
```cpp
#include<bits/stdc++.h>
using namespace std;
int n,m,a[501][501],cnt;
int main()
{
    cin>>n>>m;
    for(int i=1;i<=n;i++)for(int j=1;j<=m;j++)cin>>a[i][j];
    for(int i=1;i<=n;i++)for(int j=1;j<=m;j++)if(i+1<=n&&j+1<=m)if(a[i][j]*a[i+1】[j+1]==a[i+1][j]*a[i][j+1])cnt++;
    cout<<cnt;
}
```


![](https://attach.acgo.cn/picture/a159b9091e3a42d496a26a29b888c93d.png)

![](https://attach.acgo.cn/picture/64eba646c8574aba9e5332c81bf4db4e.png)



用双重for再加一大坨if不就好了

哈哈

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