https://www.hackerrank.com/contests/w1/challenges/maximizing-xor/找了半天规律,答案竟然是暴力,伤感。我找到的方法是利用规律2^x XOR 2^x - 1会最大,感觉稍微效率高点。int maxXor(int l, int r) { i
输出最大的异或和 题解: 1importjava.io.*;2importjava.util.*;3importjava.text.*;4importjava.math.*;5importjava.util.regex.*;67publicclassSolution {8/*9* Complete the function below.10*/1112staticintmaxXor(intl,intr) {13intmaxx = 0;14for(inti = l;i <= r;i++){15for(intj = l...
Given two integers, and , find the maximal value of xor , written , where and satisfy the following condition: For example, if and , then Our maximum value is . Function Description Complete the maximizingXor function in the editor below. It must return an integer representing the maximum...
Tony's Log HackerRank "Maximizing XOR" A natural thought is brutal-force. But as you may have already thought of, there must be a smarter one. And yes there is. Think like this: XOR gives you all different bits, if you could imagine the binary representation of L^R, it can be repre...