#include<cstdio>

int n;

int a[1<<8][1<<8];

void royfloyd()
{
	
	for (int k=1;k<=n;k++)
		for (int i=1;i<=n;i++)
			for (int j=1;j<=n;j++)
			{
				if (i==j) continue;
				if (!a[i][k]) continue;
				if (!a[k][j]) continue;
				if (a[i][j] < a[i][k]+a[k][j]) continue;
				a[i][j]=a[i][k]+a[k][j];
				
			}
	
	
}

int main()
{
	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("%d", &a[i][j]);

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