#include<cstdio>
#include<fstream>
#include<iostream>
#include<iomanip>
#include<algorithm>
#include<vector>
#include<bitset>
#include<deque>
#include<queue>
#include<set>
#include<map>
#include<cmath>
#include<cstring>
#include<ctime>
#include<cstdlib>
#include<unordered_map>

#define ll long long
#define pb push_back
#define mp make_pair
#define pii pair<int,int>
#define pll pair<ll,ll>

using namespace std;

const int nmax = 105;

int n, i, j, k, d[nmax][nmax];

int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    scanf("%d", &n);

    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
            scanf("%d", &d[i][j]);

    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(i != j && i != k && j != k && d[i][k] && d[k][j] && ((d[i][k] + d[k][j] < d[i][j]) || (!d[i][j])))
                    d[i][j] = d[i][k] + d[k][j];

    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
            printf("%d ", d[i][j]);
        printf("\n");
    }

    return 0;
}