user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x20000(%rsp),%r11
L67:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L67
  sub    $0x38,%rsp
  lea    D7(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x20028(%rsp)
  xor    %eax,%eax
  lea    0x24(%rsp),%rsi
  call   <scanf@plt>
  mov    0x24(%rsp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,0x24(%rsp)
  test   %eax,%eax
  je     L78
  lea    0x2c(%rsp),%rax
  lea    D6(%rip),%r12
  mov    %rax,0x18(%rsp)
  lea    0x28(%rsp),%rax
  mov    %rax,0x10(%rsp)
  lea    0xc7a0(%rsp),%rax
  mov    %rax,0x8(%rsp)
L16:
  mov    0x18(%rsp),%rdx
  mov    0x10(%rsp),%rsi
  lea    D13(%rip),%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  mov    0x2c(%rsp),%eax
  mov    0x8(%rsp),%rdi
  xor    %esi,%esi
  lea    (%rax,%rax,4),%edx
  shl    $0x4,%edx
  call   <memset@plt>
  xor    %eax,%eax
  call   <getchar@plt>
  mov    0x28(%rsp),%ecx
  test   %ecx,%ecx
  jle    L74
  lea    0x30(%rsp),%rbx
  xor    %r13d,%r13d
  nop
L105:
  mov    0x2c(%rsp),%edx
  xor    %r14d,%r14d
  test   %edx,%edx
  jle    L65
  nopl   0x0(%rax,%rax,1)
L80:
  lea    (%r14,%rbx,1),%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  movsbl (%rbx,%r14,1),%eax
  movslq %r14d,%rcx
  add    $0x1,%r14
  lea    (%rcx,%rcx,4),%rcx
  sub    $0x41,%eax
  cltq
  lea    (%rax,%rcx,4),%rax
  addl   $0x1,0xc7a0(%rsp,%rax,4)
  cmp    %r14d,0x2c(%rsp)
  jg     L80
L65:
  xor    %eax,%eax
  add    $0x1,%r13d
  add    $0x3e9,%rbx
  call   <getchar@plt>
  cmp    %r13d,0x28(%rsp)
  jg     L105
L74:
  mov    0x2c(%rsp),%eax
  test   %eax,%eax
  jle    L81
  mov    0x8(%rsp),%r14
  xor    %r15d,%r15d
  xor    %r13d,%r13d
  cs nopw 0x0(%rax,%rax,1)
L8:
  xor    %eax,%eax
  xor    %ebx,%ebx
  nopl   0x0(%rax)
L106:
  mov    (%r14,%rax,4),%edx
  cmp    %ebx,%edx
  jle    L26
  mov    %eax,%ebp
  mov    %edx,%ebx
L26:
  add    $0x1,%rax
  add    %edx,%r13d
  cmp    $0x14,%rax
  jne    L106
  lea    0x41(%rbp),%edi
  sub    %ebx,%r13d
  add    $0x1,%r15d
  add    $0x50,%r14
  movsbl %dil,%edi
  call   <putchar@plt>
  cmp    %r15d,0x2c(%rsp)
  jg     L8
L23:
  mov    %r13d,%esi
  lea    D18(%rip),%rdi
  call   <printf@plt>
  mov    0x24(%rsp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,0x24(%rsp)
  test   %eax,%eax
  jne    L16
L78:
  mov    0x20028(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L30
  add    $0x20038,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L81:
  xor    %r13d,%r13d
  jmp    L23
L30:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D7
type_infered: string
name: extract_symbolic_data
arguments: tag: D6
type_infered: string
name: extract_symbolic_data
arguments: tag: D13
type_infered: string
name: extract_symbolic_data
arguments: tag: D18
type_infered: string

tool: D7: %d

tool: D6: %c

tool: D13: %d%d

tool: D18: 
%d


assistant: ```c
int main() {
  int T, row, column, distance, i, j, frequency[1000]['T' - 'A' + 1], max;
  char DNA[51][1001], letter;
  scanf("%d", &T);
  while (T--) {
    distance = 0;
    scanf("%d%d", &row, &column);
    memset(frequency, 0, sizeof(int) * column * ('T' - 'A' + 1));
    getchar();
    for (i = 0; i < row; i++) {
      for (j = 0; j < column; j++) {
        scanf("%c", &DNA[i][j]);
        frequency[j][DNA[i][j] - 'A']++;
      }
      getchar();
    }
    for (j = 0; j < column; j++) {
      max = 0;
      for (i = 0; i < 'T' - 'A' + 1; i++) {
        if (frequency[j][i] > max) {
          max = frequency[j][i];
          letter = i;
        }
        distance += frequency[j][i];
      }
      putchar(letter + 'A');
      distance -= max;
    }
    printf("\n%d\n", distance);
  }
  return 0;
}
```