#include <stdio.h>
#define INF 10000000
long min(long a,long b){return a<b?a:b;}

int main(){
	long a[105][105];
	int n;
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);

	scanf("%d",&n);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
		{	scanf("%ld",&a[i][j]);
			if(a[i][j]==0 && i!=j)
				a[i][j]=INF;
		}
	for(int k=1;k<=n;k++)
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
			a[i][j]=min(a[i][j],a[i][k]+a[k][j]);

	

	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++)
		{	if(a[i][j]==INF)
				a[i][j]=0;
			printf("%ld ",a[i][j]);
		}
			printf("\n");
	
	}
	return 0;
}