#include <stdio.h>
#include <stdlib.h>
#define N 100
#define INF 1e6

int d[N+1][N+1];

int main()
{
    FILE *in, *out;
    in = fopen("royfloyd.in", "r");
    out = fopen("royfloyd.out", "w");
    int n, i, j, k;
    fscanf(in, "%d", &n);
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
        {
            fscanf(in, "%d", &d[i][j]);
            if (i != j && d[i][j] == 0)
            {
                d[i][j] = INF;
            }
            //pred[i][j] = i;
        }
    }
    fclose(in);
    for (k = 1; k <= n; k++)
    {
        for (i = 1; i <= n; i++)
        {
            for (j = 1; j <= n; j++)
            {
                if (d[i][k] + d[k][j] < d[i][j])
                {
                    d[i][j] = d[i][k] + d[k][j];
                    //pred[i][j] = pred[k][j];
                }
            }
        }
    }
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
        {
            if (i != j && d[i][j] == INF)
            {
                d[i][j] = 0;
            }
            fprintf(out, "%d ", d[i][j]);
        }
        fprintf(out, "\n");
    }
    fclose(out);
    return 0;
}