#include <fstream>

using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
const int INF=1e7+1,N=101;
int a[N][N],minDist[N][N];
int main()
{
    int n,i,j,k;
    cin>>n;
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++){
        cin>>a[i][j];
        if(a[i][j]==0)
            a[i][j]=INF;
        minDist[i][j]=a[i][j];
    }
    for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    {
        if(minDist[i][j]>minDist[i][k]+minDist[k][j])
            minDist[i][j]=minDist[i][k]+minDist[k][j];
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            if(i==j)
                cout<<"0 ";
            else
                cout<<minDist[i][j]<<" ";
        cout<<'\n';
    }
    return 0;
}