#include <cstdio>

using namespace std;

int n,a[102][102];

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

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

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

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