#include <cstdio>

using namespace std;

int mat[101][101];

int main()
{
    int n, 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", &mat[i][j]);
            if(mat[i][j] == 0 && i != j)
                mat[i][j] = 0x3f3f3f3f;
        }
    for(k = 1; k <= n; ++k)
        for(i = 1; i <= n; ++i)
            for(j = 1; j <= n; ++j)
                if(mat[i][k] + mat[k][j] < mat[i][j])
                        mat[i][j] = mat[i][k] + mat[k][j];
    for(i = 1; i <= n; ++i) {
        for(j = 1; j <= n; ++j) {
            if(mat[i][j] == 0x3f3f3f3f)
                printf("0");
            else
                printf("%d ", mat[i][j]);
        }
        printf("\n");
    }
    return 0;
}