#include <iostream>
#include <cstdio>
#define N 105
#define inf 0x3f3f3f3f

using namespace std;

int n, mat[N][N];

int prelucrare()
{
    int tmp;

    for(int k = 1 ; k <= n ; ++k)
    {
        for(int i = 1 ; i <= n ; ++i)
        {
            for(int j = 1 ; j <= n ; ++j)
            {
                tmp = mat[i][k] + mat[k][j];

                if(tmp < mat[i][j])
                {
                    mat[i][j] = tmp;
                }
            }
        }
    }
}

void afisare()
{
    for(int i = 1 ; i <= n ; ++i)
    {
        for(int j = 1 ; j <= n ; ++j)
        {
            if(mat[i][j] == inf)
            {
                printf("0 ");
            }
            else
            {
                printf("%d ",mat[i][j]);
            }
        }
        printf("\n");
    }
}

void citire()
{
    scanf("%d\n",&n);

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

            if(i == j)
            {
                continue;
            }

            if(!mat[i][j])
            {
                mat[i][j] = inf;
            }
        }
        scanf("\n");
    }

    prelucrare();

    afisare();
}

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    citire();

    return 0;
}