#include<stdio.h>
int n,i,j,k,a[101][101],oo=10000000;
void read(),solve();
int main()
{
	read();
	solve();
	return 0;
}
void read()
{
	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]);
		    if(!a[i][j])a[i][j]=oo;
		}
		for(i=1;i<=n;i++)a[i][i]=0;
}
void solve()
{
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
                a[i][j]=a[i][j]>a[i][k]+a[k][j]?a[i][k]+a[k][j]:a[i][j];
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)a[i][j]==oo?printf("0 "):printf("%d ",a[i][j]);
		printf("\n");
	}
}