Oil Deposits The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It…
题意:有 n 个圆环,其中有一些已经扣在一起了,现在要打开尽量少的环,使所有的环可以组成一条链. 析:刚开始看的时候,确实是不会啊....现在有点思路,但是还是差一点,方法也不够好,最后还是参考了网上的题解,大神们的代码就是不一样, 但还是看了好久才看懂.首先是用二进制法进行暴力,因为 n 最大才是15,不会超时的,然后就是在暴力时判断打开这些环时,剩下的是不是还存在环, 如果存在那么不是不行的,然后再判断是不是有的环有两个分支以上,因为一个环如果成链那么最多只有两个分支,所以多于两个的也是不对…
An Easy Problem Description As we known, data stored in the computers is in binary form. The problem we discuss now is about the positive integers and its binary form. Given a positive integer I, you task is to find out an integer J, which is the m…