#include<cstdio>
int a[101][101],n,i,j,k;

void citire()
{
	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]);
}

void roy()
{
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(a[i][k]!=0 && a[k][j]!=0 && (a[i][j]>a[i][k]+a[k][j] || a[i][j]==0) && i!=j)a[i][j]=a[i][k]+a[k][j];
}

void afisare()
{
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++)printf("%d ",a[i][j]);
		printf("\n");
	}
}
	
int main()
{
	citire();
	roy();
	afisare();
	return 0;
}