#include<stdio.h>
#define N 100
int n,a[N][N];
void read()
{
	int i,j;
	scanf("%d",&n);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			scanf("%d",&a[i][j]);
}
void solve()
{
	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()
{
	int i,j;
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++)
			printf("%d ",a[i][j]);
		printf("\n");
	}
}
int main()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	read();
	solve();
	afis();
	return 0;
}