#include <cstdio>

int a[2 + 100][2 + 100];

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