1 在强制类型转换的时候 转换的数据不要加括号!
long long tem = (long long) b[i] * c[i];
上面是对的
long long tem = (long long) (b[i] * c[i]);
这个就是错的
1 在强制类型转换的时候 转换的数据不要加括号!
long long tem = (long long) b[i] * c[i];
上面是对的
long long tem = (long long) (b[i] * c[i]);
这个就是错的