#include<cstdio>
int a[101][101],i,j,n,m,k;
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]);
        if(a[i][j]==0)
            a[i][j]=1000000000;
        }
for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            if(i!=j&&j!=k&&i!=k)
                if(a[i][j]+a[j][k]<a[i][k])
                    a[i][k]=a[i][j]+a[j][k];
for(i=1;i<=n;i++)
    {
    for(j=1;j<=n;j++)
        if(a[i][j]!=1000000000)
            printf("%d ",a[i][j]);
        else
            printf("0 ");
    printf("\n");
    }
return 0;
}