#include <stdio.h>
int main()
{
??? int score = 87; //考試分數為87分
???
??? switch(score)
??? {
??????? /*想想以下代碼為什么用這種方式；
????????? 這種方式的好處？*/
??????? case 10:
??????? case 9:
??????????? printf("等級A","90<=score<=100");
??????????? break;
??????? case 8:
??????????? printf("等級B","80<=score<90");
??????????? break;??????????????? //這里是不是缺點什么？???????????
??????? case 7:
??????? case 6:
??????????? printf("等級C","60<=score<80");
??????????? break;??????????????? //這里是不是缺點什么？?
??????? default:
??????????? printf("等級D","score<60");
??????????? break;???
??? }
??? return 0;
}