#include <stdio.h>
#define FIN "royfloyd.in"
#define FOUT "royfloyd.out"

int n, a[105][105];

void ReadFloydInput()
{
    freopen(FIN, "r",stdin);
    freopen(FOUT, "w",stdout);

    int i,j;
    scanf("%d",&n);
    for(i = 1; i <= n; ++i)
	for(j = 1; j <= n; ++j)
 	   scanf("%d",&a[i][j]);
}

void Solve()
{
   int k,i,j;
   for(k = 1; k <= n; ++k)
      for(i = 1; i <=n; ++i)
	  for(j = 1; j <= n; ++j)
 	     if( a[k][j] && a[i][k] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)  a[i][j] = a[i][k] + a[k][j];
}

void WriteFloydOutput()
{
  int i,j;
  for(i = 1; i <= n; ++i){
	for(j = 1; j <= n; ++j)
 	   printf("%d ",a[i][j]);
	printf("\n");
  }
}

int main()
{
    ReadFloydInput();
    Solve();
    WriteFloydOutput();

    return 0;
}