| #18601 | ZagradeCroatian OI 2017 | |
| #18602 | Распределённые системыROI 2026 Day 1 | |
| #18603 | Расследование в ТемерииROI 2026 Day 1 | |
| #18604 | Скобки и деревьяCommunicationROI 2026 Day 1 | |
| #18605 | Спортивная тренировкаROI 2026 Day 1 | |
| #18606 | Обобщённые шахматыROI 2026 Day 2 | |
| #18607 | Ночь, улица, фонарь, аптекаROI 2026 Day 2 | |
| #18608 | МарсианскийрюкзакROI 2026 Day 2 | |
| #18609 | Хорошие раскраски — 8ROI 2026 Day 2 | |
| #18654 | Survival Route | |
| #18655 | Dispersed parentheses | |
| #18656 | Chocolate triangles | |
| #18657 | LWDB | |
| #18658 | Pea-City | |
| #18659 | Beautiful sums | |
| #18660 | Nano alarm-clocks | |
| #18661 | Lunch | |
| #18662 | Accounting Numeral System | |
| #18663 | Ceizenpok’s formula | |
| #18664 | Dividing an orange | |
| #18665 | The Pool for Lucky Ones | |
| #18666 | 체육은 수학과목 입니다UCPC 2024 Preliminary | |
| #18667 | Two trees, twelve forestsUCPC 2024 Preliminary | |
| #18668 | 미어캣UCPC 2024 Preliminary | |
| #18669 | 이진 검색 트리 복원하기UCPC 2024 Preliminary | |
| #18670 | 지금 자면 꿈을 꾸지만UCPC 2024 Preliminary | |
| #18671 | 두 배UCPC 2024 Preliminary | |
| #18672 | 석고 모형 만들기UCPC 2024 Preliminary | |
| #18673 | 만보기 대행 서비스UCPC 2024 Preliminary | |
| #18674 | 민들레UCPC 2024 Preliminary | |
| #18675 | 동전 쌍 뒤집기UCPC 2024 Preliminary | |
| #18676 | 나무 심기UCPC 2024 Preliminary | |
| #18677 | 복사 붙여넣기UCPC 2024 Preliminary | |
| #18678 | Beautiful Sequence2025 KSA Automata Winter Contest | |
| #18679 | Evening Taekwondo2025 KSA Automata Winter Contest | |
| #18680 | Art Class2025 KSA Automata Winter Contest | |
| #18681 | KSA String 22025 KSA Automata Winter Contest | |
| #18682 | Score of the Sequence2025 KSA Automata Winter Contest | |
| #18683 | The Hanbyeol's Guide to the Multiverse2025 KSA Automata Winter ContestInteractive | |
| #18684 | Skipping Self-Study2025 KSA Automata Winter Contest | |
| #18685 | Cookie Factory2025 KSA Automata Winter Contest | |
| #18686 | KSA Sequence and Queries2025 KSA Automata Winter Contest | |
| #18687 | Caterpillar and Tree2025 KSA Automata Winter Contest | |
| #18688 | Putata Strikes BackACM-HK Programming Contest 2023 | |
| #18689 | Xor is AddACM-HK Programming Contest 2023 | |
| #18690 | Permutation Compression IIACM-HK Programming Contest 2023 | |
| #18691 | Simple CalculationACM-HK Programming Contest 2023 | |
| #18692 | Surreal NumberACM-HK Programming Contest 2023 | |
| #18693 | Yet Another Modify and Query ProblemACM-HK Programming Contest 2023 | |
| #18694 | Tag GameACM-HK Programming Contest 2023 | |
| #18695 | 수학은 비대면강의입니다UCPC 2020 Preliminary | |
| #18696 | 길이 문자열UCPC 2020 Preliminary | |
| #18697 | 삼항 연산자UCPC 2020 Preliminary | |
| #18698 | ㄷㄷㄷㅈUCPC 2020 Preliminary | |
| #18699 | 감자 농장UCPC 2020 Preliminary | |
| #18700 | 전투 시뮬레이션UCPC 2020 Preliminary | |