#include <stdio.h>
int main()
{
??? int score = 87; //考試分?jǐn)?shù)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\n");
??????????? break;
??????? case 87:
??????? //if(score>=80||score<=90)
??????????? printf("等級B\n");
??????????? break;??????????????? //這里是不是缺點(diǎn)什么？???????????
??????? case 7:
??????? case 6:
??????????? printf("等級C\n");
????????????? break;????????????? //這里是不是缺點(diǎn)什么？?
??????? default:
??????????? printf("等級D\n");
??????????? break;???
??? }
??? return 0;
}