题目链接: Wall Painting Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2681    Accepted Submission(s): 857 Problem Description Ms.Fang loves painting very much. She paints GFW(Great Funny Wall) ev…

题意:      给你n个数,让你输出n个数,没一次输出的是在这n个数里面取i个数异或的和(所有情况<C n中取i>). 思路:      首先把所有的数都拆成二进制,然后把他们在某一位上的数字加起来,比如        3 = 11  5 = 101 他俩合并就是 112 就这样吧所有的数都合并了,一共最多32位,然后我们考虑,对于每一位,只有选择奇数个1的时候才会是1,否则就是0 ,所以我们可以一次枚举每一位,比如当前要取6个数,对于第三位有8个1,那么当前的这位就是      C[8][…

链接: https://vjudge.net/problem/HDU-4810 题意: Ms.Fang loves painting very much. She paints GFW(Great Funny Wall) every day. Every day before painting, she produces a wonderful color of pigments by mixing water and some bags of pigments. On the K-th day…