; LLVM IR from Izaron/ACM-ICPC :: Timus Online Judge/Volume 11/2019. Pair: normal and paranormal (main)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@n = external dso_local global i32, align 4
@_Z1sB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@vec = external dso_local global %"class.std::vector", align 8
@pos = external dso_local global %"class.std::vector.0", align 8
@ans = external dso_local global [100005 x i32], align 16
@num = external dso_local global [100005 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z7contactii(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: 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 noundef i64 @_ZNKSt6vectorIcSaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11)
  %8 = load i32, ptr @n, align 4, !tbaa !5
  %9 = mul nsw i32 %8, 2
  store i32 %9, ptr @n, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 1, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %41, %0
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11) #6
  %14 = icmp ult i64 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %44

16:                                               ; preds = %10
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %18)
  call void @_ZNSt6vectorIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(24) @vec, ptr noundef nonnull align 1 dereferenceable(1) %19)
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @pos, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %20 = load i32, ptr %3, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %21)
  %23 = load i8, ptr %22, align 1, !tbaa !9
  %24 = sext i8 %23 to i32
  %25 = icmp sge i32 %24, 97
  br i1 %25, label %26, label %40

26:                                               ; preds = %16
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %28)
  %30 = load i8, ptr %29, align 1, !tbaa !9
  %31 = sext i8 %30 to i32
  %32 = icmp sle i32 %31, 122
  br i1 %32, label %33, label %40

33:                                               ; preds = %26
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [100005 x i32], ptr @num, i64 0, i64 %36
  store i32 %34, ptr %37, align 4, !tbaa !5
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %2, align 4, !tbaa !5
  br label %40

40:                                               ; preds = %33, %26, %16
  br label %41

41:                                               ; preds = %40
  %42 = load i32, ptr %3, align 4, !tbaa !5
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %3, align 4, !tbaa !5
  br label %10, !llvm.loop !10

44:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %59, %44
  %46 = load i32, ptr %4, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = call noundef i64 @_ZNKSt6vectorIcSaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @vec) #6
  %49 = icmp ult i64 %47, %48
  br i1 %49, label %51, label %50

50:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %62

51:                                               ; preds = %45
  %52 = load i32, ptr %4, align 4, !tbaa !5
  %53 = load i32, ptr %4, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  %55 = call noundef zeroext i1 @_Z7contactii(i32 noundef %52, i32 noundef %54)
  br i1 %55, label %56, label %58

56:                                               ; preds = %51
  %57 = load i32, ptr %4, align 4, !tbaa !5
  call void @_Z3dfsi(i32 noundef %57)
  store i32 -1, ptr %4, align 4, !tbaa !5
  br label %58

58:                                               ; preds = %56, %51
  br label %59

59:                                               ; preds = %58
  %60 = load i32, ptr %4, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %4, align 4, !tbaa !5
  br label %45, !llvm.loop !12

62:                                               ; preds = %50
  %63 = call noundef i64 @_ZNKSt6vectorIcSaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @vec) #6
  %64 = icmp ne i64 %63, 0
  br i1 %64, label %65, label %67

65:                                               ; preds = %62
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %102

67:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %68

68:                                               ; preds = %98, %67
  %69 = load i32, ptr %5, align 4, !tbaa !5
  %70 = load i32, ptr @n, align 4, !tbaa !5
  %71 = icmp slt i32 %69, %70
  br i1 %71, label %73, label %72

72:                                               ; preds = %68
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %101

73:                                               ; preds = %68
  %74 = load i32, ptr %5, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %75)
  %77 = load i8, ptr %76, align 1, !tbaa !9
  %78 = sext i8 %77 to i32
  %79 = icmp sge i32 %78, 65
  br i1 %79, label %80, label %97

80:                                               ; preds = %73
  %81 = load i32, ptr %5, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %82)
  %84 = load i8, ptr %83, align 1, !tbaa !9
  %85 = sext i8 %84 to i32
  %86 = icmp sle i32 %85, 90
  br i1 %86, label %87, label %97

87:                                               ; preds = %80
  %88 = load i32, ptr %5, align 4, !tbaa !5
  %89 = sext i32 %88 to i64
  %90 = getelementptr inbounds [100005 x i32], ptr @ans, i64 0, i64 %89
  %91 = load i32, ptr %90, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [100005 x i32], ptr @num, i64 0, i64 %92
  %94 = load i32, ptr %93, align 4, !tbaa !5
  %95 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %94)
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %95, ptr noundef @.str.4)
  br label %97

97:                                               ; preds = %87, %80, %73
  br label %98

98:                                               ; preds = %97
  %99 = load i32, ptr %5, align 4, !tbaa !5
  %100 = add nsw i32 %99, 1
  store i32 %100, ptr %5, align 4, !tbaa !5
  br label %68, !llvm.loop !13

101:                                              ; preds = %72
  br label %102

102:                                              ; preds = %101, %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %103 = load i32, ptr %1, align 4
  ret i32 %103
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #4

