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

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x828,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,-0x848(%rbp)
  lea    -0x7c0(%rbp),%rdx
  lea    -0x7c4(%rbp),%rax
  mov    %rax,%rsi
  lea    D25(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    -0x7c0(%rbp),%eax
  lea    0x1(%rax),%esi
  mov    -0x7c4(%rbp),%edi
  movslq %esi,%rax
  sub    $0x1,%rax
  mov    %rax,-0x788(%rbp)
  movslq %esi,%rax
  mov    %rax,-0x800(%rbp)
  movq   $0x0,-0x7f8(%rbp)
  movslq %esi,%rbx
  movslq %edi,%rax
  sub    $0x1,%rax
  mov    %rax,-0x780(%rbp)
  movslq %esi,%rax
  mov    %rax,%r14
  mov    $0x0,%r15d
  movslq %edi,%rax
  mov    %rax,%r12
  mov    $0x0,%r13d
  mov    %r15,%rdx
  imul   %r12,%rdx
  mov    %r13,%rax
  imul   %r14,%rax
  lea    (%rdx,%rax,1),%rcx
  mov    %r14,%rax
  mul    %r12
  add    %rdx,%rcx
  mov    %rcx,%rdx
  movslq %esi,%rax
  mov    %rax,-0x7e0(%rbp)
  movq   $0x0,-0x7d8(%rbp)
  movslq %edi,%rax
  mov    %rax,-0x7f0(%rbp)
  movq   $0x0,-0x7e8(%rbp)
  mov    -0x7e0(%rbp),%r8
  mov    -0x7d8(%rbp),%r9
  mov    %r9,%rdx
  mov    -0x7f0(%rbp),%r10
  mov    -0x7e8(%rbp),%r11
  imul   %r10,%rdx
  mov    %r11,%rax
  imul   %r8,%rax
  lea    (%rdx,%rax,1),%rcx
  mov    %r8,%rax
  mul    %r10
  add    %rdx,%rcx
  mov    %rcx,%rdx
  movslq %esi,%rdx
  movslq %edi,%rax
  imul   %rdx,%rax
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L237:
  cmp    %rdx,%rsp
  je     L38
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L237
L38:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L411
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L411:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x778(%rbp)
  movl   $0x0,-0x7bc(%rbp)
  jmp    L415
L320:
  movl   $0x0,-0x7b8(%rbp)
  jmp    L158
L328:
  mov    -0x7b8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x7bc(%rbp),%eax
  cltq
  imul   %rbx,%rax
  add    %rax,%rdx
  mov    -0x778(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rsi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  addl   $0x1,-0x7b8(%rbp)
L158:
  mov    -0x7c0(%rbp),%eax
  cmp    %eax,-0x7b8(%rbp)
  jle    L328
  addl   $0x1,-0x7bc(%rbp)
L415:
  mov    -0x7c4(%rbp),%eax
  cmp    %eax,-0x7bc(%rbp)
  jl     L320
  lea    -0x750(%rbp),%rdx
  mov    $0x0,%eax
  mov    $0x70,%ecx
  mov    %rdx,%rdi
  rep stos %rax,%es:(%rdi)
  mov    %rdi,%rdx
  mov    %eax,(%rdx)
  add    $0x4,%rdx
  lea    -0x3c0(%rbp),%rdx
  mov    $0x0,%eax
  mov    $0x70,%ecx
  mov    %rdx,%rdi
  rep stos %rax,%es:(%rdi)
  mov    %rdi,%rdx
  mov    %eax,(%rdx)
  add    $0x4,%rdx
  movl   $0x0,-0x7b4(%rbp)
  movl   $0x0,-0x7bc(%rbp)
  jmp    L419
L296:
  movl   $0x0,-0x7b8(%rbp)
  jmp    L179
L304:
  mov    -0x778(%rbp),%rcx
  mov    -0x7b8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x7bc(%rbp),%eax
  cltq
  imul   %rbx,%rax
  add    %rcx,%rdx
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x47,%al
  jne    L348
  movl   $0x1,-0x7b0(%rbp)
  movl   $0x0,-0x7ac(%rbp)
  movl   $0x1,-0x7ac(%rbp)
  jmp    L135
L40:
  mov    -0x7bc(%rbp),%eax
  sub    -0x7ac(%rbp),%eax
  test   %eax,%eax
  js     L348
  mov    -0x7bc(%rbp),%eax
  sub    -0x7ac(%rbp),%eax
  mov    -0x778(%rbp),%rcx
  mov    -0x7b8(%rbp),%edx
  movslq %edx,%rdx
  cltq
  imul   %rbx,%rax
  add    %rcx,%rdx
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x47,%al
