// #include <ctime>
inline auto click()
{
static auto begin = clock();
auto end = clock();
auto ret = (float)(end - begin) / CLOCKS_PER_SEC;
begin = end;
return ret;
}
每日归档: 2021年4月28日
[力扣] 算法 633 (C++)
633. 平方数之和
class Solution {
public:
bool judgeSquareSum(int c) {
auto i = 0L;
auto j = long(sqrt(c));
while(i <= j) {
auto rsl = i * i + j * j;
if (rsl == c)
return true;
if (rsl < c)
i++;
else
j--;
}
return false;
}
};