2018中国大学生程序设计竞赛 - 网络选拔赛 解题报告(部分)
题目链接:http://acm.hdu.edu.cn/listproblem.php?vol=55(6438- […]
题目链接:http://acm.hdu.edu.cn/listproblem.php?vol=55(6438- […]
题目链接:http://codeforces.com/contest/867/problem/C 题意:有两种 […]
题目链接:http://codeforces.com/contest/451/problem/A 题意:略。 […]
题目链接:https://www.lydsy.com/JudgeOnline/problem.php?id=1 […]
题目链接:https://www.lydsy.com/JudgeOnline/problem.php?id=4 […]
题目链接:https://www.lydsy.com/JudgeOnline/problem.php?id=3 […]
题目链接:http://poj.org/problem?id=2182 题意:有一个1-n的排列,告诉你每个位 […]
题目链接:http://codeforces.com/problemset/problem/1012/B 题意 […]
树状数组回顾 考虑一个区间[1,x],对于x,我们将其二进制展开成x=2^{i_1}+2^{i_2}+2^{i […]
题目链接:https://www.lydsy.com/JudgeOnline/problem.php?id=4 […]