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{"workbook":{"problemsBrief":"{\"CodeForces-575A\":[\"Fibonotci\",866,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/575\\\"\\u003eBubble Cup 8 - Finals [Online Mirror]\\u003c/a\\u003e\"],\"Gym-100956G\":[\"Pencil of Wishing\",31,\"\\u003ca href\\u003d\\u0027https://codeforces.com/gym/100956\\u0027 target\\u003d\\u0027_blank\\u0027\\u003e2015-2016 Petrozavodsk Winter Training Camp, SPb SU + SPb AU Contest\\u003c/a\\u003e\"],\"AtCoder-arc126_e\":[\"Infinite Operations\",97,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/arc126\\\"\\u003eAtCoder Regular Contest 126\\u003c/a\\u003e\"]}","joined":false,"groups":{}},"managingGroups":{},"author":"EarthMessenger","updateTime":1691562990000,"title":"2023-08-09 考试","dislikeCnt":0,"content":"A:构造一个长度为 $N$ 的 $\\set{1, 2, \\cdots, N}$ 的排列,满足 $M$ 个条件。第 $i$ 个条件用三个正整数 $l_i, r_i, w_i$ 表示,含义为:区间 $[l_i, r_i]$ 的逆序对数在模 $2$ 意义下为 $w_i$。from: https://ac.nowcoder.com/acm/contest/57359/E\n\n[problem:CodeForces-575A] B\n[problem:Gym-100956G] C\n[problem:AtCoder-arc126_e] D","threadId":153288,"likeCnt":0,"createTime":1691562990000,"isWorkbook":true,"viewCnt":217,"openness":2,"fav":false,"id":3955,"trustable":false}