user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r15
  lea    D96(%rip),%rdi
  push   %r14
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  lea    D55(%rip),%r12
  push   %rbp
  lea    D56(%rip),%rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <scanf@plt>
  lea    D97(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%ecx
  test   %ecx,%ecx
  jle    L166
  nopl   0x0(%rax,%rax,1)
L23:
  xor    %ebx,%ebx
  nopw   0x0(%rax,%rax,1)
L114:
  mov    %r12,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    %ebx,0x4(%rsp)
  jg     L114
  mov    %rbp,%rdi
  add    $0x1,%r13d
  call   <printf@plt>
  cmp    %r13d,0x4(%rsp)
  jg     L23
L166:
  lea    D190(%rip),%rdi
  mov    $0x1,%r13d
  lea    D55(%rip),%r12
  call   <printf@plt>
  mov    0x4(%rsp),%edx
  lea    D56(%rip),%rbp
  test   %edx,%edx
  jle    L161
  nopl   0x0(%rax)
L93:
  xor    %ebx,%ebx
  nopw   0x0(%rax,%rax,1)
L231:
  mov    %r12,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    %r13d,%ebx
  jne    L231
  mov    %rbp,%rdi
  lea    0x1(%r13),%ebx
  call   <printf@plt>
  cmp    %r13d,0x4(%rsp)
  jle    L161
  mov    %ebx,%r13d
  jmp    L93
  nopl   0x0(%rax,%rax,1)
L161:
  lea    D129(%rip),%rdi
  lea    D56(%rip),%rbp
  call   <printf@plt>
  mov    0x4(%rsp),%r14d
  lea    D55(%rip),%r13
  mov    %r14d,%r12d
  test   %r14d,%r14d
  jle    L6
  nopw   0x0(%rax,%rax,1)
L38:
  xor    %ebx,%ebx
  test   %r12d,%r12d
  jle    L78
  nopw   0x0(%rax,%rax,1)
L162:
  mov    %r13,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    %r12d,%ebx
  jne    L162
L78:
  mov    %rbp,%rdi
  sub    $0x1,%r12d
  call   <printf@plt>
  mov    %r14d,%eax
  sub    %r12d,%eax
  cmp    %eax,0x4(%rsp)
  jg     L38
L6:
  lea    D61(%rip),%rdi
  xor    %r12d,%r12d
  lea    D56(%rip),%rbp
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  lea    D55(%rip),%r14
  lea    D3(%rip),%r13
  test   %eax,%eax
  jle    L62
  nopl   0x0(%rax)
L7:
  xor    %ebx,%ebx
  nopw   0x0(%rax,%rax,1)
L217:
  cmp    %ebx,%r12d
  mov    %r13,%rdi
  cmovle %r14,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    %ebx,0x4(%rsp)
  jg     L217
  mov    %rbp,%rdi
  add    $0x1,%r12d
  call   <printf@plt>
  cmp    %r12d,0x4(%rsp)
  jg     L7
L62:
  lea    D204(%rip),%rdi
  lea    D56(%rip),%rbp
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  lea    D3(%rip),%r14
  lea    D55(%rip),%r13
  lea    -0x1(%rax),%r15d
  mov    %r15d,%r12d
  test   %eax,%eax
  jle    L253
  nopl   0x0(%rax,%rax,1)
L165:
  xor    %ebx,%ebx
  test   %eax,%eax
  jle    L201
  cs nopw 0x0(%rax,%rax,1)
L185:
  cmp    %r12d,%ebx
  mov    %r13,%rdi
  cmovl  %r14,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    %ebx,0x4(%rsp)
  jg     L185
L201:
  mov    %rbp,%rdi
  sub    $0x1,%r12d
  call   <printf@plt>
  mov    %r15d,%edx
  mov    0x4(%rsp),%eax
  sub    %r12d,%edx
  cmp    %edx,%eax
  jg     L165
L253:
  lea    D34(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  lea    -0x1(%rax,%rax,1),%eax
  test   %eax,%eax
  jle    L256
  xor    %r15d,%r15d
  mov    $0x1,%r12d
  xor    %r14d,%r14d
  lea    D56(%rip),%rbp
  lea    D55(%rip),%r13
  nopl   0x0(%rax)
L48:
  xor    %ebx,%ebx
  test   %r12d,%r12d
  jle    L31
  nop
L70:
  mov    %r13,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    %r12d,%ebx
  jne    L70
L31:
  cmp    %r12d,0x4(%rsp)
  je     L85
  test   %r15d,%r15d
  jne    L85
  add    $0x1,%r12d
L227:
  mov    %rbp,%rdi
  add    $0x1,%r14d
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  lea    -0x1(%rax,%rax,1),%eax
  cmp    %r14d,%eax
  jg     L48
L256:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L76
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L85:
  sub    $0x1,%r12d
  mov    $0x1,%r15d
  jmp    L227
L76:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D96
datatype: string
name: extract_symbolic_data
arguments: data_label: D55
datatype: string
name: extract_symbolic_data
arguments: data_label: D56
datatype: string
name: extract_symbolic_data
arguments: data_label: D97
datatype: string
name: extract_symbolic_data
arguments: data_label: D190
datatype: string
name: extract_symbolic_data
arguments: data_label: D129
datatype: string
name: extract_symbolic_data
arguments: data_label: D61
datatype: string
name: extract_symbolic_data
arguments: data_label: D3
datatype: string
name: extract_symbolic_data
arguments: data_label: D204
datatype: string
name: extract_symbolic_data
arguments: data_label: D34
datatype: string

tool: D96: %d

tool: D55: * 

tool: D56: 


tool: D97: 
------------ Exemplo 1 ------------



tool: D190: 
------------ Exemplo 2 ------------



tool: D129: 
------------ Exemplo 3 ------------



tool: D61: 
------------ Exemplo 4 ------------



tool: D3:   

tool: D204: 
------------ Exemplo 5 ------------



tool: D34: 
------------ Exemplo 6 ------------



assistant: ```c
int main() {
  int i, j, x;
  scanf("%d", &x);
  printf("\n------------ Exemplo 1 ------------\n\n");
  for (i = 0; i < x; i++) {
    for (j = 0; j < x; j++) {
      printf("* ");
    }
    printf("\n");
  }
  printf("\n------------ Exemplo 2 ------------\n\n");
  int k = 1;
  for (i = 0; i < x; i++) {
    for (j = 0; j < k; j++) {
      printf("* ");
    }
    k++;
    printf("\n");
  }
  printf("\n------------ Exemplo 3 ------------\n\n");
  k = x;
  for (i = 0; i < x; i++) {
    for (j = 0; j < k; j++) {
      printf("* ");
    }
    k--;
    printf("\n");
  }
  printf("\n------------ Exemplo 4 ------------\n\n");
  k = 0;
  for (i = 0; i < x; i++) {
    for (j = 0; j < x; j++) {
      printf(j >= k ? "* " : "  ");
    }
    k++;
    printf("\n");
  }
  printf("\n------------ Exemplo 5 ------------\n\n");
  k = x - 1;
  for (i = 0; i < x; i++) {
    for (j = 0; j < x; j++) {
      printf(j < k ? "  " : "* ");
    }
    k--;
    printf("\n");
  }
  printf("\n------------ Exemplo 6 ------------\n\n");
  k = 1;
  int r = 0;
  for (i = 0; i < x + (x - 1); i++) {
    for (j = 0; j < k; j++) {
      printf("* ");
    }
    if (k == x) {
      r = 1;
    }
    if (r == 0) {
      k++;
    } else {
      k--;
    }
    printf("\n");
  }
  return 0;
}
```