答案参考ChatGPT Plus版,整理汇总。希望能帮助你解决问题
以下是完整的IP地址类的设计,包括成员变量和成员函数的定义:
#include <iostream>
class IPAddr {
private:
int n; // IP地址对应的整数
int m; // 子网掩码中1的个数
public:
IPAddr(int a, int b) : n(a), m(b) {}
void showIPInfo() {
int x1 = (n & 0xff000000) >> 24;
std::cout << x1;
std::cout << ".";
int x2 = (n & 0x00ff0000) >> 16;
std::cout << x2;
std::cout << ".";
int x3 = (n & 0x0000ff00) >> 8;
std::cout << x3;
std::cout << ".";
int x4 = (n & 0x000000ff);
std::cout << x4;
}
void showSubnetMask() {
int mask = 0xffffffff << (32 - m);
int x1 = (mask & 0xff000000) >> 24;
std::cout << x1;
std::cout << ".";
int x2 = (mask & 0x00ff0000) >> 16;
std::cout << x2;
std::cout << ".";
int x3 = (mask & 0x0000ff00) >> 8;
std::cout << x3;
std::cout << ".";
int x4 = (mask & 0x000000ff);
std::cout << x4;
}
void showNetworkAddress() {
int network = n & (0xffffffff << (32 - m));
int x1 = (network & 0xff000000) >> 24;
std::cout << x1;
std::cout << ".";
int x2 = (network & 0x00ff0000) >> 16;
std::cout << x2;
std::cout << ".";
int x3 = (network & 0x0000ff00) >> 8;
std::cout << x3;
std::cout << ".";
int x4 = (network & 0x000000ff);
std::cout << x4;
}
};
可以使用上述IPAddr类来实现给定的main函数。根据输入的n和m创建IPAddr对象,并调用相应的成员函数来输出IP地址、子网掩码和网络地址的点分十进制形式。
#include <iostream>
int main() {
int n, m;
std::cin >> n >> m;
IPAddr myip(n, m);
myip.showIPInfo();
std::cout << std::endl;
myip.showSubnetMask();
std::cout << std::endl;
myip.showNetworkAddress();
std::cout << std::endl;
return 0;
}
请注意,以上代码只是给出了IP地址类的定义和main函数的示例,还需要添加必要的头文件和命名空间声明,以使代码能够正确编译和运行。此外,可能还需要进行输入的合法性检查和错误处理,以确保输入的值在有效范围内。