#include<cstdio>

using namespace std;

int mat[105][105];

int main()
{
  freopen("royfloyd.in", "r", stdin);
  freopen("royfloyd.out", "w", stdout);
  int n, i, j, k;
  scanf("%d", &n);
  for(i = 1; i <= n; ++ i)
    for(j = 1; j <= n; ++ j)
      scanf("%d", &mat[i][j]);
  for(k = 1; k <= n; ++ k)
    for(i = 1; i <= n; ++ i)
      for(j = 1; j <= n; ++ j)
        if(i != j)
          if(mat[i][k] && mat[k][j] && (mat[i][j] > mat[i][k] + mat[k][j] || ! mat[i][j]))
            mat[i][j] = mat[i][k] + mat[k][j];
  for(i = 1; i <= n; ++ i)
  {
    for(j = 1; j <= n; ++ j)
      printf("%d ", mat[i][j]);
    printf("\n");
  }
  return 0;
}