class Solution {
public:
class Sum
{
public:
Sum()
{
_sum += _i;
++_i;
}
};
int Sum_Solution(int n)
{
_sum = 0;
_i = 1;
Sum array[n];
return _sum;
}
static size_t _sum;
static size_t _i;
};
size_t Solution::_sum = 0;
size_t Solution::_i = 1;
C#使用条件语句判断用户登录身份
2024-07-16 03:14:02 49 阅读
