#include <bits/stdc++.h>

using namespace std;

ifstream fi("royfloyd.in");
ofstream fo("royfloyd.out");

const int maxn = 100;
const int inf  = 0x3f3f3f3f;

int n, d[maxn + 1][maxn + 1], c[maxn + 1][maxn + 1];

int main()
{
  fi >> n;
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n; j++) {
      fi >> c[ i ][ j ];
    }
  }

  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n; j++) {
      d[ i ][ j ] = inf;
      if (c[ i ][ j ])
        d[ i ][ j ] = c[ i ][ j ];
    }
    d[ i ][ i ] = 0;
  }

  for (int k = 1; k <= n; k++) {
    for (int i = 1; i <= n; i++) {
      for (int j = 1; j <= n; j++) {
        if (k != i && k != j) {
            if (d[ i ][ k ] != inf && d[ k ][ j ] != inf)
                d[ i ][ j ] = min(d[ i ][ j ], d[ i ][ k ] + d[ k ][ j ]);
          }
        }
      }
    }

  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n; j++) {
      if (d[ i ][ j ] != inf) {
        fo << d[ i ][ j ] << ' ';
      } else {
        fo << "0 ";
      }
    }
    fo << '\n';
  }

  return 0;
}