#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 n, i, j;
  scanf("%d", &n);
  for (i = 0; i < n; ++i) {
    for (j = i; j < n - 1; ++j) {
      printf(" ");
    }
    for (j = 0; j <= i; ++j) {
      printf("#");
    }
    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
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11ca <main+0xaa>
mov    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%eax
mov    -0x8(%rbp),%ecx
sub    $0x1,%ecx
cmp    %ecx,%eax
jge    1183 <main+0x63>
lea    0xe93(%rip),%rdi
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1158 <main+0x38>
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jg     11b0 <main+0x90>
lea    0xe68(%rip),%rdi
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    118a <main+0x6a>
lea    0xe50(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1146 <main+0x26>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xed1(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
mov    0xc(%rsp),%eax
test   %eax,%eax
jle    11a8 <main+0x88>
xor    %ebp,%ebp
mov    $0x1,%r14d
nopl   0x0(%rax)
add    $0xffffffff,%eax
cmp    %eax,%ebp
jge    1178 <main+0x58>
mov    %ebp,%ebx
nopl   0x0(%rax)
mov    $0x20,%edi
call   1030 <putchar@plt>
add    $0x1,%ebx
mov    0xc(%rsp),%eax
add    $0xffffffff,%eax
cmp    %eax,%ebx
jl     1160 <main+0x40>
mov    %r14d,%ebx
nopl   0x0(%rax,%rax,1)
mov    $0x23,%edi
call   1030 <putchar@plt>
add    $0xffffffff,%ebx
jne    1180 <main+0x60>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%ebp
mov    0xc(%rsp),%eax
add    $0x1,%r14d
cmp    %eax,%ebp
jl     1150 <main+0x30>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %rbp
ret

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

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
define i32 @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 sgt i32 %4, 0
br i1 %5, label %6, label %31
6: ; preds = %0, %25
%7 = phi i32 [ %28, %25 ], [ %4, %0 ]
%8 = phi i32 [ %30, %25 ], [ 1, %0 ]
%9 = phi i32 [ %27, %25 ], [ 0, %0 ]
%10 = add nsw i32 %7, -1
%11 = icmp slt i32 %9, %10
br i1 %11, label %12, label %19
12: ; preds = %6, %12
%13 = phi i32 [ %15, %12 ], [ %9, %6 ]
%14 = call i32 @putchar(i32 32)
%15 = add nuw nsw i32 %13, 1
%16 = load i32, i32* %1
%17 = add nsw i32 %16, -1
%18 = icmp slt i32 %15, %17
br i1 %18, label %12, label %19
19: ; preds = %12, %6
br label %20
20: ; preds = %19, %20
%21 = phi i32 [ %23, %20 ], [ 0, %19 ]
%22 = call i32 @putchar(i32 35)
%23 = add nuw nsw i32 %21, 1
%24 = icmp eq i32 %23, %8
br i1 %24, label %25, label %20
25: ; preds = %20
%26 = call i32 @putchar(i32 10)
%27 = add nuw nsw i32 %9, 1
%28 = load i32, i32* %1
%29 = icmp slt i32 %27, %28
%30 = add nuw i32 %8, 1
br i1 %29, label %6, label %31
31: ; preds = %25, %0
ret i32 0
}