用&&来设置取值范围
用字符指针表示字符串
/* &&运算符
字符指针表示字符串
*/
#include<iostream>
using namespace std;
const char* qualify[4] = {
"level-3",
"level-2",
"level-1",
"level-super",
};
int main() {
int age;
cout << "input your age in years: ";
cin >> age;
int index;
if (age > 17 && age < 35)
index = 0;
else if (age >= 35 && age < 50)
index = 1;
else if (age >= 50 && age < 65)
index = 2;
else
index = 3;
cout << "your qualify for the " << qualify[index];
return 0;
}
输出
input your age in years: 45
your qualify for the level-2