#include <cstdio>

using namespace std;
int i,j,k,n,a[105][105];

void rf()
{
    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][k]+a[k][j]||!a[i][j])
                   &&i!=j)
                   a[i][j]=a[i][k]+a[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",&a[i][j]);
    rf();

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


    return 0;
}