#include <bits/stdc++.h>
using namespace std;

ifstream fin("roy-floyd.in");
ofstream fout("roy-floyd.out");

int n, x, a[101][101];

int main(){
    fin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            fin >> a[i][j];

    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            if(i != j && a[i][j] == 0)
                a[i][j] = 100001;

    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(i != j)
                    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++){
            if(a[i][j] != 100001)
                fout << a[i][j] << ' ';
            else
                fout << 0 << ' ';
        }
        fout << '\n';
    }
}