#include <stdio.h>
#define INF 0x7fff
#define NM 101
int a[NM][NM],n;
void citire()
{ freopen("royfloyd.in","rt",stdin);
  scanf("%d",&n);
  int i,j;
  for (i=1;i<=n;i++)
	for (j=1;j<=n;j++)
		{ scanf("%d",&a[i][j]);
		  if (a[i][j]==0&&i!=j) a[i][j]=INF;
		}
  fclose(stdin);
}
void royfloyd()
{ int i,j,k;
  for (k=1;k<=n;k++)
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
			if (a[i][j]>a[i][k]+a[k][j]) a[i][j]=a[i][k]+a[k][j];
}
void afisare()
{ freopen("royfloyd.out","wt",stdout);
  int i,j;
  for (i=1;i<=n;i++)
	{ for (j=1;j<=n;j++)
		if (a[i][j]==INF) printf("0 ");
			else printf("%d ",a[i][j]);
	  printf("\n");
	}
  fclose(stdout);
}
int main()
{ citire();
  royfloyd();
  afisare();
  return 0;
}