#include<iostream>
#include<cstdio>
using namespace std;
int a[105][105],n,i,j;

void roy_floyd()
{
	int i, j, k;
	for(k=1;k<=n;++k)
		for (i=1;i<=n;++i)
			for (j=1;j<=n;++j)
				if(a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) 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(i=1;i<=n;++i)
		for(j=1;j<=n;++j)
			scanf("%d",&a[i][j]);
		
	roy_floyd();
	
	for(i=1;i<=n;++i)
	{
		for(j=1;j<=n;++j)
			printf("%d ",a[i][j]);
		printf("\n");
	}
	
	printf("\n");
	return 0;
}