我试图查看一些基础知识，我偶然发现了这个问题，我需要根据这个数字是奇数还是偶数打印一个条件并打印一个声明。
这是第一个代码：https://ideone.com/vS8wgs
#include <iostream>
using namespace std;
int main() {
int x = 18;
if(x%2 == 0 && 2<=x<=5){
cout << "x lies between 2 and 5" << endl;
}
if(x%2 == 0 && 6<=x<=20){
cout << "x lies between 6 and 20" << endl;
}
return 0;
}
对第一个问题的答案结果是：
x lies between 2 and 5
x lies between 6 and 20
这是第二个变体：https://ideone.com/rQ7KoW
#include <iostream>
using namespace std;
int main() {
int x =18;
if(x%2 == 0 && x >= 2 && x <=5){
cout << "x lies between 2 and 5" << endl;
}
if(x%2 == 0 && x >= 6 && x<=20){
cout << "x lies between 6 and 20" << endl;
}
return 0;
}
对第二个问题的答案结果是：
x lies between 6 and 20
到目前为止，我假设两者都会返回相同的结果，我想知道两者没有相同功能的原因。