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{"workbook":{"problemsBrief":"{\"CodeForces-1085G\":[\"Beautiful Matrix\",536,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1085\\\"\\u003eTechnocup 2019 - Elimination Round 4\\u003c/a\\u003e\"],\"CodeForces-1392I\":[\"Kevin and Grid\",213,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1392\\\"\\u003eCodeforces Global Round 10\\u003c/a\\u003e\"],\"Gym-102864H\":[\"Prefix Sum\",2,\"\\u003ca href\\u003d\\u0027https://codeforces.com/gym/102864\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eThe 15-th BIT Campus Programming Contest - Online Round\\u003c/a\\u003e\"],\"QOJ-4889\":[\"愚蠢的在线法官\",19,\"\\u003ca href\\u003d\\\"https://qoj.ac/contest/753\\\"\\u003e2021 集训队互测 Round 1\\u003c/a\\u003e\"],\"LibreOJ-6696\":[\"复读机 加强版\",60,null],\"QOJ-4916\":[\"抽奖机\",17,\"\\u003ca href\\u003d\\\"https://qoj.ac/contest/762\\\"\\u003e2021 集训队互测 Round 10\\u003c/a\\u003e\"]}","joined":false,"groups":{}},"managingGroups":{},"author":"SoyTony","updateTime":1708133114000,"title":"1.3 计数与数学","dislikeCnt":0,"content":"[problem:CodeForces-1392I]\n[problem:Gym-102864H]\n[problem:CodeForces-1085G]\n[problem:LibreOJ-6696]\n[problem:QOJ-4889]\n[problem:QOJ-4916]","threadId":180346,"likeCnt":0,"createTime":1705410131000,"isWorkbook":true,"viewCnt":88,"openness":2,"fav":false,"id":4461,"trustable":false}