ID Problem Show tags Hide tags AC / Tried Difficulty
14948 P14900   [ICPC 2018 Yokohama R] Four-Coloring 0 / 0 8
14955 P14907   [NHSPC 2024] 蓋蓋樂 0 / 0 8
14957 P14909   [NHSPC 2024] 區間最大獨立集詢問 0 / 0 8
14627 P14914   「QFOI R3」航线交汇 0 / 0 3
14973 P14928   [北大集训 2025] 深红 0 / 0 9
14975 P14930   [北大集训 2025] 奇迹 0 / 0 8
14977 P14932   [北大集训 2025] 复读机 0 / 0 9
14605 P14936   「FAOI-R10」别样的 mex 大战 0 / 0 5
14570 P14942   构造题什么的最讨厌了 0 / 0 7
14580 P14944   已经没有什么好构造的了 0 / 0 8
14591 P14951   服了吗 0 / 0 8
14571 P14952   过河卒 0 / 0 9
14549 P14958   「KWOI R1」Permutation Problem 0 / 0 3
14555 P14959    「KWOI R1」Ring Problem 0 / 0 5
14632 P14972   『GTOI - 2C』Fliping 0 / 0 6
14995 P14975   [USACO26JAN1] COW Splits B 0 / 0 6
14565 P14992   取模 0 / 0 9
15022 P14997   [Nordic OI 2020] Christmas Gifts 0 / 0 8
15023 P14998   [Nordic OI 2019] Distance Code 0 / 0 6
15024 P14999   [Nordic OI 2019] Thieves and Prisons 0 / 0 (None)
15025 P15000   [Nordic OI 2019] Graph Ordering 0 / 0 9
15047 P15003   [UOI 2019 II Stage] 有趣的问题 0 / 0 5
15054 P15010   [UOI 2019 II Stage] 足球 0 / 0 7
14597 P15014   构造奶龙 0 / 0 8
15067 P15021   [UOI 2020 II Stage] 方程 0 / 0 1
14610 P15036   「chaynOI R2 T1」构造字符串 0 / 0 5
14988 P15039    「chaynOI R2 T4」无限的信息 0 / 0 8
15088 P15042   [UOI 2022 II Stage] 双色图形 0 / 0 6
15094 P15047   [UOI 2022 II Stage] 铁路 0 / 0 8
15099 P15051   [UOI 2023 II Stage] Nova Poshta 0 / 0 3
15102 P15054   [UOI 2023 II Stage] Square or rectangle 0 / 0 7
15107 P15057   [UOI 2023 II Stage] Roads of Potokolandiya 0 / 0 5
15103 P15061   琥峪枫 0 / 0 8
15111 P15063   [UOI 2024 II Stage] Creating an Array 0 / 0 3
15113 P15065   [UOI 2024 II Stage] Mole 0 / 0 5
15117 P15069   [UOI 2024 II Stage] Disco 0 / 0 5
15033 P15072   [ICPC 2024 Chengdu R] Arrow a Row 0 / 0 5
15035 P15074   [ICPC 2024 Chengdu R] Chinese Chess 0 / 0 8
15038 P15077   [ICPC 2024 Chengdu R] Double 11 0 / 0 9
15044 P15083   [ICPC 2024 Chengdu R] Recover Statistics 0 / 0 1
15045 P15084   [ICPC 2024 Chengdu R] Two Convex Holes 0 / 0 9
15128 P15087   [UOI 2025 II Stage] Area of the Cake 0 / 0 5
15130 P15089   [UOI 2025 II Stage] OldPost --- NewPost 0 / 0 7
15133 P15092   [UOI 2025 II Stage] Diagonal Numbers 0 / 0 6
15134 P15093   [UOI 2025 II Stage] Odd Rows 0 / 0 7
15140 P15096   [ICPC 2025 LAC] Brazilian FootXOR 0 / 0 7
15148 P15104   [ICPC 2025 LAC] Just Look Up 0 / 0 8
14590 P15108   白井黑子 0 / 0 9
14539 P15109   Adverse Present 0 / 0 7
14541 P15110   Silent End 0 / 0 8
14540 P15111   群星 0 / 0 8
15151 P15114   [集训队论文 2026] 无处存储 0 / 0 9
15153 P15115   [ICPC 2024 LAC] Almost Aligned 0 / 0 8
15154 P15116   [ICPC 2024 LAC] Beating the Record 0 / 0 8
