#include <bits/stdc++.h>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int NMAX = 100;
const int INF = 1e9;

int dp[NMAX + 1][NMAX + 1];

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