#include <bits/stdc++.h>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int inf = 1e9+7;

int n, dp[105][105];

int main()
{
    fin>>n;
    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
        {
            fin>>dp[i][j];
            if(i != j && dp[i][j] == 0)
                dp[i][j] = inf;
        }
    }

    for(int k = 1; k <= n; ++k)
    {
        for(int i = 1; i <= n; ++i)
        {
            for(int j = 1; j <= n; ++j)
            {
                if(i == j)
                    continue;
                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
            }
        }
    }
    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
        {
            if(dp[i][j] == inf)
                fout<<"0 ";
            else
                fout<<dp[i][j]<<" ";
        }
        fout<<"\n";
    }
    return 0;
}