#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <cmath>
#include <algorithm>
#include <vector>
#include <queue>
#include <deque>

#define INF (1<<30)
#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(i != j && a[i][j] == 0)
                a[i][j] = INF;
        }
    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            if(i != k)
                for(j = 1; j <= n; j++)
                        if (i != j && j != k && a[i][k] && a[k][j] && (a[i][k] + a[k][j] < a[i][j]) )
                            a[i][j] = a[i][k] + a[k][j];

    for(i = 1; i <= n; i++, printf("\n"))
        for(j = 1; j <= n; j++)
            printf("%d ", a[i][j]);
    return 0;
}