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ID 题目 显示标签 隐藏标签 AC / 尝试 难度
11647 ATabc124d   [ABC124D] Handstand 5 / 15 8
12440 ATabc246d   [ABC246D] 2-variable Function 11 / 50 7
9977 ATabc265d   [ABC265D] Iroha and Haiku (New ABC Edition) 2 / 10 10
8306 ATabc329c   [ABC329C] Count xxx 2 / 3 10
1607 ATabc352b   [ABC352B] Typing 9 / 12 8
3493 ATabc361g   [ABC361G] Go Territory 2 / 8 10
7911 ATabc377d   [ABC377D] Many Segments 2 8 / 34 7
8589 ATagc037f   [AGC037F] Counting of Subarrays 1 / 1 10
3331 P3676   *【计算几何】最远点对Furthest Pair of Points 1 / 2 10
647 lg1094   A37*【贪心】[NOIP 2007 普及组] 纪念品分组 97 / 374 7
2210 lg1381   A19 双指针 单词背诵 17 / 58 6
1072 lg1638   A18 双指针(尺取法) 最小全覆盖区间[逛画展] 30 / 104 6
6318 lg1712   C34 线段树+双指针 [NOI2016] 区间 15 / 99 8
4101 lg1973   [NOI2011] NOI 嘉年华 1 / 2 10
6363 lg2463   [SDOI2008] Sandy 的卡片 1 / 1 10
2946 lg2564   [SCOI2009] 生日礼物 2 / 5 10
6247 lg3143   *【双指针】最大化两个K紧凑集合[USACO16OPEN] Diamond Collector S 13 / 21 5
2397 lg5286   [HNOI2019] 鱼 1 / 2 10
10810 lg5306   [COCI 2018/2019 #5] Transport 2 / 6 10
4265 lg5844   [IOI 2011] ricehub 1 / 1 10
10410 lg6169   [IOI 2016] molecules 1 / 1 10
7077 lg7153   [USACO20DEC] Square Pasture G 1 / 1 10
7065 lg7298   [USACO21JAN] Dance Mooves G 1 / 2 10
7662 lg7514   [省选联考 2021 A/B 卷] 卡牌游戏 7 / 11 8
8389 lg7561   [JOISC 2021] 道路の建設案 (Road Construction) (Day2) 1 / 1 10
10858 lg7968   [COCI 2021/2022 #2] Osumnjičeni 1 / 1 10
7219 lg9521   [JOIST 2022] 京都观光 / Sightseeing in Kyoto 1 / 2 10
6889 lg9950   [USACO20FEB] Mad Scientist B 14 / 26 5
7463 lg10087   [ROIR 2022] 跳跃机器人 (Day 1) 2 / 7 10
9056 lg10206    [JOI 2024 Final] 建设工程 2 / Construction Project 2 9 / 39 7
7609 lg10282   [USACO24OPEN] Smaller Averages G 7 / 14 8
7388 lg10785   [NOI2024] 集合 1 / 1 10
6917 lg11669   *【模拟】序列翻转匹配[USACO25JAN] Cow Checkups B 9 / 23 7
6919 lg11671   [USACO25JAN] Farmer John's Favorite Operation S 23 / 200 9
9101 lg11789    [JOI 2019 Final] 画展 / Exhibition 2 / 14 9
1566 lg12029   [USACO25OPEN] Election Queries G 6 / 37 8
1921 lg14636   [NOIP2025] 清仓甩卖 1 / 14 10
3888 lg14982   [USACO26JAN1] Supervision G 3 / 6 10
2027 lg15259   [USACO26JAN2] Farmer John Loves Rotations S 6 / 24 8
3751 loj2453   「POI2010」积木 Blocks 1 / 2 10
3761 loj2459   「POI2010」驾驶员 Pilots 1 / 1 10
7127 loj4023   「CCO 2022」Alternating Heights 1 / 1 10
7668 loj4836   「POI 2020/2021 R3」Les Bitérables 3 / 4 10
8987 loj4840   「POI 2020/2021 R3」Suma liczb pierwszych 1 / 1 10
5537 loj4929   「POI2014 R3」蚁巢 Ant colony 1 / 1 10
6050 loj4973   「POI2015 R3」狼坑 Trous de loup 1 / 1 10
10966 loj5220   「UOI 2023 Stage 4 Day1」数组与区间加法 1 / 1 10
11007 loj5262   「NOISG 2024 Final」Problem Setter 1 / 1 10
10182 loj5320   「EGOI2025」礼品盒 1 / 1 10
11043 loj5363   「OOI 2024 Day 1」更多不同种类的好礼物 1 / 1 10
11493 loj5681   「PA 2026」Dodawanie 1 / 1 10
12555 loj5709   「NordicOI 2026」Alarms 1 / 1 10
12559 loj5717   「BalticOI 2026」排序 1 / 1 10
12594 loj5753   「ROI 2026 Day1」分布式系统 1 / 2 10
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