#include <iostream> #include <algorithm> #include <cstring> using namespace std; int main() { int i,j,k,a[233]={0}; while(cin>>i){ if(i==-1) break; a[i]++; if(i==0){ k=0; for(j=2;j<=100;j+=2){ if(a[j/2]>0) k+=a[j]; } cout<<k<<endl; memset(a,0,sizeof(a)); } } return 0; }
HDU 1303 Doubles
猜你喜欢
转载自blog.csdn.net/Janilina/article/details/80726040
今日推荐
周排行