摘要: #includeint main(){ int i,x; double price; for(i=1;iint main(){ char op; printf("输入五级制成绩:"); scanf("%c",&op); switch(op) { case'A':printf("grade=90-100"); break; case'B':printf("grade=80-89"); break; case'C':printf("grade=70-79 阅读全文
posted @ 2013-10-20 17:59 xiaobao123 阅读(133) 评论(0) 推荐(0) 编辑