user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x14(%rsp),%rdx
  lea    0x10(%rsp),%rsi
  lea    D16(%rip),%rdi
  call   <scanf@plt>
  mov    0x10(%rsp),%eax
  imul   %eax,%eax
  lea    0x0(,%rax,4),%edi
  call   <malloc@plt>
  mov    %rax,%r13
  mov    0x10(%rsp),%eax
  test   %eax,%eax
  jle    L54
  mov    %r13,%rbx
  mov    %r13,%r12
  mov    $0x0,%ebp
L25:
  lea    0x0(,%rax,4),%edi
  call   <malloc@plt>
  mov    %rax,(%r12)
  add    $0x1,%ebp
  mov    0x10(%rsp),%eax
  add    $0x8,%r12
  cmp    %ebp,%eax
  jg     L25
  test   %eax,%eax
  jle    L54
  mov    %r13,%rdi
  mov    $0x0,%esi
  jmp    L207
L15:
  mov    (%rcx),%rdx
  movl   $0x0,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    %eax,0x10(%rsp)
  jg     L15
L161:
  add    $0x1,%esi
  mov    0x10(%rsp),%r15d
  add    $0x8,%rdi
  cmp    %esi,%r15d
  jle    L68
L207:
  mov    %rdi,%rcx
  mov    $0x0,%eax
  cmpl   $0x0,0x10(%rsp)
  jg     L15
  jmp    L161
L68:
  mov    $0x0,%r14d
  lea    D36(%rip),%r12
  test   %r15d,%r15d
  jle    L118
L349:
  mov    %rbx,%r15
  mov    $0x0,%ebp
  cmpl   $0x0,0x10(%rsp)
  jle    L111
L206:
  mov    (%r15),%rax
  mov    (%rax,%rbp,4),%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%rbp
  cmp    %ebp,0x10(%rsp)
  jg     L206
L111:
  mov    $0xa,%edi
  call   <putchar@plt>
  add    $0x1,%r14d
  mov    0x10(%rsp),%r15d
  add    $0x8,%rbx
  cmp    %r14d,%r15d
  jg     L349
L118:
  mov    %r15d,0x8(%rsp)
  mov    $0x0,%r14d
  mov    $0x0,%ebx
  movl   $0x0,0xc(%rsp)
  mov    $0x0,%ebp
  jmp    L93
L13:
  cmp    %r14d,%r15d
  jle    L139
  movslq %r14d,%r12
  shl    $0x2,%r12
  mov    %r14d,%ebp
L334:
  mov    %ebx,0x4(%rsp)
  mov    %r14d,(%rsp)
  mov    %ebp,%edx
  mov    $0x0,%esi
  lea    D40(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x0(%r13),%rdx
  mov    %ebx,%eax
  sub    %r14d,%eax
  add    %ebp,%eax
  mov    %eax,(%rdx,%r12,1)
  add    $0x1,%ebp
  add    $0x4,%r12
  cmp    %r15d,%ebp
  jne    L334
  mov    0x4(%rsp),%ebx
  add    %r15d,%ebx
  sub    (%rsp),%ebx
  mov    %r15d,%r14d
L139:
  subl   $0x1,0x8(%rsp)
  mov    $0x1,%ebp
L209:
  mov    0x8(%rsp),%edx
  mov    %r15d,%esi
  lea    D45(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  cmp    $0xf,%ebx
  jg     L50
L93:
  test   %ebp,%ebp
  je     L13
  cmp    $0x1,%ebp
  je     L162
  cmp    $0x2,%ebp
  je     L80
  cmp    $0x3,%ebp
  jne    L209
  cmpl   $0x0,0xc(%rsp)
  jns    L165
  movslq %r14d,%rbp
  shl    $0x2,%rbp
  lea    D40(%rip),%r12
L87:
  mov    %r14d,%edx
  mov    $0x0,%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x0(%r13),%rax
  mov    %ebx,(%rax,%rbp,1)
  lea    0x1(%rbx),%ebx
  jmp    L87
L162:
  cmpl   $0x1,0x8(%rsp)
  jle    L199
  movslq %r14d,%rbp
  shl    $0x2,%rbp
  lea    D40(%rip),%r12
L22:
  mov    %r14d,%edx
  mov    $0x0,%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x0(%r13),%rax
  mov    %ebx,(%rax,%rbp,1)
  lea    0x1(%rbx),%ebx
  jmp    L22
L199:
  sub    $0x1,%r15d
  mov    $0x2,%ebp
  jmp    L209
L80:
  cmp    %r14d,0xc(%rsp)
  jge    L64
  movslq %r14d,%rbp
  shl    $0x2,%rbp
  lea    D40(%rip),%r12
L11:
  mov    %r14d,%edx
  mov    $0x0,%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x0(%r13),%rax
  mov    %ebx,(%rax,%rbp,1)
  lea    0x1(%rbx),%ebx
  jmp    L11
L165:
  addl   $0x1,0xc(%rsp)
  mov    $0x0,%ebp
  jmp    L209
L64:
  mov    $0x3,%ebp
  jmp    L209
L50:
  cmpl   $0x0,0x10(%rsp)
  jle    L175
  mov    $0x0,%r14d
  lea    D36(%rip),%r12
  jmp    L170
L86:
  mov    0x0(%rbp),%rax
  mov    (%rax,%rbx,4),%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%rbx
  cmp    %ebx,0x10(%rsp)
  jg     L86
L271:
  mov    $0xa,%edi
  call   <putchar@plt>
  add    $0x1,%r14d
  add    $0x8,%r13
  cmp    %r14d,0x10(%rsp)
  jle    L175
L170:
  mov    %r13,%rbp
  mov    $0x0,%ebx
  cmpl   $0x0,0x10(%rsp)
  jg     L86
  jmp    L271
L175:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L243
  mov    $0x0,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L54:
  mov    0x10(%rsp),%r15d
  jmp    L118
L243:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D16
type_guessed: string
name: retrieve_data
arguments: data_tag: D36
type_guessed: string
name: retrieve_data
arguments: data_tag: D40
type_guessed: string
name: retrieve_data
arguments: data_tag: D45
type_guessed: string

