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"struct.std::pair", align 4
  %4 = alloca %"struct.std::pair.0", align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @H)
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 8 dereferenceable(8) @W)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %52, %0
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = load i32, ptr @N, align 4, !tbaa !5
  %19 = icmp slt i32 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %55

21:                                               ; preds = %16
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %23
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %24)
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [100010 x i32], ptr @b, i64 0, i64 %27
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 4 dereferenceable(4) %28)
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %31
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = add nsw i32 %33, -1
  store i32 %34, ptr %32, align 4, !tbaa !5
  %35 = load i32, ptr %2, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [100010 x i32], ptr @b, i64 0, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %37, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %40 = load i32, ptr %2, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %41
  %43 = load i32, ptr %2, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [100010 x i32], ptr @b, i64 0, i64 %44
  %46 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %42, ptr noundef nonnull align 4 dereferenceable(4) %45)
  store i64 %46, ptr %3, align 4
  %47 = call { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @S, ptr noundef nonnull align 4 dereferenceable(8) %3)
  %48 = getelementptr inbounds { ptr, i8 }, ptr %4, i32 0, i32 0
  %49 = extractvalue { ptr, i8 } %47, 0
  store ptr %49, ptr %48, align 8
  %50 = getelementptr inbounds { ptr, i8 }, ptr %4, i32 0, i32 1
  %51 = extractvalue { ptr, i8 } %47, 1
  store i8 %51, ptr %50, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br label %52

52:                                               ; preds = %21
  %53 = load i32, ptr %2, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %2, align 4, !tbaa !5
  br label %16, !llvm.loop !9

55:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @_ZSt4fillIPxiEvT_S1_RKT0_(ptr noundef @ans, ptr noundef getelementptr inbounds (i64, ptr @ans, i64 10), ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %100, %55
  %57 = load i32, ptr %6, align 4, !tbaa !5
  %58 = load i32, ptr @N, align 4, !tbaa !5
  %59 = icmp slt i32 %57, %58
  br i1 %59, label %61, label %60

60:                                               ; preds = %56
  store i32 5, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %103

61:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %62 = load i32, ptr %6, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %63
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = sub nsw i32 %65, 2
  store i32 %66, ptr %8, align 4, !tbaa !5
  br label %67

67:                                               ; preds = %96, %61
  %68 = load i32, ptr %8, align 4, !tbaa !5
  %69 = load i32, ptr %6, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %70
  %72 = load i32, ptr %71, align 4, !tbaa !5
  %73 = icmp sle i32 %68, %72
  br i1 %73, label %75, label %74

74:                                               ; preds = %67
  store i32 8, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %99

75:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  %76 = load i32, ptr %6, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds [100010 x i32], ptr @b, i64 0, i64 %77
  %79 = load i32, ptr %78, align 4, !tbaa !5
  %80 = sub nsw i32 %79, 2
  store i32 %80, ptr %9, align 4, !tbaa !5
  br label %81

81:                                               ; preds = %92, %75
  %82 = load i32, ptr %9, align 4, !tbaa !5
  %83 = load i32, ptr %6, align 4, !tbaa !5
  %84 = sext i32 %83 to i64
  %85 = getelementptr inbounds [100010 x i32], ptr @b, i64 0, i64 %84
  %86 = load i32, ptr %85, align 4, !tbaa !5
  %87 = icmp sle i32 %82, %86
  br i1 %87, label %89, label %88

88:                                               ; preds = %81
  store i32 11, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %95

89:                                               ; preds = %81
  %90 = load i32, ptr %8, align 4, !tbaa !5
  %91 = load i32, ptr %9, align 4, !tbaa !5
  call void @_Z4calcii(i32 noundef %90, i32 noundef %91)
  br label %92

92:                                               ; preds = %89
  %93 = load i32, ptr %9, align 4, !tbaa !5
  %94 = add nsw i32 %93, 1
  store i32 %94, ptr %9, align 4, !tbaa !5
  br label %81, !llvm.loop !11

95:                                               ; preds = %88
  br label %96

96:                                               ; preds = %95
  %97 = load i32, ptr %8, align 4, !tbaa !5
  %98 = add nsw i32 %97, 1
  store i32 %98, ptr %8, align 4, !tbaa !5
  br label %67, !llvm.loop !12

99:                                               ; preds = %74
  br label %100

100:                                              ; preds = %99
  %101 = load i32, ptr %6, align 4, !tbaa !5
  %102 = add nsw i32 %101, 1
  store i32 %102, ptr %6, align 4, !tbaa !5
  br label %56, !llvm.loop !13

103:                                              ; preds = %60
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %104 = load i64, ptr @H, align 8, !tbaa !14
  %105 = sub nsw i64 %104, 2
  %106 = load i64, ptr @W, align 8, !tbaa !14
  %107 = sub nsw i64 %106, 2
  %108 = mul nsw i64 %105, %107
  store i64 %108, ptr %10, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 1, ptr %11, align 4, !tbaa !5
  br label %109

