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