#include <stdio.h>

int n;
int v[105][105];//, r[105][105];

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

    scanf("%d", &n);
    for (int i = 0; i < n; i++)
        for (int j = 0; j < n; j++)
        {
            scanf("%d", &v[i][j]);
            //r[i][j]=1005; //>maximum value
        }
    for (int k = 0; k < n; k++)
        for (int i = 0; i < n; i++)
            for (int j = 0; j < n; j++)
                if(v[i][k] && v[k][j])
                if((v[i][k] + v[k][j] < v[i][j] || !v[i][j]) && i != j)
                    v[i][j] = v[i][k] + v[k][j];
    
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            printf("%d ", v[i][j]);
            //r[i][j]=1005; //>maximum value
        }
        printf("\n");
    }

    return 0;
}