109:                                              ; preds = %123, %103
  %110 = load i32, ptr %11, align 4, !tbaa !5
  %111 = icmp slt i32 %110, 10
  br i1 %111, label %113, label %112

112:                                              ; preds = %109
  store i32 14, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %126

113:                                              ; preds = %109
  %114 = load i32, ptr %11, align 4, !tbaa !5
  %115 = sext i32 %114 to i64
  %116 = getelementptr inbounds [10 x i64], ptr @ans, i64 0, i64 %115
  %117 = load i64, ptr %116, align 8, !tbaa !14
  %118 = load i32, ptr %11, align 4, !tbaa !5
  %119 = sext i32 %118 to i64
  %120 = sdiv i64 %117, %119
  %121 = load i64, ptr %10, align 8, !tbaa !14
  %122 = sub nsw i64 %121, %120
  store i64 %122, ptr %10, align 8, !tbaa !14
  br label %123

123:                                              ; preds = %113
  %124 = load i32, ptr %11, align 4, !tbaa !5
  %125 = add nsw i32 %124, 1
  store i32 %125, ptr %11, align 4, !tbaa !5
  br label %109, !llvm.loop !16

126:                                              ; preds = %112
  %127 = load i64, ptr %10, align 8, !tbaa !14
  %128 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %127)
  %129 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %128, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 1, ptr %12, align 4, !tbaa !5
  br label %130

130:                                              ; preds = %144, %126
  %131 = load i32, ptr %12, align 4, !tbaa !5
  %132 = icmp slt i32 %131, 10
  br i1 %132, label %134, label %133

133:                                              ; preds = %130
  store i32 17, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %147

134:                                              ; preds = %130
  %135 = load i32, ptr %12, align 4, !tbaa !5
  %136 = sext i32 %135 to i64
  %137 = getelementptr inbounds [10 x i64], ptr @ans, i64 0, i64 %136
  %138 = load i64, ptr %137, align 8, !tbaa !14
  %139 = load i32, ptr %12, align 4, !tbaa !5
  %140 = sext i32 %139 to i64
  %141 = sdiv i64 %138, %140
  %142 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %141)
  %143 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %142, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %144

144:                                              ; preds = %134
  %145 = load i32, ptr %12, align 4, !tbaa !5
  %146 = add nsw i32 %145, 1
  store i32 %146, ptr %12, align 4, !tbaa !5
  br label %130, !llvm.loop !17

147:                                              ; preds = %133
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  %148 = load i32, ptr %1, align 4
  ret i32 %148
}

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPxiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = !{!15, !15, i64 0}
!15 = !{!"long long", !7, i64 0}
!16 = distinct !{!16, !10}
!17 = distinct !{!17, !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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"struct.std::pair" = type { i32, i32 }

@S = external dso_local global %"class.std::set", align 8
@H = external dso_local global i64, align 8
@W = external dso_local global i64, align 8
@N = external dso_local global i32, align 4
@ans = external dso_local global [10 x i64], align 16
@a = external dso_local global [100010 x i32], align 16
@b = external dso_local global [100010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4calcii(i32 noundef, 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 uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__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 #0

; 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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca %"struct.std::pair", align 8
  %2 = alloca i32, align 4
  %3 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @H)
  %4 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(8) @W)
  %5 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 4 dereferenceable(4) @N)
  %6 = load i32, ptr @N, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @_ZSt4fillIPxiEvT_S1_RKT0_(ptr noundef nonnull @ans, ptr noundef nonnull getelementptr inbounds (i8, ptr @ans, i64 80), ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  %8 = load i32, ptr @N, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph47, label %._crit_edge52

