贪心
鸡兔同笼
http://www.nowcoder.com/questionTerminal/fda725b4d9a14010bb145272cababef1
简单贪心
#include<iostream> using namespace std; int main() { int a; while(cin>>a) { if(a%2!=0) printf("0 0\n"); else { int max=a/2; int min=a/4; int remainder=a%4; min+=remainder/2; printf("%d %d\n",min,max); } } return 0; }