#include <stdio.h>
#define N 101
int n,a[N][N];
void scan()
{
	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]);
}
void solve()
{
	for(int ni=1;ni<=n;++ni)
		for(int i=1;i<=n;++i)
			for(int j=1;j<=n;++j)
				if (a[i][ni] && a[ni][j] && a[i][ni] + a[ni][j] < a[i][j])  
                    a[i][j]=a[i][ni]+a[ni][j];  
}
void print()
{
	for(int i=1;i<=n;++i)
	{
		for(int j=1;j<=n;++j)
			printf("%d ",a[i][j]);
		printf("\n");
	}
}	
int main()
{
	scan();
	solve();
	print();
	return 0;
}