#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int i, z, n;
  printf("vyvedete n=");
  scanf("%d", &n);
  for (i = 0; i <= n; i++) {
    for (z = 0; z < n - i; z++) {
      printf(" ");
    }
    for (z = 0; z < 2 * i - 1; z++) {
      printf("o");
    }
    printf("\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
call   1030 <printf@plt>
lea    0xeca(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1040 <scanf@plt>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0x10(%rbp),%eax
jg     11df <main+0xbf>
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    -0x10(%rbp),%ecx
sub    -0x8(%rbp),%ecx
cmp    %ecx,%eax
jge    1190 <main+0x70>
lea    0xe92(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1165 <main+0x45>
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    -0x8(%rbp),%ecx
shl    $0x1,%ecx
sub    $0x1,%ecx
cmp    %ecx,%eax
jge    11c5 <main+0xa5>
lea    0xe5f(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1197 <main+0x77>
lea    0xe47(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1152 <main+0x32>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
lea    0xec2(%rip),%rdi
call   1040 <printf@plt>
lea    0xec2(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%eax
test   %eax,%eax
js     11e1 <main+0xb1>
xor    %r15d,%r15d
mov    $0xffffffff,%r14d
jmp    118e <main+0x5e>
nopl   0x0(%rax,%rax,1)
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0x1(%r15),%ecx
mov    0x4(%rsp),%eax
add    $0x2,%r14d
cmp    %eax,%r15d
mov    %ecx,%r15d
jge    11e1 <main+0xb1>
cmp    $0x2,%r14d
mov    $0x1,%ebp
cmovge %r14d,%ebp
cmp    %r15d,%eax
jle    11c8 <main+0x98>
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    $0x20,%edi
call   1030 <putchar@plt>
add    $0x1,%ebx
mov    0x4(%rsp),%eax
sub    %r15d,%eax
cmp    %eax,%ebx
jl     11b0 <main+0x80>
test   %r15d,%r15d
je     1170 <main+0x40>
nopl   (%rax)
mov    $0x6f,%edi
call   1030 <putchar@plt>
add    $0xffffffff,%ebp
jne    11d0 <main+0xa0>
jmp    1170 <main+0x40>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [12 x i8] c"vyvedete n=\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [2 x i8] c" \00"
@.str.3 = [2 x i8] c"o\00"
@.str.4 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %4)
store i32 0, i32* %2
br label %7
7: ; preds = %37, %0
%8 = load i32, i32* %2
%9 = load i32, i32* %4
%10 = icmp sle i32 %8, %9
br i1 %10, label %11, label %40
11: ; preds = %7
store i32 0, i32* %3
br label %12
12: ; preds = %20, %11
%13 = load i32, i32* %3
%14 = load i32, i32* %4
%15 = load i32, i32* %2
%16 = sub nsw i32 %14, %15
%17 = icmp slt i32 %13, %16
br i1 %17, label %18, label %23
18: ; preds = %12
%19 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
br label %20
20: ; preds = %18
%21 = load i32, i32* %3
%22 = add nsw i32 %21, 1
store i32 %22, i32* %3
br label %12
23: ; preds = %12
store i32 0, i32* %3
br label %24
24: ; preds = %32, %23
%25 = load i32, i32* %3
%26 = load i32, i32* %2
%27 = mul nsw i32 2, %26
%28 = sub nsw i32 %27, 1
%29 = icmp slt i32 %25, %28
br i1 %29, label %30, label %35
30: ; preds = %24
%31 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
br label %32
32: ; preds = %30
%33 = load i32, i32* %3
%34 = add nsw i32 %33, 1
store i32 %34, i32* %3
br label %24
35: ; preds = %24
%36 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
br label %37
37: ; preds = %35
%38 = load i32, i32* %2
%39 = add nsw i32 %38, 1
store i32 %39, i32* %2
br label %7
40: ; preds = %7
ret i32 0
}

LLVM IR (-O2):
@.str = [12 x i8] c"vyvedete n=\00"
@.str.1 = [3 x i8] c"%d\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = icmp slt i32 %5, 0
br i1 %6, label %33, label %7
7: ; preds = %0, %27
%8 = phi i32 [ %30, %27 ], [ %5, %0 ]
%9 = phi i32 [ %32, %27 ], [ -1, %0 ]
%10 = phi i32 [ %29, %27 ], [ 0, %0 ]
%11 = call i32 @llvm.smax.i32(i32 %9, i32 1)
%12 = icmp sgt i32 %8, %10
br i1 %12, label %15, label %13
13: ; preds = %15, %7
%14 = icmp eq i32 %10, 0
br i1 %14, label %27, label %22
15: ; preds = %7, %15
%16 = phi i32 [ %18, %15 ], [ 0, %7 ]
%17 = call i32 @putchar(i32 32)
%18 = add nuw nsw i32 %16, 1
%19 = load i32, i32* %1
%20 = sub nsw i32 %19, %10
%21 = icmp slt i32 %18, %20
br i1 %21, label %15, label %13
22: ; preds = %13, %22
%23 = phi i32 [ %25, %22 ], [ 0, %13 ]
%24 = call i32 @putchar(i32 111)
%25 = add nuw nsw i32 %23, 1
%26 = icmp eq i32 %25, %11
br i1 %26, label %27, label %22
27: ; preds = %22, %13
%28 = call i32 @putchar(i32 10)
%29 = add nuw nsw i32 %10, 1
%30 = load i32, i32* %1
%31 = icmp slt i32 %10, %30
%32 = add i32 %9, 2
br i1 %31, label %7, label %33
33: ; preds = %27, %0
ret i32 0
}