tool: D16: %d %d

tool: D36: %d 

tool: D40: %d %d


tool: D45: h=%d, v=%d


assistant: ```c
int main(void) {
  int **c, a, b, i, j;
  scanf("%d %d", &a, &b);
  c = (int **)malloc(a * a * sizeof(int));
  for (i = 0; i < a; i++) {
    c[i] = (int *)malloc(a * sizeof(int));
  }
  for (i = 0; i < a; i++) {
    for (j = 0; j < a; j++) {
      c[i][j] = 0;
    }
  }
  for (i = 0; i < a; i++) {
    for (j = 0; j < a; j++) {
      printf("%d ", c[i][j]);
    }
    printf("\n");
  }
  int o = 0;
  int h = a, v = a;
  int step = 0;
  int index = 0;
  int total = a * a;
  int x = 0;
  int y = 0;
  while (index < 16) {
    if (o == 0) {
      while (y < h) {
        printf("%d %d\n", x, y);
        c[x][y] = index++;
        y++;
      }
      o = 1;
      v--;
    } else if (o == 1) {
      while (x < v - 1) {
        printf("%d %d\n", x, y);
        c[x][y] = index++;
      }
      o = 2;
      h--;
    } else if (o == 2) {
      while (y > step) {
        printf("%d %d\n", x, y);
        c[x][y] = index++;
      }
      o = 3;
    } else if (o == 3) {
      while (x > step) {
        printf("%d %d\n", x, y);
        c[x][y] = index++;
      }
      o = 0;
      step++;
    }
    printf("h=%d, v=%d\n", h, v);
  }
  for (i = 0; i < a; i++) {
    for (j = 0; j < a; j++) {
      printf("%d ", c[i][j]);
    }
    printf("\n");
  }
  return 0;
}
```