| 2100 | Coin | 46.34%(19/41) |
| 2101 | Eat the Trees | 66.67%(4/6) |
| 2102 | City Tour | 0.00%(0/1) |
| 2103 | A simple stone game | 20.00%(1/5) |
| 2104 | Hunter | 75.00%(3/4) |
| 2105 | Prison Break | 66.67%(2/3) |
| 2106 | Hie with the Pie | 33.33%(1/3) |
| 2107 | 栈的实现 | 25.66%(271/1056) |
| 2108 | 队列的实现 | 31.44%(244/776) |
| 2109 | 优先队列的实现 | 30.71%(125/407) |
| 2110 | Jessica's Reading Problem | 50.00%(4/8) |
| 2111 | Subsequence | 30.41%(118/388) |
| 2112 | Bound Found | 27.27%(3/11) |
| 2113 | Sum of Consecutive Prime Numbers | 62.50%(15/24) |
| 2114 | Boring count | 62.50%(5/8) |
| 2115 | String | 30.00%(6/20) |
| 2116 | A Short problem | 29.03%(18/62) |
| 2117 | How many ways?? | 44.44%(4/9) |
| 2118 | 矩阵级数 | 23.44%(15/64) |
| 2119 | Bicycle Race | 0.00%(0/0) |
| 2120 | A/B | 75.00%(39/52) |
| 2121 | 唯一分解定理 | 18.55%(256/1380) |
| 2122 | Coat of Anticubism | 77.78%(14/18) |
| 2123 | Can you find it | 18.18%(8/44) |
| 2124 | 第八集，体能训练 | 13.54%(124/916) |
| 2125 | 第六集，排名预测 | 13.50%(59/437) |
| 2126 | 第一集，临时特工？ | 37.84%(84/222) |
| 2127 | QAQ和车库 | 20.86%(141/676) |
| 2128 | 第九集，离间计 | 22.13%(139/628) |
| 2129 | QAQ和木棍 | 25.49%(13/51) |
| 2130 | 第五集，艰巨的任务 | 31.82%(98/308) |
| 2131 | 第四集，聚集城市 | 21.05%(16/76) |
| 2132 | 第三集，解密 | 43.85%(253/577) |
| 2133 | 第七集，奇思妙想 | 20.16%(130/645) |
| 2134 | QAQ玩众数 | 42.24%(49/116) |
| 2135 | 第十集，走私！？ | 4.00%(2/50) |
| 2136 | Far Relative’s Birthday Cake | 83.87%(26/31) |
| 2137 | Far Relative’s Problem | 18.87%(10/53) |
| 2138 | Famil Door and Brackets | 50.00%(1/2) |
| 2139 | Babaei and Birthday Cake | 26.67%(4/15) |
| 2140 | Famil Door and Roads | 0.00%(0/1) |
| 2141 | 第二集，该手机已停用 | 60.76%(96/158) |
| 2142 | 题目 | 60.66%(128/211) |
| 2143 | 这是水题 | 10.26%(4/39) |
| 2144 | 并查集 | 17.90%(181/1011) |
| 2145 | 抢救盘点 | 19.51%(286/1466) |
| 2146 | Watto and Mechanism | 16.67%(4/24) |
| 2147 | R2D2 and Droid Army | 40.00%(2/5) |
| 2148 | Darth Vader and Tree | 50.00%(1/2) |
| 2149 | KMP算法 | 20.91%(212/1014) |
| 2150 | Seek the Name, Seek the Fame | 47.76%(64/134) |
| 2151 | Pyramid of Glasses | 20.37%(11/54) |
| 2152 | Vasya and String | 46.88%(15/32) |
| 2153 | Theseus and labyrinth | 0.00%(0/1) |
| 2154 | I Wanna Be the Guy | 50.00%(21/42) |
| 2155 | New Year Present | 66.67%(6/9) |
| 2156 | Amr and Pins | 36.17%(17/47) |
| 2157 | Triangle | 52.94%(9/17) |
| 2158 | Friends and Presents | 14.71%(5/34) |
| 2159 | Computer | 14.00%(7/50) |
| 2160 | Xor Sum | 24.87%(49/197) |
| 2161 | 概率DP+矩阵快速幂 | 19.05%(4/21) |
| 2162 | Defective Robot | 10.34%(6/58) |
| 2163 | Orz数字 | 12.67%(28/221) |
| 2164 | Orz环 | 37.50%(3/8) |
| 2165 | 智商测验 | 8.33%(3/36) |
| 2166 | 矩阵乘法 | 29.78%(67/225) |
| 2167 | 数字分解 | 33.70%(31/92) |
| 2168 | Orz图 | 8.70%(8/92) |
| 2169 | tetrahedron | 50.00%(2/4) |
| 2170 | Abandoned country | 60.00%(3/5) |
| 2171 | Chess | 42.86%(3/7) |
| 2172 | GCD | 50.00%(5/10) |
| 2173 | Game | 50.00%(1/2) |
| 2174 | Necklace | 28.57%(2/7) |
| 2175 | PowMod | 50.00%(2/4) |
| 2176 | Rigid Frameworks | 0.00%(0/1) |
| 2177 | Shell Necklace | 50.00%(1/2) |
| 2178 | Solid Dominoes Tilings | 0.00%(0/2) |
| 2179 | Subway | 0.00%(0/2) |
| 2180 | Acperience | 25.00%(1/4) |
| 2181 | Born Slippy | 0.00%(0/2) |
| 2182 | Call It What You Want | 0.00%(0/3) |
| 2183 | Differencia | 33.33%(1/3) |
| 2184 | Eureka | 20.83%(5/24) |
| 2185 | Fantasia | 0.00%(0/3) |
| 2186 | Glorious Brilliance | 33.33%(1/3) |
| 2187 | Helter Skelter | 50.00%(1/2) |
| 2188 | It's All In The Mind | 50.00%(1/2) |
| 2189 | Join The Future | 0.00%(0/1) |
| 2190 | Keep On Movin | 0.00%(0/3) |
| 2191 | La Vie en rose | 0.00%(0/11) |
| 2192 | Memento Mori | 0.00%(0/1) |
| 2193 | Matrix multiplication | 50.00%(4/8) |
| 2194 | Bellovin | 75.00%(3/4) |
| 2195 | Least common multiple | 66.67%(2/3) |
| 2196 | Another Meaning | 40.00%(2/5) |
| 2197 | Explorer Bo | 75.00%(3/4) |
| 2198 | Substring | 33.33%(1/3) |
| 2199 | Gambler Bo | 25.00%(1/4) |