; LLVM IR from tangjz/acm-icpc :: codeforces/complete (932F)

; 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<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 }

@n = external dso_local global i32, align 4
@a = external dso_local global [100001 x i32], align 16
@b = external dso_local global [100001 x i32], align 16
@f = external dso_local global [100001 x i64], align 16
@e = external dso_local global [100001 x %"class.std::vector"], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsi(i32 noundef) #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 i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %19, %0
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = load i32, ptr @n, align 4, !tbaa !5
  %12 = icmp sle i32 %10, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %22

14:                                               ; preds = %9
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds i32, ptr @a, i64 %16
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %17)
  br label %19

19:                                               ; preds = %14
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %2, align 4, !tbaa !5
  br label %9, !llvm.loop !9

22:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %33, %22
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = load i32, ptr @n, align 4, !tbaa !5
  %26 = icmp sle i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %36

28:                                               ; preds = %23
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds i32, ptr @b, i64 %30
  %32 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %31)
  br label %33

33:                                               ; preds = %28
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %3, align 4, !tbaa !5
  br label %23, !llvm.loop !11

36:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 1, ptr %4, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %50, %36
  %38 = load i32, ptr %4, align 4, !tbaa !5
  %39 = load i32, ptr @n, align 4, !tbaa !5
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %42, label %41

41:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %53

42:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %43 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.4, ptr noundef %5, ptr noundef %6)
  %44 = load i32, ptr %5, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @e, i64 0, i64 %45
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %46, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %47 = load i32, ptr %6, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @e, i64 0, i64 %48
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %49, ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %50

50:                                               ; preds = %42
  %51 = load i32, ptr %4, align 4, !tbaa !5
  %52 = add nsw i32 %51, 1
  store i32 %52, ptr %4, align 4, !tbaa !5
  br label %37, !llvm.loop !12

53:                                               ; preds = %41
  call void @_Z3dfsi(i32 noundef 1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 1, ptr %7, align 4, !tbaa !5
  br label %54

54:                                               ; preds = %72, %53
  %55 = load i32, ptr %7, align 4, !tbaa !5
  %56 = load i32, ptr @n, align 4, !tbaa !5
  %57 = icmp sle i32 %55, %56
  br i1 %57, label %59, label %58

58:                                               ; preds = %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %75

59:                                               ; preds = %54
  %60 = load i32, ptr %7, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [100001 x i64], ptr @f, i64 0, i64 %61
  %63 = load i64, ptr %62, align 8, !tbaa !13
  %64 = load i32, ptr %7, align 4, !tbaa !5
  %65 = load i32, ptr @n, align 4, !tbaa !5
  %66 = icmp eq i32 %64, %65
  %67 = zext i1 %66 to i64
  %68 = getelementptr inbounds [3 x i8], ptr @.str.6, i64 0, i64 %67
  %69 = load i8, ptr %68, align 1, !tbaa !15
  %70 = sext i8 %69 to i32
  %71 = call i32 (ptr, ...) @printf(ptr noundef @.str.5, i64 noundef %63, i32 noundef %70)
  br label %72

72:                                               ; preds = %59
  %73 = load i32, ptr %7, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %7, align 4, !tbaa !5
  br label %54, !llvm.loop !16

75:                                               ; preds = %58
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

declare i32 @printf(ptr noundef, ...) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 = !{!14, !14, i64 0}
!14 = !{!"long long", !7, i64 0}
!15 = !{!7, !7, i64 0}
!16 = distinct !{!16, !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<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 }

@n = external dso_local global i32, align 4
@a = external dso_local global [100001 x i32], align 16
@b = external dso_local global [100001 x i32], align 16
@f = external dso_local local_unnamed_addr global [100001 x i64], align 16
@e = external dso_local global [100001 x %"class.std::vector"], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsi(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n)
  %4 = load i32, ptr @n, align 4, !tbaa !5
  %.not19 = icmp slt i32 %4, 1
  br i1 %.not19, label %._crit_edge, label %.lr.ph

.preheader18:                                     ; preds = %.lr.ph
  %5 = icmp slt i32 %8, 1
  br i1 %5, label %._crit_edge, label %.lr.ph23

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %0 ]
  %6 = getelementptr inbounds i32, ptr @a, i64 %indvars.iv
  %7 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %6)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %8 = load i32, ptr @n, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %.not.not = icmp slt i64 %indvars.iv, %9
  br i1 %.not.not, label %.lr.ph, label %.preheader18, !llvm.loop !9

.preheader:                                       ; preds = %.lr.ph23
  %10 = icmp sgt i32 %13, 1
  br i1 %10, label %.lr.ph25, label %._crit_edge

.lr.ph23:                                         ; preds = %.preheader18, %.lr.ph23
  %indvars.iv32 = phi i64 [ %indvars.iv.next33, %.lr.ph23 ], [ 1, %.preheader18 ]
  %11 = getelementptr inbounds i32, ptr @b, i64 %indvars.iv32
  %12 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %11)
  %indvars.iv.next33 = add nuw nsw i64 %indvars.iv32, 1
  %13 = load i32, ptr @n, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %.not16.not = icmp slt i64 %indvars.iv32, %14
  br i1 %.not16.not, label %.lr.ph23, label %.preheader, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph25, %0, %.preheader18, %.preheader
  call void @_Z3dfsi(i32 noundef 1)
  %15 = load i32, ptr @n, align 4, !tbaa !5
  %.not1726 = icmp slt i32 %15, 1
  br i1 %.not1726, label %._crit_edge30, label %.lr.ph29

.lr.ph25:                                         ; preds = %.preheader, %.lr.ph25
  %.01224 = phi i32 [ %23, %.lr.ph25 ], [ 1, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.4, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @e, i64 0, i64 %18
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %19, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [100001 x %"class.std::vector"], ptr @e, i64 0, i64 %21
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  %23 = add nuw nsw i32 %.01224, 1
  %24 = load i32, ptr @n, align 4, !tbaa !5
  %25 = icmp slt i32 %23, %24
  br i1 %25, label %.lr.ph25, label %._crit_edge, !llvm.loop !12

._crit_edge30:                                    ; preds = %.lr.ph29, %._crit_edge
  ret i32 0

.lr.ph29:                                         ; preds = %._crit_edge, %.lr.ph29
  %indvars.iv35 = phi i64 [ %indvars.iv.next36, %.lr.ph29 ], [ 1, %._crit_edge ]
  %26 = phi i32 [ %36, %.lr.ph29 ], [ %15, %._crit_edge ]
  %27 = getelementptr inbounds [100001 x i64], ptr @f, i64 0, i64 %indvars.iv35
  %28 = load i64, ptr %27, align 8, !tbaa !13
  %29 = zext i32 %26 to i64
  %30 = icmp eq i64 %indvars.iv35, %29
  %31 = zext i1 %30 to i64
  %32 = getelementptr inbounds [3 x i8], ptr @.str.6, i64 0, i64 %31
  %33 = load i8, ptr %32, align 1, !tbaa !15
  %34 = sext i8 %33 to i32
  %35 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5, i64 noundef %28, i32 noundef %34)
  %indvars.iv.next36 = add nuw nsw i64 %indvars.iv35, 1
  %36 = load i32, ptr @n, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %.not17.not = icmp slt i64 %indvars.iv35, %37
  br i1 %.not17.not, label %.lr.ph29, label %._crit_edge30, !llvm.loop !16
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; 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 #1 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 #4 = { 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 = !{!14, !14, i64 0}
!14 = !{!"long long", !7, i64 0}
!15 = !{!7, !7, i64 0}
!16 = distinct !{!16, !10}


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