#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*/ getchar();
int /*<<< orphan*/ putchar(char);
int /*<<< orphan*/ scanf(char *, int *);
void main() {
  int n, i, j;
  scanf("%d", &n);
  for (i = 1; i <= n; i++) {
    for (j = 1; j <= n - i; j++)
      putchar(' ');
    for (j = 1; j <= 2 * i - 1; j++)
      putchar('*');
    putchar('\n');
  }
  getchar();
  getchar();
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xec1(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1050 <scanf@plt>
movl   $0x1,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0x4(%rbp),%eax
jg     11d6 <main+0xa6>
movl   $0x1,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    -0x4(%rbp),%ecx
sub    -0x8(%rbp),%ecx
cmp    %ecx,%eax
jg     118b <main+0x5b>
mov    $0x20,%edi
call   1030 <putchar@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1162 <main+0x32>
movl   $0x1,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    -0x8(%rbp),%ecx
shl    $0x1,%ecx
sub    $0x1,%ecx
cmp    %ecx,%eax
jg     11be <main+0x8e>
mov    $0x2a,%edi
call   1030 <putchar@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1192 <main+0x62>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    114f <main+0x1f>
mov    $0x0,%al
call   1040 <getchar@plt>
mov    $0x0,%al
call   1040 <getchar@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xec1(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%eax
test   %eax,%eax
jle    11ba <main+0x8a>
mov    $0x1,%r14d
mov    $0x1,%ebx
nopl   0x0(%rax)
cmp    %ebx,%eax
jle    1187 <main+0x57>
xor    %ebp,%ebp
cs nopw 0x0(%rax,%rax,1)
mov    $0x20,%edi
call   1030 <putchar@plt>
mov    0xc(%rsp),%eax
sub    %ebx,%eax
add    $0x1,%ebp
cmp    %eax,%ebp
jl     1170 <main+0x40>
mov    %r14d,%ebp
nopw   0x0(%rax,%rax,1)
mov    $0x2a,%edi
call   1030 <putchar@plt>
add    $0xffffffff,%ebp
jne    1190 <main+0x60>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0x1(%rbx),%ecx
mov    0xc(%rsp),%eax
add    $0x2,%r14d
cmp    %eax,%ebx
mov    %ecx,%ebx
jl     1160 <main+0x30>
xor    %eax,%eax
call   1040 <getchar@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
define void @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
store i32 1, i32* %2
br label %5
5: ; preds = %35, %0
%6 = load i32, i32* %2
%7 = load i32, i32* %1
%8 = icmp sle i32 %6, %7
br i1 %8, label %9, label %38
9: ; preds = %5
store i32 1, i32* %3
br label %10
10: ; preds = %18, %9
%11 = load i32, i32* %3
%12 = load i32, i32* %1
%13 = load i32, i32* %2
%14 = sub nsw i32 %12, %13
%15 = icmp sle i32 %11, %14
br i1 %15, label %16, label %21
16: ; preds = %10
%17 = call i32 @putchar(i8 signext 32)
br label %18
18: ; preds = %16
%19 = load i32, i32* %3
%20 = add nsw i32 %19, 1
store i32 %20, i32* %3
br label %10
21: ; preds = %10
store i32 1, i32* %3
br label %22
22: ; preds = %30, %21
%23 = load i32, i32* %3
%24 = load i32, i32* %2
%25 = mul nsw i32 2, %24
%26 = sub nsw i32 %25, 1
%27 = icmp sle i32 %23, %26
br i1 %27, label %28, label %33
28: ; preds = %22
%29 = call i32 @putchar(i8 signext 42)
br label %30
30: ; preds = %28
%31 = load i32, i32* %3
%32 = add nsw i32 %31, 1
store i32 %32, i32* %3
br label %22
33: ; preds = %22
%34 = call i32 @putchar(i8 signext 10)
br label %35
35: ; preds = %33
%36 = load i32, i32* %2
%37 = add nsw i32 %36, 1
store i32 %37, i32* %2
br label %5
38: ; preds = %5
%39 = call i32 (...) @getchar()
%40 = call i32 (...) @getchar()
ret void
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
define void @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
%5 = icmp slt i32 %4, 1
br i1 %5, label %30, label %6
6: ; preds = %0, %24
%7 = phi i32 [ %27, %24 ], [ %4, %0 ]
%8 = phi i32 [ %29, %24 ], [ 2, %0 ]
%9 = phi i32 [ %26, %24 ], [ 1, %0 ]
%10 = icmp sgt i32 %7, %9
br i1 %10, label %11, label %18
11: ; preds = %6, %11
%12 = phi i32 [ %14, %11 ], [ 1, %6 ]
%13 = call i32 @putchar(i8 signext 32)
%14 = add nuw nsw i32 %12, 1
%15 = load i32, i32* %1
%16 = sub nsw i32 %15, %9
%17 = icmp slt i32 %12, %16
br i1 %17, label %11, label %18
18: ; preds = %11, %6
br label %19
19: ; preds = %18, %19
%20 = phi i32 [ %22, %19 ], [ 1, %18 ]
%21 = call i32 @putchar(i8 signext 42)
%22 = add nuw i32 %20, 1
%23 = icmp eq i32 %22, %8
br i1 %23, label %24, label %19
24: ; preds = %19
%25 = call i32 @putchar(i8 signext 10)
%26 = add nuw nsw i32 %9, 1
%27 = load i32, i32* %1
%28 = icmp slt i32 %9, %27
%29 = add i32 %8, 2
br i1 %28, label %6, label %30
30: ; preds = %24, %0
%31 = call i32 (...) @getchar()
%32 = call i32 (...) @getchar()
ret void
}