题目:[https://codeforces.com/problemset/problem/2140/E2]
ac代码:[https://codeforces.com/contest/2140/submission/340632254]
思路: 根据easy version的状压dp做法,利用二分答案的思想,再套差分一个个求
题目:[https://codeforces.com/problemset/problem/2140/E2]
ac代码:[https://codeforces.com/contest/2140/submission/340632254]
思路: 根据easy version的状压dp做法,利用二分答案的思想,再套差分一个个求