#include <stdio.h>

inline int min(int a,int b)
{
return	a<b? a:b;
}



int main()
{
	FILE *file;
	file = new FILE;

	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);

	int n,a[100][100];
	scanf("%d",&n);

	for(int i=1;i<=n;++i)
		for(int j=1;j<=n;++j)		
			scanf("%d",&a[i][j]);

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