#include <stdio.h>
#define INF 0x3F3F3F3F
#define N 100

int a[N+1][N+1];
int main (void) {
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    int n;
    scanf("%d", &n);

    int i, j, k;
    for (i=1; i<=n; ++i)
        for (j=1; j<=n; ++j) {
            scanf("%d", &a[i][j]);
            if (i!=j && !a[i][j])
                a[i][j]=INF;
        }

    for (k=1; k<=n; ++k)
        for (i=1; i<=n; ++i)
            for (j=1; j<=n; ++j)
                if (a[i][j] > a[i][k] + a[k][j])
                    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]);
        printf("\n");
    }
    return 0;
}