#include<stdio.h>
int m[101][101],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(m[i][j]>m[i][k]+m[k][j])
		        m[i][j]=m[i][k]+m[k][j];
}
int main()
{int i,j,a;
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);
		if(a==0)
			a=1001;
		m[i][j]=a;
	}
royfloyd();	

for(i=1;i<=n;i++){
	if(i>1)
		printf("\n");
	for(j=1;j<=n;j++){
		if(m[i][j]==1001 || i==j)
			printf("0 ");
		else
		    printf("%d ",m[i][j]);
	}
}	
	
	
	
	return 0;
}