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python/TangDou/LuoGuBook/P2241.cpp
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#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
/**
母题P1548
一、算正方形的个数
枚举每一个格子,看以它为左上角的矩形共有多少个(正方形与长方形同属于矩形)
二、算长方形个数(矩形=长方形+正方形)
1.其实算长方形并不常见,但算矩形大家应该经常遇到,所以如果你会算矩形,再联系第一个问题,那答案就转化为 矩形个数-正方形个数.
2.像求解正方形个数一样,固定矩形右下角(i,j),显然此时矩形个数为i*j.
3.同理,求和即可.然后,再减去正方形的个数就是长方形的个数啦。
*/
LL n, m, s1, s2;
int main() {
cin >> n >> m;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++) {
s1 += min(i, j);//也可以理解为左上角
s2 += i * j; //也可以理解为左上角开始,也是一样的
}
cout << s1 << " " << s2 - s1 << endl;
return 0;
}