user: What is the c source code of the assembly code below:

```asm
<f2>:
  endbr64
  push   %rbx
  xor    %eax,%eax
  mov    %rdi,%rbx
  call   <omp_get_thread_num@plt>
  shl    $0x6,%eax
  cltq
  lea    (%rbx,%rax,4),%rdx
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L93:
  mov    %eax,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L93
  xor    %eax,%eax
  nop
L82:
  mov    %eax,(%rbx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L82
  xor    %eax,%eax
  nop
L229:
  mov    %eax,(%rbx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L229
  xor    %eax,%eax
  nop
L75:
  mov    %eax,(%rbx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L75
  xor    %eax,%eax
  nop
L110:
  mov    %eax,(%rbx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L110
  xor    %eax,%eax
  nop
L124:
  mov    %eax,(%rbx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L124
  xor    %eax,%eax
  nop
L88:
  mov    %eax,(%rbx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L88
  mov    %rbx,%rcx
  lea    0x4000(%rbx),%rsi
  mov    %rbx,%rdx
  nopw   0x0(%rax,%rax,1)
L204:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L89:
  mov    %eax,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L89
  add    $0x100,%rdx
  cmp    %rsi,%rdx
  jne    L204
  mov    %rbx,%rdx
  nopl   0x0(%rax)
L197:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L138:
  mov    %eax,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L138
  add    $0x100,%rdx
  cmp    %rsi,%rdx
  jne    L197
  mov    %rbx,%rdx
  nopl   0x0(%rax)
L153:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L19:
  mov    %eax,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L19
  add    $0x100,%rdx
  cmp    %rsi,%rdx
  jne    L153
  mov    %rbx,%rdx
  nopl   0x0(%rax)
L78:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L133:
  mov    %eax,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L133
  add    $0x100,%rdx
  cmp    %rsi,%rdx
  jne    L78
  mov    %rbx,%rdx
  nopl   0x0(%rax)
L33:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L115:
  mov    %eax,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L115
  add    $0x100,%rdx
  cmp    %rsi,%rdx
  jne    L33
  mov    %rbx,%rdx
  nopl   0x0(%rax)
L12:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L194:
  mov    %eax,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L194
  add    $0x100,%rdx
  cmp    %rsi,%rdx
  jne    L12
  mov    %rbx,%rdx
  nopl   0x0(%rax)
L182:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L114:
  mov    %eax,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L114
  add    $0x100,%rdx
  cmp    %rsi,%rdx
  jne    L182
  nopl   0x0(%rax)
L74:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L4:
  mov    %eax,(%rcx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L4
  add    $0x100,%rcx
  cmp    %rsi,%rcx
  jne    L74
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L178:
  mov    %eax,(%rbx,%rax,4)
  add    $0x1,%rax
  cmp    $0x40,%rax
  jne    L178
  pop    %rbx
  ret
```

assistant: ```c
void f2(int *a) {
  int i, j;
#pragma omp parallel num_threads(4)
  {
    int j = omp_get_thread_num();
#pragma omp loop private(i) bind(teams)
    for (i = 0; i < 64; i++)
      a[j * 64 + i] = i;
  }
#pragma omp critical
  {
#pragma omp loop lastprivate(i) bind(teams)
    for (i = 0; i < 64; i++)
      a[i] = i;
  }
#pragma omp master
  {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[i] = i;
  }
#pragma omp sections
  {
#pragma omp loop bind(teams) lastprivate(i)
    for (i = 0; i < 64; i++)
      a[i] = i;
  }
#pragma omp single
  {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[i] = i;
  }
#pragma omp task
  {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[i] = i;
  }
#pragma omp taskgroup
  {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[i] = i;
  }
#pragma omp teams
  {
#pragma omp distribute
    for (j = 0; j < 64; ++j) {
#pragma omp loop bind(teams)
      for (i = 0; i < 64; i++)
        a[64 * j + i] = i;
    }
  }
#pragma omp for
  for (j = 0; j < 64; ++j) {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[64 * j + i] = i;
  }
#pragma omp parallel
#pragma omp loop
  for (j = 0; j < 64; ++j) {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[64 * j + i] = i;
  }
#pragma omp loop bind(thread)
  for (j = 0; j < 64; ++j) {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[64 * j + i] = i;
  }
#pragma omp loop bind(parallel)
  for (j = 0; j < 64; ++j) {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[64 * j + i] = i;
  }
#pragma omp for ordered
  for (j = 0; j < 64; ++j) {
#pragma omp ordered threads
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[64 * j + i] = i;
  }
#pragma omp simd
  for (j = 0; j < 64; ++j) {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[64 * j + i] = i;
  }
#pragma omp taskloop
  for (j = 0; j < 64; ++j) {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[64 * j + i] = i;
  }
#pragma omp target
  {
#pragma omp loop bind(teams)
    for (i = 0; i < 64; i++)
      a[i] = i;
  }
}
```