数据结构与算法之枚举(穷举)法 C++实现
#include<iostream> const int COCKPR = 3; const int HENPR = 5; const double CHICKPR = 1/3; void buyChicken(int money, int chooks); int main() { int money = 100; int chooks = 100; buyChicken(money, chooks); return 0; } void buyChicken(int money, int chooks) { using namespace std; int MaxCock = money/COCKPR; int MaxHen = money/HENPR; int MaxChick = chooks; int cock,hen,chick; int count = 0; for(cock=0; cock<= MaxCock; cock++) { for(hen=0; hen<=MaxHen; hen++) { for(chick=0; chick<=MaxChick; chick++) { if (0 == chick%3 && cock + hen + chick == chooks && COCKPR*cock + HENPR*hen + CHICKPR*chick == money) cout << "公鸡: " << cock << " 母鸡: " << hen << " 小鸡: " << chick << " 第 " << count << "有结果" <<endl; count ++; } } } cout << "总共枚举多少次:" << count <<endl; }
#include<iostream> const int COCKPR = 3; const int HENPR = 5; const double CHICKPR = 1/3; void buyChicken(int money, int chooks); int main() { int money = 100; int chooks = 100; buyChicken(money, chooks); return 0; } void buyChicken(int money, int chooks) { using namespace std; int MaxCock = money/COCKPR; int MaxHen = money/HENPR; int MaxChick = chooks; int MinChick = chooks-MaxCock-MaxHen; int cock,hen,chick; int count = 0; for(cock=0; cock<= MaxCock; cock++) { for(hen=0; hen<=MaxHen; hen++) { for(chick=MinChick; chick<=MaxChick; chick++) { if (0 == chick%3 && cock + hen + chick == chooks && COCKPR*cock + HENPR*hen + CHICKPR*chick == money) cout << "公鸡: " << cock << " 母鸡: " << hen << " 小鸡: " << chick << " 第 " << count << "有结果" <<endl; count ++; } } } cout << "总共枚举多少次:" << count <<endl; }
#include<iostream> int main() { using namespace std; int t1,t2,t3,t4,t5; for (t1=1; t1<=9; t1++) { for(t2=0; t2<=9; t2++) { for(t3=0; t3<=9; t3++) { for(t4=0; t4<=9; t4++) { for(t5=0; t5<=9; t5++) { if(t5*100000 + t5*10000 + t5*1000 + t5*100 + t5*10 + t5 == t5*t1 + t4*t1*10 + t3*t1*100 + t2*t1*1000 + t1 *t1*10000 ) { cout << " 算的数值为: " << t1 << " 法的数值为: " << t2 << " 描的数值为: " <<t3 << " 述的数值为: " << t4 << " 题的数值为: " << t5<<endl; cout << " " << t1 << " " << t2 << " " << t3 << " " << t4 << " " << t5 <<endl; cout << "X " << t1<<endl; cout << "________________\n"; cout << " " << t5 << " " << t5 << " " << t5 << " " << t5 << " " << t5 << " " << t5 <<endl; } } } } } } return 0; }
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