#include <cstdio>
#define MaxN 109
#define Inf 20000009

int a[MaxN][MaxN],n;

int main()
{
	freopen("royfloyd.in","r",stdin);
	scanf("%d",&n);
	
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
		{
			int x;
			scanf("%d",&x);
			if(!x && i!=j)
				a[i][j]=Inf;
			else
				a[i][j]=x;
		}
	
	for(int k=1;k<=n;k++)
		for(int i=1;i<=n;i++)
			for(int j=1;j<=n;j++)
				if(a[i][j]>a[i][k]+a[k][j])
					a[i][j]=a[i][k]+a[k][j];
	
	freopen("royfloyd.out","w",stdout);
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
			if(a[i][j]==Inf)
				printf("0 ");
			else
				printf("%d ",a[i][j]);
		printf("\n");
	}
	return 0;
}