user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x5,-0x58(%rbp)
  movl   $0x3,-0x54(%rbp)
  lea    D66(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  movl   $0x0,-0x64(%rbp)
  jmp    L22
L21:
  mov    -0x64(%rbp),%eax
  mov    %eax,%esi
  lea    D54(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movl   $0x0,-0x60(%rbp)
  jmp    L67
L134:
  lea    -0x50(%rbp),%rcx
  mov    -0x60(%rbp),%eax
  movslq %eax,%rsi
  mov    -0x64(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  add    %rax,%rax
  add    %rdx,%rax
  add    %rsi,%rax
  shl    $0x2,%rax
  add    %rcx,%rax
  mov    %rax,%rsi
  lea    D25(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  addl   $0x1,-0x60(%rbp)
L67:
  mov    -0x60(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jl     L134
  addl   $0x1,-0x64(%rbp)
L22:
  mov    -0x64(%rbp),%eax
  cmp    -0x58(%rbp),%eax
  jl     L21
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  movl   $0x0,-0x64(%rbp)
  jmp    L133
L9:
  movl   $0x0,-0x60(%rbp)
  jmp    L41
L114:
  mov    -0x60(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x64(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  add    %rax,%rax
  add    %rdx,%rax
  add    %rcx,%rax
  movss  -0x50(%rbp,%rax,4),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movq   %xmm1,%rax
  movq   %rax,%xmm0
  lea    D44(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  addl   $0x1,-0x60(%rbp)
L41:
  mov    -0x60(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jl     L114
  mov    $0xa,%edi
  call   <putchar@plt>
  addl   $0x1,-0x64(%rbp)
L133:
  mov    -0x64(%rbp),%eax
  cmp    -0x58(%rbp),%eax
  jl     L9
  movss  -0x50(%rbp),%xmm0
  movss  %xmm0,-0x5c(%rbp)
  movl   $0x0,-0x64(%rbp)
  jmp    L25
L135:
  movl   $0x0,-0x60(%rbp)
  jmp    L54
L118:
  mov    -0x60(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x64(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  add    %rax,%rax
  add    %rdx,%rax
  add    %rcx,%rax
  movss  -0x50(%rbp,%rax,4),%xmm0
  comiss -0x5c(%rbp),%xmm0
  jbe    L91
  mov    -0x60(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x64(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  add    %rax,%rax
  add    %rdx,%rax
  add    %rcx,%rax
  movss  -0x50(%rbp,%rax,4),%xmm0
  movss  %xmm0,-0x5c(%rbp)
L91:
  addl   $0x1,-0x60(%rbp)
L54:
  cmpl   $0x2,-0x60(%rbp)
  jle    L118
  addl   $0x1,-0x64(%rbp)
L25:
  cmpl   $0x4,-0x64(%rbp)
  jle    L135
  pxor   %xmm2,%xmm2
  cvtss2sd -0x5c(%rbp),%xmm2
  movq   %xmm2,%rax
  movq   %rax,%xmm0
  lea    D39(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  lea    D22(%rip),%rax
  mov    %rax,%rdi
  call   <system@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L90
  call   <__stack_chk_fail@plt>
L90:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D66
datatype: string
name: extract_symbolic_data
arguments: tag: D54
datatype: string
name: extract_symbolic_data
arguments: tag: D25
datatype: string
name: extract_symbolic_data
arguments: tag: D16
datatype: string
name: extract_symbolic_data
arguments: tag: D44
datatype: string
name: extract_symbolic_data
arguments: tag: D39
datatype: string
name: extract_symbolic_data
arguments: tag: D22
datatype: string

tool: D66: Digite uma matriz 5x3:

tool: D54: linha %d: 


tool: D25: %f

tool: D16: 
Matriz Lida

tool: D44: [%.1f]

tool: D39: 
O maior elemento da matriz eh %.1f


tool: D22: pause

assistant: ```c
int main() {
  int i, j, m = 5, n = 3, aux;
  float x[5][3], maior;
  printf("Digite uma matriz 5x3:\n");
  for (i = 0; i < m; i++) {
    printf("linha %d: \n", i);
    for (j = 0; j < n; j++)
      scanf("%f", &x[i][j]);
  }
  puts("\nMatriz Lida");
  for (i = 0; i < m; i++) {
    for (j = 0; j < n; j++)
      printf("[%.1f]", x[i][j]);
    printf("\n");
  }
  maior = x[0][0];
  for (i = 0; i <= 4; i++) {
    for (j = 0; j <= 2; j++) {
      if (maior < x[i][j]) {
        maior = x[i][j];
      }
    }
  }
  printf("\nO maior elemento da matriz eh %.1f\n", maior);
  system("pause");
  return 0;
}
```