#include<cstdio>

const int nmax=105;

int a[105][105];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int x,y,n,i,k,j;
    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]&&(a[i][j]==0||a[i][j]>a[i][k]+a[k][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");
    }
}