#include <cstdio>

using namespace std;

const int Nmax = 110;

int n , i , j;
int mat[Nmax][Nmax];

void roy_floyd()
{
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                if (i != j && mat[i][k] && mat[k][j] && (mat[i][j] > mat[i][k] + mat[k][j] || !mat[i][j]))
                    mat[i][j] = mat[i][k] + mat[k][j];
}

int main()
{
    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]);

    roy_floyd();

    for (i = 1; i <= n; printf("\n"), ++i)
        for (j = 1; j <= n; ++j)
            printf("%d ", mat[i][j]);

    return 0;
}