#include<stdio.h>
#include<stdlib.h>
int n,a[105][105];
void citire()
{
	
	freopen( "royfloyd.in","r",stdin);
	freopen( "royfloyd.out","w",stdout);
	int i,j;
	scanf("%d",&n);
	for( i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			scanf( "%d",&a[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];
}
void afis()
{
	for( int i=1;i<=n;i++)
			{
				for( int j=1;j<=n;j++)
					printf("%d ", a[i][j]);
				printf(  "\n");
			}
}

int main()
{
	citire();
	roy_floyd();
	afis();
	
	return 0;
}