//roy floyd bc

#include <stdio.h>
#define max 50000

int a[101][101];
int n;

int min(int x, int y)
{
	return x<y?x:y;
}

int main()
{
	int i,j,k;
	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]);
			if(i!=j && a[i][j]==0)
				a[i][j]=max;
		}
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				a[i][j]=min(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");
	}
	fclose(stdout);
	return 0;
}