#include <iostream>
#include <fstream>
#define inFile "royfloyd.in"
#define outFile "royfloyd.out"

using namespace std;

int main()
{
    int n,i,j,k,dist[103][103];
    ifstream fin(inFile);
    ofstream fout(outFile);
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>dist[i][j];
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if((dist[i][j]>dist[i][k]+dist[k][j] || dist[i][j]==0) && dist[i][k]>0 && dist[k][j]>0 && i!=j)
                    dist[i][j]=dist[i][k]+dist[k][j];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fout<<dist[i][j]<<" ";
        fout<<"\n";
    }
}