Codeforces 55D Beautiful numbers
题目链接:https://codeforces.com/problemset/problem/55/D 题意: […]
题目链接:https://codeforces.com/problemset/problem/55/D 题意: […]
题意:一个数被称为是平衡的数当且仅当对于所有出现过的数位,偶数出现奇数次,奇数出现偶数次。给定A,B,请统计出 […]
题目链接:http://www.lydsy.com/JudgeOnline/problem.php?id=45 […]
题目链接:http://www.lydsy.com/JudgeOnline/problem.php?id=17 […]
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5898 题意: […]
题目链接:http://hihocoder.com/problemset/problem/1560 题意:求所 […]
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=6148 题意: […]
题目链接:https://www.51nod.com/onlineJudge/questionCode.htm […]