poj 1747 Expression

#include<iostream>using namespace std;void solve(int n){if(n==1)printf("((A0|B0)|(A0|B0))");else{printf("((A%d|B%d)|(",n-1,n-1);solve(n-1);printf("|((A%d|A%d)|(B%d|B%d))))",n-1,n-1,n-1,n-1);}}int main(){int n;scanf("%d",&n);solve(n);printf("n");return 0;}