#include <stdio.h>
#include <stdlib.h>

int main(void) {
    FILE *in = freopen("royfloyd.in", "r", stdin);
    FILE *out = freopen("royfloyd.out", "w", stdout);
    int n, i, j, k;
    int m[100][100];

    fscanf(in, "%d", &n);
    for (i = 0; i < n; i++)
        for (j = 0; j < n; j++)
            fscanf(in, "%d", &m[i][j]);

    for (k = 0; k < n; k++)
        for (i = 0; i < n; i++)
            for (j = 0; j < n; j++)
                if(i==j) continue;
                if (m[i][k] && m[k][j] && (m[i][k] + m[k][j] < m[i][j])) {
                    m[i][j] = m[i][k] + m[k][j];
                }

    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++)
            fprintf(out, "%d ", m[i][j]);
        fprintf(out, "\n");
    }

    return EXIT_SUCCESS;
}