#include<stdio.h>
int n,i,j,k,a[101][101];
int main()
{
	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]);
	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];  
	for(i=1;i<=n;i++)   
    {  
        for(j=1;j<=n;j++) printf("%d ",a[i][j]);  
        printf("\n");  
    }  
	return 0;
}