| Educational Codeforces Round 85 (Rated for Div. 2) |
查看题解 |
| Codeforces Round #632 (Div. 2) |
查看题解 |
| Codeforces Round #631 (Div. 2) |
查看题解 |
| Codeforces Round #630 (Div. 2) |
查看题解 |
| Codeforces Round #629 (Div. 3) |
查看题解 |
| Educational Codeforces Round 84 (Rated for Div. 2) |
查看题解 |
| Codeforces Global Round 7 | 查看题解 |
| Codeforces Round #628 (Div. 2) |
查看题解 |
| Codeforces Round #627 (Div. 3) |
查看题解 |
| Educational Codeforces Round 83 (Rated for Div. 2) |
查看题解 |
| CodeCraft-20 (Div. 2) |
查看题解 |
| Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!) | 查看题解 |
| 1285A Mezo Playing Zoma |
查看题解 | 字符串 |
| 1285B Just Eat It! | 查看题解 | 最大连续子序列 |
| 1285C Fadi and LCM |
查看题解 | 数论 |
| 1285D Dr. Evil Underscores |
查看题解 | dfs+位运算 |
| 1287A Angry Students |
查看题解 | 字符串 |
| 1288A Deadline |
查看题解 | 暴力 |
| 1288B Yet Another Meme Problem |
查看题解 | 打表/数论 |
| 1293A ConneR and the A.R.C. Markland-N |
查看题解 | 暴力 |
| 1293B JOE is on TV! |
查看题解 | 思维 |
| 1293C NEKO's Maze Game |
查看题解 | 思维 |
| 1294A Collecting Coins |
查看题解 | 思维 |
| 1294B Collecting Packages |
查看题解 | 思维 |
| 1294C Product of Three Numbers |
查看题解 | 暴力+剪枝 |
| 1294D MEX maximizing |
查看题解 | 取模+哈希 |
