#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    ifstream be("royfloid.in");
    ofstream ki("royfloid.out");

    int a[101][101];
    int n;
    be >> n;
    for(int i = 1;i<=n;i++) {
        for(int j = 1;j<=n;j++) {
            be >> a[i][j];
        }
    }

    for(int k = 1;k<=n;k++) {
        for(int i = 1;i<=n;i++) {
            for(int j = 1;j<=n;j++) {
                if(a[i][j]==0) {
                    if(i !=j) {
                        a[i][j] = a[i][k] + a[k][j];
                    }
                }
                else {
                    if(a[i][j]>a[i][k] + a[k][j]) {
                        a[i][j] = a[i][k] + a[k][j] ;
                    }
                }
            }
        }
    }

    for(int i = 1;i<=n;i++) {
        for(int j = 1;j<=n;j++) {
            ki << a[i][j] ;
        }
        ki << endl;
    }
    return 0;
}