#include <stdio.h>
#define NMAX 102
#define FOR(a) for(a=1;a<=N;a++)
int c[NMAX][NMAX],N,i,j,k;

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