摘要: #include #include int main(){ int x,y; char ch; while(scanf("%d",&x)==1) { ch = getchar(); while(ch==' '){ ch = getchar();} scanf("%d",&y); switch(ch) { case '+':printf("%d\n",x+y);break; case '-':printf("%d\n",x-y);break; case 阅读全文
posted @ 2014-03-12 10:28 码农@163 阅读(278) 评论(0) 推荐(0) 编辑