#include <iostream> #include <cmath> #include <iomanip> #include <stack> #include <algorithm> #include <string> #include <cstring> #include <cstdio> using namespace std; int a [110][110] , b[110][110]; int n , m; int main() { cin >> n >> m; for (int i = 1;i <= n;i++) { for (int j = 1;j <= m;j++) { cin >> a[i][j]; } }//输入a for (int i = 1;i <= n;i++) { for (int j = 1;j <= m;j++) { cin >> b[i][j];//输入b cout << a[i][j] + b[i][j] << " ";//输出 } cout << endl; } return 0; }

#include<iostream>
using namespace std;
int main()
{
    int n,m;
    cin>>n>>m;
    int arr1[n][m],arr2[n][m];
    for(int i=0;i<n;i++)for(int j=0;j<m;j++)cin>>arr1[i][j];
    for(int i=0;i<n;i++)for(int j=0;j<m;j++)cin>>arr2[i][j];
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<m;j++)cout<<arr1[i][j]+arr2[i][j]<<' ';
        cout<<endl;
    }
    return 0;
}

超短代码 so easy!🎉️

#include<bits/stdc++.h>
using namespace std;
int a[105][105],b[105][105],n,m;
int main(){
	cin>>n>>m;
	for(int i=0;i<n;i++)for(int j=0;j<m;j++)cin>>a[i][j];
	for(int i=0;i<n;i++){
		for(int j=0;j<m;j++){
			cin>>b[i][j];
			cout<<a[i][j]+b[i][j]<<" ";
		}cout<<endl;
	}
	return 0;
}

#include <iostream>
#include <algorithm>
using namespace std;
int maxx=0x3f3f3f;
const int N=1e2+10;
int a[N][N],b[N][N],n,m;
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++)
		{
			cin>>b[i][j];
			cout<<a[i][j]+b[i][j]<<" ";
		}
		cout<<endl;
	}
	return 0;
}