#include <cstdio>
using namespace std;
int N,i,j,k,a[105][105];
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]);
    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][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++,printf("\n")) for (j=1;j<=N;j++) printf("%d ",a[i][j]);
    return 0;
}