#include<cstdio>
using namespace std;
int n,a[105][105];
int main()
{
    int i,j,k;
    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]);
    for (k=1;k<=n;++k)
        for (i=1;i<=n;++i)
            for (j=1;j<=n;++j)
                if (i!=j && a[i][k]*a[k][j])
                    if (a[i][j]>a[i][k]+a[k][j] || !a[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;
}