#include <stdio.h>

int i,j,k,N,v[100][100];

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