  jne    L348
  mov    -0x7bc(%rbp),%edx
  mov    -0x7ac(%rbp),%eax
  add    %eax,%edx
  mov    -0x7c4(%rbp),%eax
  cmp    %eax,%edx
  jge    L348
  mov    -0x7bc(%rbp),%edx
  mov    -0x7ac(%rbp),%eax
  add    %eax,%edx
  mov    -0x778(%rbp),%rsi
  mov    -0x7b8(%rbp),%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  imul   %rbx,%rax
  lea    (%rsi,%rcx,1),%rdx
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x47,%al
  jne    L348
  mov    -0x7b8(%rbp),%eax
  sub    -0x7ac(%rbp),%eax
  test   %eax,%eax
  js     L348
  mov    -0x7b8(%rbp),%eax
  sub    -0x7ac(%rbp),%eax
  mov    -0x778(%rbp),%rcx
  movslq %eax,%rdx
  mov    -0x7bc(%rbp),%eax
  cltq
  imul   %rbx,%rax
  add    %rcx,%rdx
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x47,%al
  jne    L348
  mov    -0x7b8(%rbp),%edx
  mov    -0x7ac(%rbp),%eax
  add    %eax,%edx
  mov    -0x7c0(%rbp),%eax
  cmp    %eax,%edx
  jge    L348
  mov    -0x7b8(%rbp),%edx
  mov    -0x7ac(%rbp),%eax
  add    %edx,%eax
  mov    -0x778(%rbp),%rcx
  movslq %eax,%rdx
  mov    -0x7bc(%rbp),%eax
  cltq
  imul   %rbx,%rax
  add    %rcx,%rdx
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x47,%al
  jne    L348
  addl   $0x4,-0x7b0(%rbp)
  mov    -0x7b4(%rbp),%eax
  cltq
  mov    -0x7b0(%rbp),%edx
  mov    %edx,-0x750(%rbp,%rax,4)
  mov    -0x7c4(%rbp),%eax
  imul   -0x7bc(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x7b4(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x7b4(%rbp)
  mov    -0x7b8(%rbp),%edx
  add    %ecx,%edx
  cltq
  mov    %edx,-0x3c0(%rbp,%rax,4)
  addl   $0x1,-0x7ac(%rbp)
L135:
  cmpl   $0x7,-0x7ac(%rbp)
  jle    L40
L348:
  addl   $0x1,-0x7b8(%rbp)
L179:
  mov    -0x7c0(%rbp),%eax
  cmp    %eax,-0x7b8(%rbp)
  jl     L304
  addl   $0x1,-0x7bc(%rbp)
L419:
  mov    -0x7c4(%rbp),%eax
  cmp    %eax,-0x7bc(%rbp)
  jl     L296
  movl   $0x1,-0x7a8(%rbp)
  mov    -0x7b4(%rbp),%eax
  cltq
  movl   $0x1,-0x750(%rbp,%rax,4)
  movl   $0x0,-0x7bc(%rbp)
  jmp    L402
L147:
  mov    -0x7bc(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x7b8(%rbp)
  jmp    L352
L234:
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%edx
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  imul   %edx,%eax
  cmp    %eax,-0x7a8(%rbp)
  jge    L353
  mov    %rsp,%rax
  mov    %rax,%rdi
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x770(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0x810(%rbp)
  movq   $0x0,-0x808(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0x820(%rbp)
  movq   $0x0,-0x818(%rbp)
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%ebx
  mov    $0x0,%edx
  div    %rbx
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L213:
  cmp    %rdx,%rsp
  je     L243
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L213
L243:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L403
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L403:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x768(%rbp)
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x760(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0x830(%rbp)
  movq   $0x0,-0x828(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0x840(%rbp)
  movq   $0x0,-0x838(%rbp)
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%ebx
  mov    $0x0,%edx
  div    %rbx
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L288:
  cmp    %rdx,%rsp
  je     L326
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L288
