• 2022-07-23
    下列代码段执行的结果是?int a =123, b = 0, c; if (a) { c = a % 10; a /= 10; b = b * 10 + c; } if (a) { c = a % 10; a /= 10; b = b * 10 + c; } if (a) { c = a % 10; a /= 10; b = b * 10 + c; } printf("%d\n", b);
    A: 321
    B: 0
    C: 123
    D: 不确定
    E: 代码不正确