#include<stdio.h>
#define N 1000
int n;
int 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 afis()
{
	int i,j;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
			printf("%d ",a[i][j]);
		printf("\n");
	}
}

void royfloyd()
{
	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][j]==0)&&(a[i][k]!=0)&&(a[k][j]!=0)&&i!=j)
					a[i][j]=a[i][k]+a[k][j];
}


int main()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	read();
	royfloyd();
	afis();
	return 0;
}