#include <cstdio>
#define INF 1 << 20

int main() {
    int n, a[101][101] {}, i, j, k;
    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)
                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");
    }
}