user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x678,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x668(%rsp)
  xor    %eax,%eax
  lea    D10(%rip),%rdi
  call   <printf@plt>
  lea    0x1c(%rsp),%rsi
  lea    D65(%rip),%rdi
  call   <scanf@plt>
  mov    $0x0,%r15d
  mov    $0x0,%r12d
  lea    0x20(%rsp),%rax
  mov    %rax,0x8(%rsp)
  lea    D36(%rip),%r14
  lea    D42(%rip),%r13
  cmpl   $0x0,0x1c(%rsp)
  jg     L181
L86:
  lea    D55(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L76
L58:
  mov    %r12d,%esi
  mov    %r14,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <scanf@plt>
  add    $0x1,%ebx
  add    $0x4,%rbp
  cmp    %ebx,0x1c(%rsp)
  jg     L58
L91:
  add    $0x1,%r12d
  mov    0x1c(%rsp),%edi
  add    $0x14,%r15
  cmp    %r12d,%edi
  jle    L79
L181:
  mov    0x8(%rsp),%rax
  lea    (%rax,%r15,4),%rbp
  mov    $0x0,%ebx
  cmpl   $0x0,0x1c(%rsp)
  jg     L58
  jmp    L91
L79:
  test   %edi,%edi
  jle    L210
  lea    0x20(%rsp),%rbp
  mov    $0x0,%r13d
  lea    D23(%rip),%r12
L49:
  mov    $0xa,%edi
  call   <putchar@plt>
  cmpl   $0x0,0x1c(%rsp)
  jle    L188
  mov    $0x0,%ebx
L200:
  mov    0x0(%rbp,%rbx,4),%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%rbx
  cmp    %ebx,0x1c(%rsp)
  jg     L200
L188:
  add    $0x1,%r13d
  mov    0x1c(%rsp),%edi
  add    $0x50,%rbp
  cmp    %r13d,%edi
  jg     L49
L210:
  cmp    $0x1,%edi
  jle    L86
  lea    0x20(%rsp),%r11
  lea    -0x1(%rdi),%r8d
  lea    (%r8,%r8,4),%rax
  shl    $0x4,%rax
  lea    0x70(%rsp,%rax,1),%rdx
  lea    -0x2(%rdi),%r10d
  lea    0x24(%rsp),%rbx
  lea    (%rbx,%r10,4),%r9
  mov    %r11,%rsi
  mov    $0x0,%ecx
  jmp    L206
L42:
  add    (%rax),%ecx
  add    $0x50,%rax
  cmp    %rdx,%rax
  jne    L42
L127:
  add    $0x4,%rsi
  add    $0x4,%rdx
  cmp    %r9,%rsi
  je     L131
L206:
  mov    %rsi,%rax
  test   %edi,%edi
  jg     L42
  jmp    L127
L131:
  lea    (%rbx,%r8,4),%rsi
  lea    (%r10,%r10,4),%rax
  lea    (%r8,%rax,4),%rax
  lea    0x54(%r11,%rax,4),%r9
  mov    $0x0,%edx
  not    %r8
  shl    $0x2,%r8
  jmp    L0
L50:
  add    (%rax),%edx
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L50
L107:
  add    $0x50,%rsi
  cmp    %r9,%rsi
  je     L145
L0:
  lea    (%r8,%rsi,1),%rax
  test   %edi,%edi
  jg     L50
  jmp    L107
L145:
  cmp    %edx,%ecx
  je     L86
  lea    D52(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L76:
  mov    0x668(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L41
  mov    $0x0,%eax
  add    $0x678,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L41:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D10
type_infered: string
name: disassemble_data
arguments: tag: D65
type_infered: string
name: disassemble_data
arguments: tag: D36
type_infered: string
name: disassemble_data
arguments: tag: D42
type_infered: string
name: disassemble_data
arguments: tag: D55
type_infered: string
name: disassemble_data
arguments: tag: D23
type_infered: string
name: disassemble_data
arguments: tag: D52
type_infered: string

tool: D10: enter number of rows=

tool: D65: %d

tool: D36: 
 enter number %d=

tool: D42: 	%d

tool: D55: 
valid

tool: D23:    %d

tool: D52: 
 Invalid square

assistant: ```c
int main() {
  int i = 0;
  int n[20][20];
  int check;
  int boss = 0;
  int choice = 0;
  int rows;
  int box = 0;
  int box2 = 0;
  int base = 0;
  int b = 0;
  printf("enter number of rows=");
  scanf("%d", &rows);
  for (i = 0; i < rows; i++) {
    for (choice = 0; choice < rows; choice++) {
      printf("\n enter number %d=", i);
      scanf("\t%d", &n[i][choice]);
    }
  }
  for (i = 0; i < rows; i++) {
    printf("\n");
    for (choice = 0; choice < rows; choice++) {
      printf("   %d", n[i][choice]);
    }
  }
  for (choice = 0; choice < rows - 1; choice++) {
    for (b = 0; b < rows; b++) {
      boss = boss + n[b][choice];
    }
  }
  for (b = 0; b < rows - 1; b++) {
    for (choice = 0; choice < rows; choice++) {
      box = box + n[b][choice];
    }
  }
  if (box == boss) {
    base = 2;
  } else {
    base = 1;
  }
  if (base == 2) {
    printf("\nvalid");
  } else
    printf("\n Invalid square");
  return 0;
}
```