【c++编程从零学】第四讲练习题题解

#include <iostream>
using namespace std;
int main(){
    int a;
    cin>>a;
    int b=a/10;
    switch(b){
        case 10: 
             cout<<"优等生";   
             break;
        case 9: 
             cout<<"优等生";   
             break;
        case 8: 
             cout<<"中等生";   
             break;
        case 7: 
             cout<<"中等生";   
             break;
        case 6: 
             cout<<"中等生";   
             break;
        case 5: 
             cout<<"差等生";   
             break;
        case 4: 
             cout<<"差等生";   
             break;
        case 3: 
             cout<<"差等生";   
             break;
        case 2: 
             cout<<"差等生";   
             break;
        case 1: 
             cout<<"差等生";   
             break;
        case 0: 
             cout<<"0分选手";   
             break;
    }
    return 0;
}
#include <iostream>
using namespace std;
int main(){
    int a;
    cin>>a;
    int b=a/10;
    switch(b){
        case 10: 
             cout<<"就是他";   
             break;
        case 9: 
             cout<<"极度可能";   
             break;
        case 8: 
             cout<<"十分可能";   
             break;
        case 7: 
             cout<<"十分可能";   
             break;
        case 6: 
             cout<<"十分可能";   
             break;
        case 5: 
             cout<<"不大可能";   
             break;
        case 4: 
             cout<<"不大可能";   
             break;
        case 3: 
             cout<<"不大可能";   
             break;
        case 2: 
             cout<<"不大可能";   
             break;
        case 1: 
             cout<<"不大可能";   
             break;
        case 0: 
             cout<<"不是他";   
             break;
    }
    return 0;
}
#include <iostream>
using namespace std;
int main(){
    int a;
    cin>>a;
    switch(a){
        case 7: 
             cout<<"Sunday";   
             break;
        case 6: 
             cout<<"Saturday";   
             break;
        case 5: 
             cout<<"Friday";   
             break;
        case 4: 
             cout<<"Thursday";   
             break;
        case 3: 
             cout<<"Wednesday";   
             break;
        case 2: 
             cout<<"Tuesday";   
             break;
        case 1: 
             cout<<"Monday";   
             break;
    }
    return 0;
}
*****
**以上是第四讲练习题的题解,咱们下周再见!**
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