#include <cstdio>

using namespace std;

int a[101][101], n, i, j, k;

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

    scanf("%d\n",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            scanf("%d ",&a[i][j]);
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if((a[i][k]+a[k][j]<a[i][j] || !a[i][j]) && i!=j)
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}