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ID ↑	Problème Interactive Output Only Communication	Évaluation ⇅
#67	Two Transportations JOISC 2019 Day 2 Communication
#111	Amusement Park JOI Open Contest 2017 Communication
#120	Airline Route Map JOISC 2018 Day 3 Communication
#141	8 染色 Communication
#147	Floppy RMI 2020 Communication
#295	编码干扰 SDOI 2014 Round 2 Day 2 Communication
#364	Broken Device JOISC 2017 Day 2 Communication
#370	City JOISC 2017 Day 4 Communication
#412	Snowy Roads JOISC 2016 Day 4 Communication
#503	IP over Avian Carrier Nordic OI 2017 Communication
#1139	Stations IOI 2020 Day 2 Communication
#1212	Navigation JOISC 2015 Day 3 Communication
#1407	Kanji Shiritori JOISC 2014 Day 4 Communication
#1419	Messenger JOISC 2013 Day 4 Communication
#1505	Last Supper IOI 2012 Day 2 Communication
#2006	Parrots IOI 2011 Day 2 Communication
#2348	Bijection Petrozavodsk Winter 2020 Day 1 Communication
#2351	Lost in Transfer Petrozavodsk Winter 2020 Day 1 Communication
#2352	Maze with a Hint Petrozavodsk Winter 2020 Day 1 Communication
#2810	Speedrun RMI 2021 Day 1 Communication
#3097	Shopping JOISC 2021 Day 2 Communication
#3098	Ancient Machine JOISC 2021 Day 3 Communication
#3102	Navigation 2 JOISC 2021 Day 4 Communication
#3505	Flights JOISC 2022 Day 2 Communication
#3507	Broken Device 2 JOISC 2022 Day 3 Communication
#3560	Stray Cat JOISC 2020 Day 3 Communication
#4035	Board Trick LIV St. Petersburg State University Championship Communication
#4087	철도 KOI TST 2021 Day 1 Communication
#4208	Flight to the Ford Baltic OI 2022 Day 2 Communication
#4250	Mars APIO 2022 Communication
#4664	Broken Connection ByteDance-Moscow Workshops Camp 2022 Shuffle Contest Communication
#4675	Multiple Communications ByteDance-Moscow Workshops Camp 2022 Shuffle Contest Communication
#4824	Bracket-and-bar Sequences Petrozavodsk Summer 2022 Day 4 Communication
#4825	Even and Odd Combinations Petrozavodsk Summer 2022 Day 4 Communication
#4826	Find the Parts Petrozavodsk Summer 2022 Day 4 Communication
#4827	Message Made of Noise Petrozavodsk Summer 2022 Day 4 Communication
#4828	Four Plus Four Petrozavodsk Summer 2022 Day 4 Communication
#4829	Mark on a Graph Petrozavodsk Summer 2022 Day 4 Communication
#4830	Transfer of Duty Petrozavodsk Summer 2022 Day 4 Communication
#4831	Eager Sorting Petrozavodsk Summer 2022 Day 4 Communication
#4832	Telepathy Petrozavodsk Summer 2022 Day 4 Communication
#4833	Tetra-puzzle Petrozavodsk Summer 2022 Day 4 Communication
#4834	Trijection Petrozavodsk Summer 2022 Day 4 Communication
#4912	WereYouLast 集训队互测 2021 Round 8 Communication
#5018	nth 集训队互测 2022 Round 2 Communication
#5185	Chika Wants to Cheat EGOI 2022 Day 2 Communication
#5366	面国超算北大集训 2018 Day 4 CTT 2018 Day 4 Communication Unavailable
#5447	鸽子 CTS 2023 Day 1 Communication
#5533	Trick CEOI 2016 Day 1 Communication
#6206	Magic Cards IOI 2022 Practice Communication
#6341	The Last Battle JOISC 2023 Day 4 Communication
#6529	Alice, Bob and Circuit APIO 2023 Communication
#6549	Two Missing Numbers Petrozavodsk Winter 2023 Day 5 Communication
#6552	Good and Lucky Matrices Petrozavodsk Winter 2023 Day 5 Communication
#6556	Text Editor Petrozavodsk Winter 2023 Day 5 Communication
#6661	야유회 KOI TST 2023 Day 1 Communication
#6669	Mapa Izborne Pripreme 2023 Day 2 Communication
#6985	Card Trick eJOI 2020 Day 2 Communication
#7115	Can You Guess My Sequence?Communication
#7161	Guessing Game EGOI 2023 Day 2 Communication
#7280	The Ties That Guide Us CEOI 2023 Day 2 Communication
#7291	Painting Squares IOI 2020 Practice Communication
#7643	esreveR Order Universal Cup Communication
#7723	Hash Server Petrozavodsk Summer 2023 Day 2 Communication
#8221	多方计算 CTS 2024 Day 2 Communication
#8320	种树 THUSC 2021 Day 1 Communication
#8373	Missing Communication
#8378	Waldo Communication
#8629	寻宝 THUSC 2022 Day 1 Communication
#8642	Spy 3 JOISC 2024 Day 1 JOIST 2024 Day 1 Communication
#8644	Tricolor Lights JOISC 2024 Day 2 JOIST 2024 Day 2 Communication
#8726	Magic Show APIO 2024 Communication
#8794	(Un)labeled graphs Universal Cup Communication
#8870	Human Resources CERC 2023 Communication
#8903	Тайное послание ROI 2023 Day 1 Communication
#8969	Novine Izborne Pripreme 2021 Day 2 Communication
#9138	Marks Sum Universal Cup Communication
#9185	Garden Decorations EGOI 2024 Day 1 Communication
#9237	Message IOI 2024 Day 1 Communication
#9688	通信 CTS 2025 Day 2 Communication
#10097	Vortex Communication Petrozavodsk Winter 2025 Day 7
#10168	Dota 322 for Droids Petrozavodsk Winter 2024 Day 7 Communication
#10178	그리드 복원 KOI TST 2025 Day 1 Communication
#10198	Automatizacija Croatian OI 2025 Communication
#11402	Fortune Telling 3 JOISC 2025 Day 1 JOIST 2025 Day 1 Communication
#11444	Flash memory Baltic OI 2019 Day 1 Communication
#12045	Telepathy JOI Open Contest 2025 Communication
#12650	Saveit IOI 2010 Day 2 Communication
#13172	Laser Strike EGOI 2025 Day 2 Communication
#13549	Treasure IOI 2024 Practice Communication
#13594	Mensza Croatian OI 2022 Communication
#13613	Question CEOI 2014 Day 1 Communication
#13651	Magic Trick IOI 2025 Practice Communication
#13794	Data Transfer IOI 2019 Practice Communication
#13906	Migrations IOI 2025 Day 2 Communication
#14056	Theseus CEOI 2025 Day 2 Communication