额.......................................................................................................................................................................................................


```cpp
#include<iostream>
using namespace std;int n,a,m;int main(){cin>>n>>m;for(int i=0;i<n;i++){for(int j=0;j<m;j++){cin>>a;cout<<a<<" ";}cout<<endl;}}
```


为啥错了
```cpp
#include <bits/stdc++.h>
using namespace std;
int k[110][110],n,m;
int main(){
	cin>>n>>m;
    for(int i=0;i<n;i++){
		for(int j=0;j<m;i++) cin>>k[i][j];
    }for(int i=0;i<n;i++){
		for(int j=0;j<m;i++) cout<<k[i][j]<<" ";
        cout<<endl;
    }
	return 0;
}
```


?

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