AUGMIS2E5.cpp

#include <iostream>
using namespace std;

int main() { 

    int n,i,j;
	float m[51][50];
	cin>>n;
    
    for (i = 0; i < n; i++)
		for (j = 0; j < n; j++)
			cin>>m[i][j];
	
    for (i = 0; i < n; i++) {
		
        float suma = 0;
		    for (j = 0; j < n; j++)
			    suma += m[j][i];
		
        for (j = n; j > n/2; j--)
			m[j][i] = m[j - 1][i];
		
        m[n/2][i] = suma/n;
	
    }
	for (i = 0; i < n + 1; i++) {
		for (j = 0; j < n; j++)
			cout<<m[i][j]<<" ";
		cout<<'\n';
	}
	
    return 0;
}