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
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