; LLVM IR from DionysiosB/CodeForces :: 1500-1599 (1593A-Elections)

; 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"

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i8, align 1
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %12

12:                                               ; preds = %92, %0
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = add nsw i64 %13, -1
  store i64 %14, ptr %2, align 8, !tbaa !5
  %15 = icmp ne i64 %13, 0
  br i1 %15, label %16, label %98

16:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = icmp sgt i64 %18, %19
  br i1 %20, label %21, label %23

21:                                               ; preds = %16
  %22 = load i64, ptr %3, align 8, !tbaa !5
  br label %25

23:                                               ; preds = %16
  %24 = load i64, ptr %4, align 8, !tbaa !5
  br label %25

25:                                               ; preds = %23, %21
  %26 = phi i64 [ %22, %21 ], [ %24, %23 ]
  store i64 %26, ptr %6, align 8, !tbaa !5
  %27 = load i64, ptr %6, align 8, !tbaa !5
  %28 = load i64, ptr %5, align 8, !tbaa !5
  %29 = icmp sgt i64 %27, %28
  br i1 %29, label %30, label %32

30:                                               ; preds = %25
  %31 = load i64, ptr %6, align 8, !tbaa !5
  br label %34

32:                                               ; preds = %25
  %33 = load i64, ptr %5, align 8, !tbaa !5
  br label %34

34:                                               ; preds = %32, %30
  %35 = phi i64 [ %31, %30 ], [ %33, %32 ]
  store i64 %35, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #3
  %36 = load i64, ptr %3, align 8, !tbaa !5
  %37 = load i64, ptr %6, align 8, !tbaa !5
  %38 = icmp eq i64 %36, %37
  %39 = zext i1 %38 to i32
  %40 = load i64, ptr %4, align 8, !tbaa !5
  %41 = load i64, ptr %6, align 8, !tbaa !5
  %42 = icmp eq i64 %40, %41
  %43 = zext i1 %42 to i32
  %44 = add nsw i32 %39, %43
  %45 = load i64, ptr %5, align 8, !tbaa !5
  %46 = load i64, ptr %6, align 8, !tbaa !5
  %47 = icmp eq i64 %45, %46
  %48 = zext i1 %47 to i32
  %49 = add nsw i32 %44, %48
  %50 = icmp sgt i32 %49, 1
  %51 = zext i1 %50 to i8
  store i8 %51, ptr %7, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %52 = load i64, ptr %3, align 8, !tbaa !5
  %53 = load i64, ptr %6, align 8, !tbaa !5
  %54 = icmp eq i64 %52, %53
  br i1 %54, label %55, label %59

55:                                               ; preds = %34
  %56 = load i8, ptr %7, align 1, !tbaa !9, !range !11, !noundef !12
  %57 = trunc i8 %56 to i1
  %58 = zext i1 %57 to i64
  br label %64

59:                                               ; preds = %34
  %60 = load i64, ptr %6, align 8, !tbaa !5
  %61 = add nsw i64 %60, 1
  %62 = load i64, ptr %3, align 8, !tbaa !5
  %63 = sub nsw i64 %61, %62
  br label %64

64:                                               ; preds = %59, %55
  %65 = phi i64 [ %58, %55 ], [ %63, %59 ]
  store i64 %65, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %66 = load i64, ptr %4, align 8, !tbaa !5
  %67 = load i64, ptr %6, align 8, !tbaa !5
  %68 = icmp eq i64 %66, %67
  br i1 %68, label %69, label %73

69:                                               ; preds = %64
  %70 = load i8, ptr %7, align 1, !tbaa !9, !range !11, !noundef !12
  %71 = trunc i8 %70 to i1
  %72 = zext i1 %71 to i64
  br label %78

73:                                               ; preds = %64
  %74 = load i64, ptr %6, align 8, !tbaa !5
  %75 = add nsw i64 %74, 1
  %76 = load i64, ptr %4, align 8, !tbaa !5
  %77 = sub nsw i64 %75, %76
  br label %78

78:                                               ; preds = %73, %69
  %79 = phi i64 [ %72, %69 ], [ %77, %73 ]
  store i64 %79, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %80 = load i64, ptr %5, align 8, !tbaa !5
  %81 = load i64, ptr %6, align 8, !tbaa !5
  %82 = icmp eq i64 %80, %81
  br i1 %82, label %83, label %87

83:                                               ; preds = %78
  %84 = load i8, ptr %7, align 1, !tbaa !9, !range !11, !noundef !12
  %85 = trunc i8 %84 to i1
  %86 = zext i1 %85 to i64
  br label %92

87:                                               ; preds = %78
  %88 = load i64, ptr %6, align 8, !tbaa !5
  %89 = add nsw i64 %88, 1
  %90 = load i64, ptr %5, align 8, !tbaa !5
  %91 = sub nsw i64 %89, %90
  br label %92

92:                                               ; preds = %87, %83
  %93 = phi i64 [ %86, %83 ], [ %91, %87 ]
  store i64 %93, ptr %10, align 8, !tbaa !5
  %94 = load i64, ptr %8, align 8, !tbaa !5
  %95 = load i64, ptr %9, align 8, !tbaa !5
  %96 = load i64, ptr %10, align 8, !tbaa !5
  %97 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %94, i64 noundef %95, i64 noundef %96)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %12, !llvm.loop !13

98:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %99 = load i32, ptr %1, align 4
  ret i32 %99
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

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

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

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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"

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = add nsw i64 %6, -1
  store i64 %7, ptr %1, align 8, !tbaa !5
  %.not22 = icmp eq i64 %6, 0
  br i1 %.not22, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4)
  %9 = load i64, ptr %2, align 8
  %10 = load i64, ptr %3, align 8
  %11 = call i64 @llvm.smax.i64(i64 %9, i64 %10)
  %12 = load i64, ptr %4, align 8
  %13 = call i64 @llvm.smax.i64(i64 %11, i64 %12)
  %14 = icmp eq i64 %9, %13
  %15 = zext i1 %14 to i32
  %16 = icmp eq i64 %10, %13
  %17 = zext i1 %16 to i32
  %18 = icmp sge i64 %12, %11
  %19 = zext i1 %18 to i32
  %20 = add nuw nsw i32 %17, %19
  %21 = add nuw nsw i32 %20, %15
  %22 = icmp ugt i32 %21, 1
  %23 = zext i1 %22 to i64
  %24 = add nsw i64 %13, 1
  %25 = sub nsw i64 %24, %9
  %26 = select i1 %14, i64 %23, i64 %25
  %27 = sub nsw i64 %24, %10
  %28 = select i1 %16, i64 %23, i64 %27
  %.not21 = icmp slt i64 %12, %11
  %29 = sub nsw i64 %24, %12
  %30 = select i1 %.not21, i64 %29, i64 %23
  %31 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %26, i64 noundef %28, i64 noundef %30)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %32 = load i64, ptr %1, align 8, !tbaa !5
  %33 = add nsw i64 %32, -1
  store i64 %33, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %32, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  ret i32 0
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #3

attributes #0 = { mustprogress nofree norecurse 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 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass