#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 *);
void main(void) {
  int i, n, z, k = 0;
  printf("Vuvedete chislo: ");
  scanf("%d", &z);
  for (i = 1; i <= z; ++i) {
    for (n = 1; n <= z - i; ++n) {
      printf("  ");
    }
    while (k != 2 * i - 1) {
      printf("* ");
      ++k;
    }
    k = 0;
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x10(%rbp)
lea    0xeca(%rip),%rdi
call   1030 <printf@plt>
lea    0xed0(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
movl   $0x1,-0x4(%rbp)
mov    -0x4(%rbp),%eax
cmp    -0xc(%rbp),%eax
jg     11e4 <main+0xc4>
movl   $0x1,-0x8(%rbp)
mov    -0x8(%rbp),%eax
mov    -0xc(%rbp),%ecx
sub    -0x4(%rbp),%ecx
cmp    %ecx,%eax
jg     1190 <main+0x70>
lea    0xe98(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1165 <main+0x45>
jmp    1195 <main+0x75>
mov    -0x10(%rbp),%eax
mov    -0x4(%rbp),%ecx
shl    $0x1,%ecx
sub    $0x1,%ecx
cmp    %ecx,%eax
je     11c3 <main+0xa3>
lea    0xe68(%rip),%rdi
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1195 <main+0x75>
movl   $0x0,-0x10(%rbp)
lea    0xe4a(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x4(%rbp)
jmp    1152 <main+0x32>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
sub    $0x10,%rsp
lea    0xebd(%rip),%rdi
call   1040 <printf@plt>
lea    0xec3(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%eax
test   %eax,%eax
jle    11d8 <main+0xa8>
mov    $0x1,%r15d
lea    0xea7(%rip),%r14
lea    0xea3(%rip),%r12
mov    $0x1,%ebp
nopw   0x0(%rax,%rax,1)
mov    %r15d,%ebx
cmp    %ebp,%eax
jle    11b0 <main+0x80>
xor    %ebx,%ebx
nopl   0x0(%rax)
mov    %r14,%rdi
call   1040 <printf@plt>
mov    0xc(%rsp),%eax
sub    %ebp,%eax
add    $0x1,%ebx
cmp    %eax,%ebx
jl     1190 <main+0x60>
mov    %r15d,%ebx
nopl   0x0(%rax,%rax,1)
mov    %r12,%rdi
call   1040 <printf@plt>
add    $0xffffffff,%ebx
jne    11b0 <main+0x80>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0x1(%rbp),%ecx
mov    0xc(%rsp),%eax
add    $0x2,%r15d
cmp    %eax,%ebp
mov    %ecx,%ebp
jl     1180 <main+0x50>
add    $0x10,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret

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

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