L326:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L203
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L203:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x758(%rbp)
  movl   $0x1,-0x7a4(%rbp)
  movl   $0x1,-0x7a0(%rbp)
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%edx
  mov    -0x768(%rbp),%rax
  mov    %edx,(%rax)
  jmp    L363
L287:
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%ecx
  mov    -0x7c4(%rbp),%eax
  imul   -0x7a4(%rbp),%eax
  mov    %eax,%esi
  mov    -0x7a0(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x7a0(%rbp)
  sub    %esi,%ecx
  mov    -0x768(%rbp),%rdx
  cltq
  mov    %ecx,(%rdx,%rax,4)
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%esi
  mov    -0x7c4(%rbp),%eax
  imul   -0x7a4(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x7a0(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x7a0(%rbp)
  add    %esi,%ecx
  mov    -0x768(%rbp),%rdx
  cltq
  mov    %ecx,(%rdx,%rax,4)
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%edx
  mov    -0x7a0(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    %ecx,-0x7a0(%rbp)
  mov    %edx,%ecx
  sub    -0x7a4(%rbp),%ecx
  mov    -0x768(%rbp),%rdx
  cltq
  mov    %ecx,(%rdx,%rax,4)
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%ecx
  mov    -0x7a0(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x7a0(%rbp)
  mov    -0x7a4(%rbp),%edx
  add    %edx,%ecx
  mov    -0x768(%rbp),%rdx
  cltq
  mov    %ecx,(%rdx,%rax,4)
  addl   $0x1,-0x7a4(%rbp)
L363:
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  cmp    %eax,-0x7a0(%rbp)
  jl     L287
  movl   $0x1,-0x79c(%rbp)
  movl   $0x1,-0x798(%rbp)
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%edx
  mov    -0x758(%rbp),%rax
  mov    %edx,(%rax)
  jmp    L412
L101:
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%ecx
  mov    -0x7c4(%rbp),%eax
  imul   -0x79c(%rbp),%eax
  mov    %eax,%esi
  mov    -0x798(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x798(%rbp)
  sub    %esi,%ecx
  mov    -0x758(%rbp),%rdx
  cltq
  mov    %ecx,(%rdx,%rax,4)
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%esi
  mov    -0x7c4(%rbp),%eax
  imul   -0x79c(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x798(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x798(%rbp)
  add    %esi,%ecx
  mov    -0x758(%rbp),%rdx
  cltq
  mov    %ecx,(%rdx,%rax,4)
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%edx
  mov    -0x798(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    %ecx,-0x798(%rbp)
  mov    %edx,%ecx
  sub    -0x79c(%rbp),%ecx
  mov    -0x758(%rbp),%rdx
  cltq
  mov    %ecx,(%rdx,%rax,4)
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x3c0(%rbp,%rax,4),%ecx
  mov    -0x798(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x798(%rbp)
  mov    -0x79c(%rbp),%edx
  add    %edx,%ecx
  mov    -0x758(%rbp),%rdx
  cltq
  mov    %ecx,(%rdx,%rax,4)
  addl   $0x1,-0x79c(%rbp)
L412:
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  cmp    %eax,-0x798(%rbp)
  jl     L101
  movl   $0x1,-0x794(%rbp)
  movl   $0x0,-0x790(%rbp)
  jmp    L330
L116:
  movl   $0x0,-0x78c(%rbp)
  jmp    L236
L430:
  mov    -0x768(%rbp),%rax
  mov    -0x790(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%ecx
  mov    -0x758(%rbp),%rax
  mov    -0x78c(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  cmp    %eax,%ecx
  jne    L189
