#include <bits/stdc++.h>

#define INF (1 << 30)
#define LLINF (1LL << 62)
#define mod 666013

using namespace std;

int n, i, j, k;
int a[105][105];

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", &a[i][j]);
            if(!a[i][j])
                a[i][j] = INF;
        }

    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            if(a[i][k] != INF)
                for(j = 1; j <= n; j++)
                    if(a[k][j] != INF && a[i][j] > a[i][k] + a[k][j])
                        a[i][j] = a[i][k] + a[k][j];

    for(i = 1; i <= n; i++)
        a[i][i] = 0;

    for(i = 1; i <= n; i++, printf("\n"))
        for(j = 1; j <= n; j++)
            printf("%d ", (a[i][j] != INF ? a[i][j] : 0));

    return 0;
}