牛客多校第七场C题 - Bit Compression - 搜索
题目链接https://www.nowcoder.com/acm/contest/145/C题目描述A binary string s of length $N = 2^n$ is given. You will perform the following operation n times :Choose one of the operators AND (&), OR (|) or XO...
题目链接https://www.nowcoder.com/acm/contest/145/C题目描述A binary string s of length $N = 2^n$ is given. You will perform the following operation n times :Choose one of the operators AND (&), OR (|) or XO...
不多比比,直接上模板#include<bits/stdc++.h> //大整数 struct BigInteger { static const int BASE = 100000000;//和WIDTH保持一致 static const int WIDTH = 8;//八位一存储,如修改记得修改输出中的%08d bool sign;//符号, 0表示负...
摘要需要头文件<algorithm>函数名功能描述sort对给定区间所有元素进行排序stable_sort对给定区间所有元素进行稳定排序partial_sort对给定区间所有元素部分排序partial_sort_copy对给定区间复制并排序nth_element找出给定区间的某个位置对应的元素is_sorted判断一个区间是否已经排好序partition使得符合某个条件的元素放在...
原文http://www.lucien.ink/archives/309/起因 很久以前遇到过一个Bug,就是在for循环中使用iterator遍历容器时erase这个指针,导致了一些意想不到的Bug,今天突然想起来,做了点探究。过程std::set 对于set,执行以下代码:#include <bits/stdc++.h> std::...
题目链接http://codeforces.com/contest/1008/problem/C题目You are given an array of integers. Vasya can permute (change order) its integers. He wants to do it so that as many as possible integers will beco...