  movl   $0x0,-0x794(%rbp)
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  mov    %eax,-0x790(%rbp)
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  mov    %eax,-0x78c(%rbp)
L189:
  addl   $0x1,-0x78c(%rbp)
L236:
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  cmp    %eax,-0x78c(%rbp)
  jl     L430
  addl   $0x1,-0x790(%rbp)
L330:
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  cmp    %eax,-0x790(%rbp)
  jl     L116
  cmpl   $0x1,-0x794(%rbp)
  jne    L60
  mov    -0x7bc(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%edx
  mov    -0x7b8(%rbp),%eax
  cltq
  mov    -0x750(%rbp,%rax,4),%eax
  imul   %edx,%eax
  mov    %eax,-0x7a8(%rbp)
L60:
  mov    %rdi,%rsp
L353:
  addl   $0x1,-0x7b8(%rbp)
L352:
  mov    -0x7b8(%rbp),%eax
  cmp    -0x7b4(%rbp),%eax
  jle    L234
  addl   $0x1,-0x7bc(%rbp)
L402:
  mov    -0x7b4(%rbp),%eax
  cmp    -0x7bc(%rbp),%eax
  jg     L147
  mov    -0x7a8(%rbp),%eax
  mov    %eax,%esi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x848(%rbp),%rsp
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L262
  call   <__stack_chk_fail@plt>
L262:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D25
data_type: string
name: extract_symbolic_data
arguments: label: D0
data_type: string
name: extract_symbolic_data
arguments: label: D6
data_type: string

tool: D25: %d %d 


tool: D0: %c

tool: D6: %d

assistant: ```c
int main() {
  int n, m;
  scanf("%d %d \n", &n, &m);
  char map[n][m + 1];
  int i, j;
  for (i = 0; i < n; i++) {
    for (j = 0; j <= m; j++)
      scanf("%c", &map[i][j]);
  }
  int count[225] = {0};
  int post[225] = {0};
  int num = 0;
  for (i = 0; i < n; i++) {
    for (j = 0; j < m; j++) {
      if (map[i][j] == 'G') {
        int count_num = 1;
        int x = 0;
        for (x = 1; x < 8; x++) {
          if (i - x < 0 || map[i - x][j] != 'G')
            break;
          if (i + x >= n || map[i + x][j] != 'G')
            break;
          if (j - x < 0 || map[i][j - x] != 'G')
            break;
          if (j + x >= m || map[i][j + x] != 'G')
            break;
          count_num += 4;
          count[num] = count_num;
          post[num++] = (i)*n + (j);
        }
      }
    }
  }
  int max = 1;
  count[num] = 1;
  for (i = 0; i <= num - 1; i++) {
    for (j = i + 1; j <= num; j++) {
      if (count[i] * count[j] > max) {
        int compare_1[count[i]];
        int compare_2[count[j]];
        int x = 1, nx = 1;
        compare_1[0] = post[i];
        while (nx < count[i]) {
          compare_1[nx++] = post[i] - (n * x);
          compare_1[nx++] = post[i] + (n * x);
          compare_1[nx++] = post[i] - x;
          compare_1[nx++] = post[i] + x;
          x++;
        }
        int y = 1, ny = 1;
        compare_2[0] = post[j];
        while (ny < count[j]) {
          compare_2[ny++] = post[j] - (n * y);
          compare_2[ny++] = post[j] + (n * y);
          compare_2[ny++] = post[j] - y;
          compare_2[ny++] = post[j] + y;
          y++;
        }
        int flag = 1;
        for (int ni = 0; ni < count[i]; ni++) {
          for (int nj = 0; nj < count[j]; nj++) {
            if (compare_1[ni] == compare_2[nj]) {
              flag = 0;
              ni = count[i], nj = count[j];
            }
          }
        }
        if (flag == 1)
          max = count[i] * count[j];
      }
    }
  }
  printf("%d", max);
  return 0;
}
```