132 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
17214 P12361   [eJOI 2024] 糖果售卖 / Sweets 0 / 0 7
17385 P12480   [集训队互测 2024] Classical Counting Problem 0 / 0 9
15897 P12489   [集训队互测 2024] 线段树与区间加 0 / 0 9
18509 P12511   [集训队互测 2024] 树上简单求和 0 / 0 8
17449 P12562   [UTS 2024] Two Trees 0 / 0 8
17466 P12577   [UOI 2021] 树上的强盗 0 / 0 8
17473 P12693   BZOJ3589 动态树 0 / 0 7
17610 P12753   [POI 2017 R3] 披萨配送员 Pizza delivery 0 / 0 7
17926 P13070   [GCJ 2020 Finals] Pack the Slopes 0 / 0 7
19040 P13528   [OOI 2023] Gasoline prices / 油价 0 / 0 9
18300 P13597   『GTOI - 1D』回归空白 0 / 0 8
18489 P13644   K-LCA 0 / 0 8
18503 P13908   「TFXOI Round 3」旅者之树 0 / 0 7
19474 P14013   [POCamp 2023] 送钱 / The Generous Traveler 0 / 0 7
19558 P14080   [GESP202509 八级] 最小生成树 0 / 0 7
18381 P14135   【MX-X22-T6】「TPOI-4F」Miserable EXperience 0 / 0 9
18445 P14182   「FAOI-R8」豹邻跑恒 0 / 0 9
19690 P14251   [集训队互测 2025] Everlasting Friends? 0 / 0 9
19799 P14365   [JOISC 2018] 高速公路建设 / Construction of Highway 0 / 0 8
19844 P14411   [JOISC 2015] 道路建设 / Road Development 0 / 0 7
19970 P14545   [IO 2024 #3] 安全航行 0 / 0 8
19813 P14588   [LNCPC 2025] 前线支援 0 / 0 8
19890 P14623   [2018 KAIST RUN Fall] Coloring Roads 0 / 0 7
20022 P14637   [NOIP2025] 树的价值 0 / 0 9
20036 P14658   积云四月 0 / 0 8
20077 P14716   [RMI 2025] 电缆维护 / Engineers 0 / 0 8
20122 P14734   [ICPC 2021 Seoul R] Ant Colonies 0 / 0 8
18337 P14762   [Opoi 2025] CCD 的长恨歌 0 / 0 7
20146 P14772   [ICPC 2024 Seoul R] Protecting Kingdom 0 / 0 8
20200 P14823   [ICPC 2023 Yokohama R] Do It Yourself? 0 / 0 7
19636 P14965    [LBA-OI R2 D] 昔涟 0 / 0 8
20459 P15114   [集训队论文 2026] 无处存储 0 / 0 9

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