题目解析
代码
cpp
/**
* Author by Rainboy blog: https://rainboylv.com github : https://github.com/rainboylvx
* rbook: -> https://rbook.roj.ac.cn https://rbook2.roj.ac.cn
* date: 2026-02-10 15:04:40
*/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
const int maxn = 2e6+5;
int n,m;
int a[maxn];
void init(){
}
signed main () {
ios::sync_with_stdio(false); cin.tie(0);
std::cin >> n;
std::cin >> m;
ll tot_square = 0;
int limit = min(n,m);
for(int i = 1;i <= limit ;++i ) // i: 1->limit
{
tot_square += (n - i + 1) * ( m - i + 1);
}
std::cout << tot_square << " ";
ll tot_rect = 0;
for(int i = 1;i <= n ;++i ) // i: 1->n
{
for(int j = 1;j <= m ;++j ) // j: 1->m
{
if( i == j) continue;
tot_rect += (n -i + 1) * ( m - j + 1);
}
}
std::cout << tot_rect << "\n";
return 0;
}