www.pudn.com > wanlousheji.rar > lkq.cpp
#include int a[2000002]; int slove(int n) { int i,j,count; count=0; for(i=0;ia[j]) count++; } return count%2; } int main() { int n,i,p; while(1) { scanf("%d",&n); if(n==0) break; for(i=0;i