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{"workbook":{"problemsBrief":"{\"CodeForces-778C\":[\"Peterson Polyglot\",900,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/778\\\"\\u003eCodeforces Round 402 (Div. 1)\\u003c/a\\u003e\"],\"Gym-100524H\":[\"Heavy-Light Decomposition\",23,\"\\u003ca href\\u003d\\u0027https://codeforces.com/gym/100524\\u0027 target\\u003d\\u0027_blank\\u0027\\u003e2014-2015 Summer Petrozavodsk Camp, Andrew Stankevich Contest 46 (ASC 46)\\u003c/a\\u003e\"],\"CodeForces-702F\":[\"T-Shirts\",1301,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/702\\\"\\u003eEducational Codeforces Round 15\\u003c/a\\u003e\"],\"洛谷-P2934\":[\"Safe Travel G\",1154,\"USACO09JAN\"],\"CodeForces-600E\":[\"Lomsat gelral\",14322,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/600\\\"\\u003eEducational Codeforces Round 2\\u003c/a\\u003e\"]}","joined":false,"groups":{}},"managingGroups":{},"author":"LinWanqing","updateTime":1708603201000,"title":"dsu on tree","dislikeCnt":0,"content":"[problem:CodeForces-600E]\n[problem:CodeForces-778C]\n[problem:洛谷-P2934]\n[problem:Gym-100524H]\n[problem:CodeForces-702F]","threadId":183646,"likeCnt":0,"createTime":1708603201000,"isWorkbook":true,"viewCnt":72,"openness":2,"fav":false,"id":4622,"trustable":false}