#include<stdio.h>
using namespace std;
int n;
int a[102][102];

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

void rezolv()
{
	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]=a[i][k]+a[k][j];
}

void scrie()
{
	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);
	citire();
	rezolv();
	scrie();
	fclose(stdin);
	fclose(stdout);
	return 0;
}