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

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 = { 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 #4 = { "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 = { 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 #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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@n = external dso_local global i32, align 4
@_Z1sB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@vec = external dso_local global %"class.std::vector", align 8
@pos = external dso_local global %"class.std::vector.0", align 8
@ans = external dso_local local_unnamed_addr global [100005 x i32], align 16
@num = external dso_local local_unnamed_addr global [100005 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z7contactii(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 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 noundef i64 @_ZNKSt6vectorIcSaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %3 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11)
  %4 = load i32, ptr @n, align 4, !tbaa !5
  %5 = shl nsw i32 %4, 1
  store i32 %5, ptr @n, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  store i32 0, ptr %1, align 4, !tbaa !5
  %6 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11) #6
  %.not23 = icmp eq i64 %6, 0
  br i1 %.not23, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %25, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %7 = call noundef i64 @_ZNKSt6vectorIcSaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @vec) #6
  %.not24 = icmp eq i64 %7, 0
  br i1 %.not24, label %._crit_edge20, label %.lr.ph19

.lr.ph:                                           ; preds = %0, %25
  %.01416 = phi i32 [ %.115, %25 ], [ 1, %0 ]
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %10 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %9)
  call void @_ZNSt6vectorIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(24) @vec, ptr noundef nonnull align 1 dereferenceable(1) %10)
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @pos, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %12)
  %14 = load i8, ptr %13, align 1, !tbaa !9
  %15 = icmp sgt i8 %14, 96
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br i1 %15, label %16, label %25

16:                                               ; preds = %.lr.ph
  %17 = sext i32 %.pre to i64
  %18 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %17)
  %19 = load i8, ptr %18, align 1, !tbaa !9
  %20 = icmp slt i8 %19, 123
  %.pre26 = load i32, ptr %1, align 4, !tbaa !5
  br i1 %20, label %21, label %25

21:                                               ; preds = %16
  %22 = sext i32 %.pre26 to i64
  %23 = getelementptr inbounds [100005 x i32], ptr @num, i64 0, i64 %22
  store i32 %.01416, ptr %23, align 4, !tbaa !5
  %24 = add nsw i32 %.01416, 1
  br label %25

25:                                               ; preds = %.lr.ph, %16, %21
  %26 = phi i32 [ %.pre26, %21 ], [ %.pre26, %16 ], [ %.pre, %.lr.ph ]
  %.115 = phi i32 [ %24, %21 ], [ %.01416, %16 ], [ %.01416, %.lr.ph ]
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %1, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11) #6
  %30 = icmp ugt i64 %29, %28
  br i1 %30, label %.lr.ph, label %._crit_edge, !llvm.loop !10

._crit_edge20:                                    ; preds = %37, %._crit_edge
  %31 = call noundef i64 @_ZNKSt6vectorIcSaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @vec) #6
  %.not = icmp eq i64 %31, 0
  br i1 %.not, label %.preheader, label %42

.preheader:                                       ; preds = %._crit_edge20
  %32 = load i32, ptr @n, align 4, !tbaa !5
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %.lr.ph22, label %.loopexit

.lr.ph19:                                         ; preds = %._crit_edge, %37
  %.01317 = phi i32 [ %38, %37 ], [ 0, %._crit_edge ]
  %34 = add nsw i32 %.01317, 1
  %35 = call noundef zeroext i1 @_Z7contactii(i32 noundef %.01317, i32 noundef %34)
  br i1 %35, label %36, label %37

36:                                               ; preds = %.lr.ph19
  call void @_Z3dfsi(i32 noundef %.01317)
  br label %37

37:                                               ; preds = %.lr.ph19, %36
  %.1 = phi i32 [ -1, %36 ], [ %.01317, %.lr.ph19 ]
  %38 = add nsw i32 %.1, 1
  %39 = sext i32 %38 to i64
  %40 = call noundef i64 @_ZNKSt6vectorIcSaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @vec) #6
  %41 = icmp ugt i64 %40, %39
  br i1 %41, label %.lr.ph19, label %._crit_edge20, !llvm.loop !12

42:                                               ; preds = %._crit_edge20
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  br label %.loopexit

.lr.ph22:                                         ; preds = %.preheader, %59
  %indvars.iv = phi i64 [ %indvars.iv.next, %59 ], [ 0, %.preheader ]
  %44 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %indvars.iv)
  %45 = load i8, ptr %44, align 1, !tbaa !9
  %46 = icmp sgt i8 %45, 64
  br i1 %46, label %47, label %59

47:                                               ; preds = %.lr.ph22
  %48 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %indvars.iv)
  %49 = load i8, ptr %48, align 1, !tbaa !9
  %50 = icmp slt i8 %49, 91
  br i1 %50, label %51, label %59

51:                                               ; preds = %47
  %52 = getelementptr inbounds [100005 x i32], ptr @ans, i64 0, i64 %indvars.iv
  %53 = load i32, ptr %52, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [100005 x i32], ptr @num, i64 0, i64 %54
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %56)
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef nonnull @.str.4)
  br label %59

59:                                               ; preds = %.lr.ph22, %47, %51
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %60 = load i32, ptr @n, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = icmp slt i64 %indvars.iv.next, %61
  br i1 %62, label %.lr.ph22, label %.loopexit, !llvm.loop !13

.loopexit:                                        ; preds = %59, %.preheader, %42
  ret i32 0
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

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 #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

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 = { 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 #4 = { "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 = { 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 #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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


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