#include <cstdio>

using namespace std;

const int nmx = 102;

int n,mat[nmx][nmx];

void citire()
{
    scanf("%d", &n);
    for(int i = 1; i <= n; ++i)
        for(int j = 1 ; j <= n; ++j)
            scanf("%d", &mat[i][j]);
}

void calcul()
{
    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] && (not mat[i][j] || mat[i][j] > mat[i][k] + mat[k][j]))
                    mat[i][j] = mat[i][k] + mat[k][j];
}

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

int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);
    citire();
    calcul();
    afish();
    return 0;
}