ID 题目 显示标签 隐藏标签 AC / 尝试 难度
101 101   [Sleeping Cup #3] Not a median problem 6 / 78 5
102 102   [Sleeping Cup #3] Missing circle 8 / 32 1
103 103   [Sleeping Cup #3] Fast permutation transform 4 / 8 8
104 104   [Sleeping Cup #4] Football Loser 10 / 43 2
105 105   [Sleeping Cup #4] Tangent Dancer 7 / 24 2
106 106   [Sleeping Cup #4] Lottery Cheater 5 / 18 4
107 107   [Sleeping Cup #4] Factorial Master 5 / 18 7
108 108   [Sleeping Cup #4] Proof Writer 4 / 12 7
109 109   [Extra Contest #1] Polygon Areas 3 / 4 1
110 110   [Extra Contest #2] Sleeping Bear's Honey 3+ 3 / 25 9
111 111   [TFXOI Round 1] 我欲于群山之巅 4 / 8 7
112 112   [TFXOI Round 1] 过往与现实之历史 4 / 5 7
113 113   [TFXOI Round 1] 毁灭日 4 / 10 10
114 114   [TFXOI Round 1] 创世纪 4 / 12 8
115 115   [KSC001A] A problem about GCD 3 / 7 2
116 116   [KSC001B] A problem about languages 3 / 5 4
117 117   [KSC001C] A problem about mice 3 / 8 6
118 118   [KSC001D] A problem about charges 3 / 5 6
119 119   [KSC002A] 检测高仿 kkk 6 / 9 1
120 120   [KSC002B] 字符计数 5 / 8 1
121 121   [KSC002C] 题号生成器 5 / 10 1
122 122   [KSC002D] 新的编程语言 5 / 11 1
123 123   [KSC003A] Happy China's National Day! 5 / 8 1
124 124   [KSC003B] Happy Mid-Autumn Festival! 4 / 13 1
125 125   [KSC003C] 赶集 3 / 4 1
126 126   [KSC003D] 题目名称 6 / 14 1
127 127   [KSC004A] 2A+2B Problem 3 / 6 1
128 128   [KSC004B] Luogu 3 / 13 2
129 129   [KSC004C] Factorial 3 / 7 4
130 130   [KSC004D] Goldbach 3 / 10 2
131 131   [KSC005A] 随机数 10 / 55 1
132 132   [KSC005B] 勾股点 3 / 4 1
133 133   [KSC005C] 子序列 3 / 4 6
134 134   [KSC005D] 连通图 4 / 37 10
135 135   [CTFPC-1st] CCTV Spring Festival Gala 3 / 4 1
136 136   [CTFPC-1st] Fireworks 3 / 6 1
137 137   [CTFPC-1st] Expressway 3 / 3 2
138 138   [CTFPC-1st] Dynamic Programming 3 / 3 1
139 139   [CTFPC-1st] Eating Dumplings 3 / 6 1
140 140   [CTFPC-1st] Genshin Impact 3 / 3 2
141 141   [CTFPC-1st] Problems of Codeforces 3 / 7 2
142 142   [CTFPC-1st] Mobius Function 3 / 8 3
143 143   [CTFPC-2nd] Rice Dumplings 1 4 / 8 1
144 144   [CTFPC-2nd] Playing Chess 3 / 3 1
145 145   [CTFPC-2nd] Poker 3 / 5 3
146 146   [CTFPC-2nd] Rice Dumplings 2 3 / 4 3
147 147   [CTFPC-2nd] CTFPC 3 / 7 3
148 148   [CTFPC-2nd] Lanterns 3 / 11 8
149 149   [CTFPC-3rd] 刷初赛 2 / 7 10
150 150   [CTFPC-3rd] 摆月饼 3 / 5 3
151 151   [CTFPC-3rd] 外婆桥 2 / 5 6
152 152   [CTFPC-3rd] 坐地铁 2 / 6 7
153 153   [CTFPC-3rd] 因子积 3 / 3 4
154 154   [CTFPC-3rd] 打扑克 2 / 2 10
155 155   [Sleeping Cup #5 / CTFPC-4th] Soda 5 / 48 6
156 156   [Sleeping Cup #5 / CTFPC-4th] Square Difference 12 / 52 2
157 157   [Sleeping Cup #5 / CTFPC-4th] Match 10 / 27 2
158 158   [Sleeping Cup #5 / CTFPC-4th] Binary Operator 7 / 18 4
159 159   [Sleeping Cup #5 / CTFPC-4th] Record 5 / 22 6
160 160   [Sleeping Cup #5 / CTFPC-4th] Inversion 5 / 14 6
161 161   [Sleeping Cup #5 / CTFPC-4th] Lost Surface 4 / 118 8
162 162   [NOIP 2020] Sewage Emission 3 / 5 5
163 163   [NOIP 2020] String Breakdown 3 / 3 8
164 164   [NOIP 2020] Ball Sorting Puzzle 3 / 8 9
165 165   [NOIP 2020] K-Dimension Movements 3 / 3 10
166 166   [NOIP 2021] Number Game 3 / 3 4
167 167   [NOIP 2021] Popcount-limited Sequence 3 / 3 7
168 168   [NOIP 2021] Variance Minimization 3 / 4 8
169 169   [NOIP 2021] Count Valid Moves 3 / 33 10
170 170   [NOIP 2022] CCF Garden 3 / 4 6
171 171   [NOIP 2022] 2-pop Game with Stacks 3 / 4 10
172 172   [NOIP 2022] Barrack Connection Guarding 3 / 3 8
173 173   [NOIP 2022] One-Versus-One Programming Contest 2 / 4 9
174 174   [NOIP 2023] "Abandon" Replacement Plan 4 / 5 3
175 175   [NOIP 2023] True, False, Unknown, and a Certainty Seeker 2 / 3 6
176 176   [NOIP 2023] "Particular Order" Auto Complete Challenge 2 / 3 9
177 177   [NOIP 2023] Running Motivation Analysis 2 / 6 8
178 178   [NOIP 2024] Bit Alignment 4 / 5 7
179 179   [NOIP 2024] Assignment Counting 3 / 5 6
180 180   [NOIP 2024] Edge-based Trees 2 / 4 9
181 181   [NOIP 2024] Deepest LCA 4 / 16 8
182 182   [Sleeping Cup #6] CSP-J1/S1 2025 Mock Test 5 / 38 10
183 183   [Extra Contest #3] Exclamation Covering 6 / 109 9
184 184   [Extra Contest #4] Factorial Grandmaster 2 / 34 9
185 185   [User Entry] 家庭作业 4 / 10 1
186 186   [User Entry] 立方根 3 / 5 4
187 187   [User Entry] 操作 3 / 4 6
188 188   [User Entry] 计数 3 / 3 8
189 189   [User Entry] 完美的平方数 1 / 2 8
190 190   [User Entry] Program of atom(x) 2027 1 / 2 8
191 191   [User Entry] 移民计划 1 / 2 5
192 192   [User Entry] 01-strings and 01-subsequences 4 / 13 2
193 193   [User Entry] Magic Segment Tree 7 / 35 7
194 194   [User Entry] A trip to Macao 1 / 1 7
195 195   [User Entry] 小 L 买彩票 2 / 3 7
196 196   [Sleeping Cup #7] League Preparation 34 / 101 1
197 197   [Sleeping Cup #7] Rice Cake Consumption 23 / 76 2
198 198   [Sleeping Cup #7] Garbage Collection 4 / 98 8
199 199   [Sleeping Cup #7] Back Translation 4 / 56 7
200 200   [BJOI 2020 Appendix] Simple Interval LCS Problem 3 / 6 8