| 1251 | Partial differential equations | 0/2 | |
| 1252 | Maya Calendar | 0/1 | |
| 1253 | Transportation | 0/1 | |
| 1254 | John's trip | 0/7 | |
| 1255 | Pipe | 0/1 | |
| 1256 | Department | 0/0 | |
| 1257 | Joseph | 1/1 | |
| 1258 | Sticks | 0/13 | |
| 1259 | Tin Cutter | 0/2 | |
| 1260 | FORCAL | 0/0 | |
| 1271 | 格子游戏 | 6/33 | |
| 1272 | PCR探索 | 2/21 | |
| 1273 | 欧拉幻方 | 2/8 | |
| 1274 | 序列游戏 | 1/13 | |
| 1275 | 调换游戏 | 7/8 | |
| 1276 | 凑数游戏 | 1/1 | |
| 1277 | 海底神殿 | 0/2 | |
| 1278 | 跳远游戏 | 7/17 | |
| 1279 | 麻烦的运算 | 25/93 | |
| 1280 | 二进制中1的个数 | 32/38 | |
| 1281 | 公式计算 | 17/25 | |
| 1282 | 凑数 | 24/31 | |
| 1283 | 汽车加油 | 20/29 | |
| 1284 | Z字母扫描 | 17/37 | |
| 1285 | 上楼梯 | 40/48 | |
| 1286 | N皇后 | 23/37 | |
| 1287 | 全排列 | 28/39 | |
| 1288 | 走出迷宫 | 51/165 | |
| 1289 | 走方格 | 36/78 | |
| 1290 | 走迷宫 | 46/91 | |
| 1291 | N皇后plus | 14/19 | |
| 1292 | 不同路径数 | 17/24 | |
| 1293 | 地牢大师 | 10/31 | |
| 1294 | 排列数字 | 31/43 | |
| 1295 | 移动骑士 | 13/40 | |
| 1296 | 采药 | 34/57 | |
| 1297 | 砝码称重 | 15/23 | |
| 1298 | 疯狂的采药 | 15/29 | |
| 1299 | 质数拆分 | 15/32 | |
| 1300 | 装箱问题 | 12/20 | |
| 1301 | Fence Repair | 10/11 | |
| 1302 | 合并果子 | 13/13 | |
| 1303 | 删数问题 | 5/14 | |
| 1304 | 连通块中点的个数 | 7/61 | |
| 1305 | 银河英雄传说 | 7/12 | |
| 1306 | 关押罪犯 | 5/5 | |
| 1307 | 亲戚 | 7/7 | |
| 1308 | 食物链 | 9/9 | |
| 1309 | 信息传递 | 4/5 | |
| 1310 | 并查集 | 9/35 | |