#include <bits/stdc++.h>
#define NMAX 105
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int D[NMAX][NMAX];
int main()
{
    int n;
    fin>>n;
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
            fin>>D[i][j];
    }
    for(int z=1;z<=n;++z)
    {
        for(int x=1;x<=n;++x)
        {
            for(int y=1;y<=n;++y)
            if(x!=y)
            {if(D[x][z]&&D[z][y]) {if(D[x][y]) D[x][y]=min(D[x][y],D[x][z]+D[z][y]); else D[x][y]=D[x][z]+D[z][y];}}
        }
    }
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
            fout<<D[i][j]<<" ";
        fout<<"\n";
    }
    return 0;
}