#include <stdio.h>
#include <stdlib.h>

int main() {
	int a[110][111],i,j,k,n;
	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",&a[i][j]);
	
	for(k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (a[i][k]&&a[k][j]&&(i!=j)&&(a[i][k]+a[k][j]<a[i][j] || !a[i][j])) a[i][j]=a[i][k]+a[k][j];
			
	for (i=1;i<=n;i++) {
		for (j=1;j<=n;j++) printf ("%d ",a[i][j]);
		printf ("\n");
	}
	
	
}