Codeforces Round #456 (Div. 2) B. New Year’s Eve 贪心、构造、位运算、异或和

B. New Year's Eve 贪心、构造、位运算、异或和 My Solution 题意:给出1~n这n个数,最多选k个数,…

  • ACM-ICPC题解贪心
  • 2018/1/13
  • 155
  • Codeforces Round #365 (Div. 2) D. Mishka and Interesting sum 离线操作,树状数组,last[value],异或和

    D. Mishka and Interesting sum 离线操作,树状数组,last[value],异或和 Source Codeforces Roun…

  • ACM-ICPC题解数据结构
  • 2016/9/16
  • 158