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %10 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %indvars.iv
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %12 = getelementptr inbounds [100010 x i32], ptr @b, i64 0, i64 %indvars.iv
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(4) %12)
  %14 = load i32, ptr %10, align 4, !tbaa !5
  %15 = add nsw i32 %14, -1
  store i32 %15, ptr %10, align 4, !tbaa !5
  %16 = load i32, ptr %12, align 4, !tbaa !5
  %17 = add nsw i32 %16, -1
  store i32 %17, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %18 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %12)
  store i64 %18, ptr %1, align 8
  %19 = call { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @S, ptr noundef nonnull align 4 dereferenceable(8) %1)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %20 = load i32, ptr @N, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = icmp slt i64 %indvars.iv.next, %21
  br i1 %22, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge52:                                    ; preds = %._crit_edge48, %._crit_edge
  %23 = load i64, ptr @H, align 8, !tbaa !11
  %24 = add nsw i64 %23, -2
  %25 = load i64, ptr @W, align 8, !tbaa !11
  %26 = add nsw i64 %25, -2
  %27 = mul nsw i64 %26, %24
  %28 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 8), align 8, !tbaa !11
  %29 = sub nsw i64 %27, %28
  %30 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 16), align 16, !tbaa !11
  %.neg = sdiv i64 %30, -2
  %31 = add i64 %.neg, %29
  %32 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 24), align 8, !tbaa !11
  %.neg68 = sdiv i64 %32, -3
  %33 = add i64 %.neg68, %31
  %34 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 32), align 16, !tbaa !11
  %.neg69 = sdiv i64 %34, -4
  %35 = add i64 %.neg69, %33
  %36 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 40), align 8, !tbaa !11
  %.neg70 = sdiv i64 %36, -5
  %37 = add i64 %.neg70, %35
  %38 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 48), align 16, !tbaa !11
  %.neg71 = sdiv i64 %38, -6
  %39 = add i64 %.neg71, %37
  %40 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 56), align 8, !tbaa !11
  %.neg72 = sdiv i64 %40, -7
  %41 = add i64 %.neg72, %39
  %42 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 64), align 16, !tbaa !11
  %.neg73 = sdiv i64 %42, -8
  %43 = add i64 %.neg73, %41
  %44 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 72), align 8, !tbaa !11
  %.neg74 = sdiv i64 %44, -9
  %45 = add i64 %.neg74, %43
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %45)
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %46, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %48 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 8), align 8, !tbaa !11
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %48)
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %51 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 16), align 16, !tbaa !11
  %52 = sdiv i64 %51, 2
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %52)
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %53, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %55 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 24), align 8, !tbaa !11
  %56 = sdiv i64 %55, 3
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %56)
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %59 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 32), align 16, !tbaa !11
  %60 = sdiv i64 %59, 4
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %60)
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %61, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %63 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 40), align 8, !tbaa !11
  %64 = sdiv i64 %63, 5
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %64)
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %65, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %67 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 48), align 16, !tbaa !11
  %68 = sdiv i64 %67, 6
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %68)
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %69, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %71 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 56), align 8, !tbaa !11
  %72 = sdiv i64 %71, 7
  %73 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %72)
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %73, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %75 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 64), align 16, !tbaa !11
  %76 = sdiv i64 %75, 8
  %77 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %76)
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %77, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %79 = load i64, ptr getelementptr inbounds (i8, ptr @ans, i64 72), align 8, !tbaa !11
  %80 = sdiv i64 %79, 9
  %81 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %80)
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %81, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  ret i32 0

.lr.ph47:                                         ; preds = %._crit_edge, %._crit_edge48
  %indvars.iv57 = phi i64 [ %indvars.iv.next58, %._crit_edge48 ], [ 0, %._crit_edge ]
  %83 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %indvars.iv57
  %84 = load i32, ptr %83, align 4, !tbaa !5
  %85 = add nsw i32 %84, -2
  %86 = getelementptr inbounds [100010 x i32], ptr @b, i64 0, i64 %indvars.iv57
  %.pre = load i32, ptr %86, align 4, !tbaa !5
  br label %.lr.ph42.preheader

._crit_edge48:                                    ; preds = %._crit_edge43
  %.pre67 = load i32, ptr @N, align 4, !tbaa !5
  %indvars.iv.next58 = add nuw nsw i64 %indvars.iv57, 1
  %87 = sext i32 %.pre67 to i64
  %88 = icmp slt i64 %indvars.iv.next58, %87
  br i1 %88, label %.lr.ph47, label %._crit_edge52, !llvm.loop !13

.lr.ph42.preheader:                               ; preds = %._crit_edge43, %.lr.ph47
  %89 = phi i32 [ %.pre, %.lr.ph47 ], [ %93, %._crit_edge43 ]
  %.03445 = phi i32 [ %85, %.lr.ph47 ], [ %91, %._crit_edge43 ]
  %90 = add nsw i32 %89, -2
  br label %.lr.ph42

._crit_edge43:                                    ; preds = %.lr.ph42
  %.pre66 = load i32, ptr %83, align 4, !tbaa !5
  %91 = add nsw i32 %.03445, 1
  %.not.not = icmp slt i32 %.03445, %.pre66
  br i1 %.not.not, label %.lr.ph42.preheader, label %._crit_edge48, !llvm.loop !14

.lr.ph42:                                         ; preds = %.lr.ph42.preheader, %.lr.ph42
  %.03340 = phi i32 [ %92, %.lr.ph42 ], [ %90, %.lr.ph42.preheader ]
  call void @_Z4calcii(i32 noundef %.03445, i32 noundef %.03340)
  %92 = add nsw i32 %.03340, 1
  %93 = load i32, ptr %86, align 4, !tbaa !5
  %.not37.not = icmp slt i32 %.03340, %93
  br i1 %.not37.not, label %.lr.ph42, label %._crit_edge43, !llvm.loop !15
}

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPxiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


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