把第九行放到main函数外,原因是`int a[n][n]={0};`不能将a数组初始化 by qweradf @ 2023-09-18 10:26:02
@[qwqer233](/user/442116) 初始化问题解决了,非常感谢 by dazahui @ 2023-09-18 18:26:31