#include<stdio.h>
#define INF 0x7FFFFFFF

int a[128][128];

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