15157 P15119   [ICPC 2024 LAC] Expanding STACKS! 0 / 0 5
15159 P15121   [ICPC 2024 LAC] Greek Casino 0 / 0 7
15161 P15123   [ICPC 2024 LAC] Insects, Mathematics, Accuracy, and Efficiency 0 / 0 8
15162 P15124   [ICPC 2024 LAC] Joys of Trading 0 / 0 7
15166 P15128   [ROIR 2026] 跛脚国王 0 / 0 7
15193 P15137   [SWERC 2025] Chamber of Secrets 2 0 / 0 5
15195 P15139   [SWERC 2025] Expansion Plan 2 0 / 0 3
15197 P15141   [SWERC 2025] Git Gud 0 / 0 7
15198 P15142   [SWERC 2025] Hyper Smawk Bros 0 / 0 9
15199 P15143   [SWERC 2025] Isaac's Queries 0 / 0 8
15200 P15144   [SWERC 2025] Jewels Building 0 / 0 5
15201 P15145   [SWERC 2025] Keygen 3 0 / 0 8
15212 P15148   [SWERC 2024] Divine Gifting 0 / 0 6
15215 P15151   [SWERC 2024] Building the Fort 0 / 0 7
15222 P15158   [SWERC 2024] The Charioteer 0 / 0 8
15225 P15161   [SWERC 2022] Uniform Chemistry 0 / 0 7
15226 P15162   [SWERC 2022] Another Wine Tasting Event 0 / 0 7
15228 P15164   [SWERC 2022] Spinach Pizza 0 / 0 8
15232 P15168   [SWERC 2022] Library game 0 / 0 8
15234 P15170   [SWERC 2022] Train Splitting 0 / 0 6
15241 P15177   [SWERC 2021] Bottle Arrangements 0 / 0 3
15243 P15179   [SWERC 2021] Pandemic Restrictions 0 / 0 8
15252 P15188   [SWERC 2019] Pixels 0 / 0 8
15269 P15205   [SWERC 2018] Mona Lisa 0 / 0 8
15187 P15207   [NWERC 2025] Arcade Crane 0 / 0 (None)
15188 P15208   [NWERC 2025] Bisecting Bargain 0 / 0 (None)
15190 P15210   [NWERC 2025] Dreamcatcher 0 / 0 (None)
15203 P15211   [NWERC 2025] Erratic Lights 0 / 0 (None)
15206 P15213   [NWERC 2025] Hasty Haul【未配置通信题】 0 / 0 (None)
15208 P15215   [NWERC 2025] Juggling Keys 0 / 0 6
15209 P15216   [NWERC 2025] KIT Finding 0 / 0 5
15284 P15228   [SWERC 2017] Blowing Candles 0 / 0 7
15295 P15242   [NHSPC 2025] 神聖的連線儀式 0 / 0 9
15306 P15247   [WC2026] 画树 0 / 0 9
15302 P15248   [IOI 2014] Gondola 缆车 0 / 0 (None)
15303 P15249   [IOI 2014] Rail 铁路 0 / 0 8
15174 P15254   [USACO26JAN2] It's Mooin' Time IV B 0 / 0 3
15177 P15257   [USACO26JAN2] Cow-libi 2 S 0 / 0 6
14652 P15267   「UTOI 1B」Chaotic Time Trio 0 / 0 6
14633 P15269   「UTOI 1D」Flowerfell 0 / 0 8
15285 P15270   [Google Hashcode 2022 Qualification] Mentorship and Teamwork 0 / 0 (None)
15286 P15271   [Google Hashcode 2022 Finals] Santa Tracker 0 / 0 (None)
15287 P15272   [Google Hashcode 2021 Qualification] Traffic signaling 0 / 0 (None)
15288 P15273   [Google Hashcode 2021 Finals] Software Engineering at Scale 0 / 0 (None)
15316 P15275   [IOI 2016] Unscrambling a Messy Bug 解读 Bug 0 / 0 7
15327 P15281   [MCO 2024] Max Partition 0 / 0 5

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