#include <bits/stdc++.h>
#define NMAX 103
#define INF 1001

using namespace std;

int dp[NMAX][NMAX];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n;
    cin >> n;
    for(int i =  1; i <= n; i++)
        for(int j = 1; j <= n; j++) {
            cin >> dp[i][j];
            if(dp[i][j] == 0)
                dp[i][j] = INF;
        }
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(i != j && dp[i][k] != INF && dp[k][j] != INF)
                    dp[i][j] = min(dp[i][j],dp[i][k] + dp[k][j] );
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++)
            if(dp[i][j] == INF)cout << 0 << ' ';
            else cout << dp[i][j] << ' ';
        cout << '\n';
    }



    return 0;
}