#include<stdio.h>
#define INF 1000000
int n,p[105][105];
void citire()
{
	scanf("%d",&n);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++){
			scanf("%d",&p[i][j]);
			if(p[i][j]==0)
				p[i][j]=INF;
		}
}
void roy()
{
	for(int k=1;k<=n;k++)
		for(int i=1;i<=n;i++)
			for(int j=1;j<=n;j++)
				if(p[i][j]>p[i][k]+p[k][j])
					p[i][j]=p[i][k]+p[k][j];
	for(int i=1;i<=n;++i)
		p[i][i]=0;
}
int main()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	citire();
	roy();
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++)
			printf("%d ", p[i][j] != INF ? p[i][j] : 0);
		printf("\n");
	}
	return 0;
}