#include <cstdio>
#include <queue>
#include <vector>
#define inf 999999999
using namespace std;

queue<int> q;
vector<int>G[102], C[102];
int n, m, i, x, y, c, d[102], j, k, a[102][102];



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++){
            for (j=1; j<=n; j++){
                a[i][j]=min(a[i][j], a[i][k]+a[k][j]);
            }
        }
    }

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