f0216.cpp 百元买白鸡问题

//===============================//f0216.cpp//百元买白鸡问题//===============================#include<iostream>using namespace std;//-------------------------------void buyChick(){ for(int cock = 1; cock <= (100 - 6)/7; cock++) for(int hen = 1;hen <= (100 -8)/5;hen++){int chickMoney = 100 - 7 * cock - 5 * hen;if(chickMoney * 3 + cock + hen == 100)cout << "cock: " << cock << ";hen:" << hen << "; chick:" << chickMoney * 3 <<endl;}}//-------------------------------void buyChick2(){for(int cock = 1; cock <= (100 - 6)/7;cock++)for(int hen = 1, chick = 99 - cock; hen <= (100 - 8)/5; hen++,chick--)if(chick % 3 ==0 && 7 * cock + 5 * hen + chick/3 == 100)cout << "cock: " << cock << ";hen:" << hen << "; chick:" << chick <<endl;}//-------------------------------void buyChick3(){for(int cock = 1; cock <= (100 - 6)/7;cock++)for(int hen = 1;hen <= (100 -8)/5;hen++){if((100 - cock - hen) % 3) continue;if(7 * cock + 5 * hen + (100 - cock - hen)/3 - 100) continue;cout << "cock: " << cock << ";hen:" << hen << "; chick:" << 100 - cock - hen <<endl;}}//-------------------------------int main(){buyChick();buyChick2();buyChick3();return 0;}//===============================