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兔子繁殖问题实验题目

题目一：经典兔子繁殖问题

编写一个程序，模拟兔子繁殖过程，计算第20个月和第15个月的兔子对数。初始时有一对成年兔子，每对兔子每月繁殖一对兔子，兔子不会死亡。

题目二：兔子繁殖次数限制

在经典问题的基础上，设定每对兔子繁殖两代后死亡，计算第20个月和第15个月的兔子对数。

题目三：繁殖间隔和死亡时间

设定兔子每K个月繁殖一次，每对兔子繁殖P代后死亡，计算第N个月的兔子对数。

问题分析

这三个题目看似复杂，但实际上可以通过简单的数据结构和逻辑实现。主要操作包括兔子出生和死亡的判断。可以使用向量存储兔子实例，通过循环模拟每月的繁殖和死亡过程。

源码实现

#include 
   
    #include 
    
     #include 
     
      using namespace std;class rabbit {private:    bool Is_Adult;    bool Is_Death;    int Grown_Time;    int Breed_Time;    int DEATH_TIME;    int MATURE_TIME;public:    rabbit(int Death_Time, int Mature_Time) {        DEATH_TIME = Death_Time;        MATURE_TIME = Mature_Time;        Is_Adult = false;        Is_Death = false;        Grown_Time = 0;        Breed_Time = 0;    }    bool Get_Is_Adult() { return Is_Adult; }    bool Get_Is_Death() { return Is_Death; }    int Get_Grown_Time() { return Grown_Time; }    int Get_Breed_Time() { return Breed_Time; }    void Add_Grown_Time() {        Grown_Time++;        if (Grown_Time >= MATURE_TIME)            Is_Adult = true;    }    void Add_Breed_Time() {        Breed_Time++;        if (Breed_Time >= DEATH_TIME)            Is_Death = true;    }};int Compute_Num(int Month_Num, vector
      
        Rabbits, int Death_Time, int Mature_Time) {    for (int i = 0; i < Month_Num; i++) {        int Rabbits_Size_Now = Rabbits.size();        int Dead_Rabbits = 0;        int Born_Rabbits = 0;        for (int j = 0; j < Rabbits_Size_Now;) {            if (Rabbits[j].Get_Is_Death()) {                Rabbits.erase(Rabbits.begin() + j);                Rabbits_Size_Now--;                Dead_Rabbits++;                continue;            }            if (Rabbits[j].Get_Is_Adult()) {                rabbit *r = new rabbit(Death_Time, Mature_Time);                Rabbits.push_back(*r);                Rabbits[j].Add_Breed_Time();                Born_Rabbits++;                Rabbits_Size_Now++;                if (Rabbits[j].Get_Is_Death()) {                    Rabbits.erase(Rabbits.begin() + j);                    Rabbits_Size_Now--;                    Dead_Rabbits++;                    continue;                }            }            else                Rabbits[j].Add_Grown_Time();            j++;        }        printf("The %2d month has %2d rabbits!\n", i+1, Rabbits.size());        if (Dead_Rabbits) printf("The %2d month has %2d rabbits dead!\n", i+1, Dead_Rabbits);        if (Born_Rabbits) printf("The %2d month has %2d rabbits born!\n", i+1, Born_Rabbits);    }    return Rabbits.size();}int main() {    int Death_Time, Mature_Time, Month_Num;    char s[200] = "Example: Death_Time = 100000000, Mature_Time = 2, Month_Num = 12";    cout "/";    for (int i = 0; i < strlen(s); i++)        cout "*";    cout "/";    cout << s << endl;    cout << " ";    while (1) {        cout << "please input death_time: ";        if (!(cin >> Death_Time)) {            cout << "Wrong, you have inputed a wrong type data!" << endl;            cin.clear();            while (cin.get() != '\n')                continue;            cout << "please input Death_Time again" << endl;            cin >> Death_Time;        }        while (1) {            cout << "Please input Mature_Time: ";            if (!(cin >> Mature_Time)) {                cout << "Wrong, you have inputed a wrong type data!" << endl;                cin.clear();                while (cin.get() != '\n')                    continue;                cout << "please input Mature_Time again" << endl;                cin >> Mature_Time;            }        }        while (1) {            cout << "Please input Month_Num to Compute: ";            if (!(cin >> Month_Num)) {                cout << "Wrong, you have inputed a wrong type data!" << endl;                cin.clear();                while (cin.get() != '\n')                    continue;                cout << "please input Month_Num again" << endl;                cin >> Month_Num;            }        }        vector
       
         Test;        rabbit* a = new rabbit(Death_Time, Mature_Time);        Test.push_back(*a);        int rabbit_sum_num = Compute_Num(Month_Num, Test, Death_Time, Mature_Time);        cout << rabbit_sum_num << endl;    }}
       
      
     
    
   

代码说明

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