#include <cstdio>
using namespace std;
int main()
{   freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
    int n,i,j,k,v[111][111];
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {scanf("%d",&(v[i][j]));if(v[i][j]==0&&i!=j)v[i][j]=213456789;}



    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        if(v[i][j]>v[i][k]+v[k][j])v[i][j]=v[i][k]+v[k][j];

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