| #8201 | Komunikacja międzyplanetarna | |
| #8202 | Nawiasowania | |
| #8203 | Suma liczb pierwszych | |
| #8204 | 太空飞船BJWC 2017 | |
| #8205 | 星际穿越BJWC 2017 | |
| #8206 | 神秘物质BJWC 2017 | |
| #8207 | Anton's ABCDOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8208 | Beer CircuitsOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8209 | Curly PalindromesOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8210 | Division 3 PolyglotOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8211 | Enumerating SubstringsOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8212 | Football in OsijekOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8213 | GraffitiOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8214 | Huge Oil PlatformOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8215 | Isomorphic DelightOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8216 | Jumbled PrimesOsijek Competitive Programming Camp 2023 Fall Day 1Interactive | |
| #8217 | King's DinnerOsijek Competitive Programming Camp 2023 Fall Day 1 | |
| #8218 | 水镜CTS 2024 Day 1 | |
| #8219 | 线段树CTS 2024 Day 1 | |
| #8220 | 众生之门CTS 2024 Day 1 | |
| #8221 | 多方计算CTS 2024 Day 2Interactive | |
| #8222 | 投票游戏CTS 2024 Day 2 | |
| #8223 | 字符串游戏CTS 2024 Day 2 | |
| #8224 | Caught in the MiddlePKUWC 2024 Day 1 | |
| #8225 | 最小值之和PKUWC 2024 Day 1 | |
| #8226 | 堆操作练习题2PKUWC 2024 Day 1 | |
| #8227 | 圆PKUWC 2024 Day 2 | |
| #8228 | 排序PKUWC 2024 Day 2 | |
| #8229 | 栈PKUWC 2024 Day 2 | |
| #8230 | SubmissionsHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8231 | Festival DecoratingHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8232 | Yet Another Shortest Path QueryHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8233 | Operator PrecedenceHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8234 | Period of a StringHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8235 | Top ClusterHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8236 | Snake MoveHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8237 | Sugar Sweet IIHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8238 | Dreamy PutataHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8239 | Mysterious TreeHangzhou Regional 2023InteractivePetrozavodsk Winter 2024 Day 3 | |
| #8240 | Card GameHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8241 | Master of Both VHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8242 | V-DiagramHangzhou Regional 2023Petrozavodsk Winter 2024 Day 3 | |
| #8243 | Contest AdvancementNAQ 2023 | |
| #8244 | Digit TranslationNAQ 2023 | |
| #8245 | Don’t Hunger TogetherNAQ 2023 | |
| #8246 | Garden of ThornsNAQ 2023 | |
| #8247 | ICPC Team GenerationNAQ 2023 | |
| #8248 | Is Y a Vowel?NAQ 2023 | |
| #8249 | Lines Per HourNAQ 2023 | |
| #8250 | Magnesium SupplementationNAQ 2023 | |
| #8251 | Missing NumberNAQ 2023 | |
| #8252 | Tip of Your TongueNAQ 2023 | |
| #8253 | Very Important EdgeNAQ 2023 | |
| #8254 | Water JournalNAQ 2023 | |
| #8255 | Room TemperatureJOI 2023/2024 | |
| #8256 | Construction Project 2JOI 2023/2024 | |
| #8257 | Marathon Race 2JOI 2023/2024 | |
| #8258 | Gift ExchangeJOI 2023/2024 | |
| #8259 | Road Service 2JOI 2023/2024 | |
| #8266 | AstronomerBaltic OI 2023 | |
| #8267 | Staring ContestBaltic OI 2023Interactive | |
| #8268 | TychoBaltic OI 2023 | |
| #8269 | MinequakeBaltic OI 2023 | |
| #8270 | Mineral depositsBaltic OI 2023Interactive | |
| #8271 | SequenceBaltic OI 2023 | |
| #8276 | Code Congestion | |
| #8277 | Tree and Permutation | |
| #8278 | Secret Poems | |
| #8279 | Segment Tree | |
| #8280 | Game of Strings | |
| #8281 | Pangu and Stones | |
| #8282 | Mirrors | |
| #8283 | Game of Votes | |
| #8284 | Cats and Fish | |
| #8285 | Shell Sort | |
| #8286 | Stacks | |
| #8287 | Caught in the Middle | |
| #8288 | 单旋AHOI 2017 Day 1HNOI 2017 Day 1 | |
| #8289 | 影魔AHOI 2017 Day 1HNOI 2017 Day 1 | |
| #8290 | 礼物AHOI 2017 Day 1HNOI 2017 Day 1 | |
| #8291 | 大佬AHOI 2017 Day 2HNOI 2017 Day 2 | |
| #8292 | 队长快跑AHOI 2017 Day 2HNOI 2017 Day 2 | |
| #8293 | 抛硬币AHOI 2017 Day 2HNOI 2017 Day 2 | |
| #8294 | Axis of SymmetryHong Kong Regional 2019 | |
| #8295 | Binary TreeHong Kong Regional 2019 | |
| #8296 | Constructing RanchesHong Kong Regional 2019 | |
| #8297 | Defining LabelsHong Kong Regional 2019 | |
| #8298 | Erasing NumbersHong Kong Regional 2019 | |
| #8299 | Falling ObjectsHong Kong Regional 2019 | |
| #8300 | Game DesignHong Kong Regional 2019 | |