| #101 | Ticket-punchPetrozavodsk Summer 2012 Day 1 | |
| #102 | BootfallIZhO 2017 | |
| #103 | MoneyIZhO 2017 | |
| #104 | Longest beautiful sequenceIZhO 2017 | |
| #105 | Simple gameIZhO 2017 | |
| #106 | BombIZhO 2017 | |
| #107 | Hard routeIZhO 2017 | |
| #111 | Amusement ParkJOI Open Contest 2017Communication | |
| #112 | BulldozerJOI Open Contest 2017 | |
| #113 | GolfJOI Open Contest 2017 | |
| #114 | Construction of HighwayJOISC 2018 Day 1 | |
| #115 | FencesJOISC 2018 Day 1 | |
| #116 | TentsJOISC 2018 Day 1 | |
| #117 | AsceticismJOISC 2018 Day 2 | |
| #118 | Road ServiceJOISC 2018 Day 2Output Only | |
| #119 | Worst Reporter 3JOISC 2018 Day 2 | |
| #120 | Airline Route MapJOISC 2018 Day 3Communication | |
| #121 | Bitaro's PartyJOISC 2018 Day 3 | |
| #122 | Security GateJOISC 2018 Day 3 | |
| #123 | CandiesJOISC 2018 Day 4 | |
| #124 | LibraryJOISC 2018 Day 4Interactive | |
| #125 | Wild BoarJOISC 2018 Day 4 | |
| #126 | Balanced StringsPetrozavodsk Summer 2015 Day 1 | |
| #127 | Card Game StrategyPetrozavodsk Summer 2015 Day 1 | |
| #128 | CasinoPetrozavodsk Summer 2015 Day 1 | |
| #129 | Content DeliveryPetrozavodsk Summer 2015 Day 1 | |
| #130 | Cost Performance FlowPetrozavodsk Summer 2015 Day 1 | |
| #131 | ICPC teamsPetrozavodsk Summer 2015 Day 1 | |
| #132 | JAG Channel IIPetrozavodsk Summer 2015 Day 1 | |
| #133 | Kimagure CleanerPetrozavodsk Summer 2015 Day 1 | |
| #134 | MidpointPetrozavodsk Summer 2015 Day 1 | |
| #135 | Yet Another Game AIPetrozavodsk Summer 2015 Day 1 | |
| #136 | Runner and SniperPetrozavodsk Summer 2015 Day 1 | |
| #137 | Wall Making GamePetrozavodsk Summer 2015 Day 1 | |
| #138 | Bali SculpturesAPIO 2015 | |
| #139 | Jakarta SkyscrapersAPIO 2015 | |
| #140 | Palembang Bridges APIO 2015 | |
| #141 | 8 染色Communication | |
| #142 | 平面最近点对模板题 | |
| #143 | 最大流（随机数据）模板题 | |
| #144 | Primitive root / 原根 | |
| #146 | 常系数齐次线性递推模板题 | |
| #147 | FloppyRMI 2020Communication | |
| #148 | BrpermRMI 2020 | |
| #149 | PeruRMI 2020 | |
| #150 | Sum ZeroRMI 2020 | |
| #151 | Nice LinesRMI 2020Interactive | |
| #152 | ArborasRMI 2020 | |
| #162 | Merges and AcquisitionsPetrozavodsk Winter 2016 Day 2 | |
| #163 | Change a PasswordPetrozavodsk Winter 2016 Day 2 | |
| #164 | Delete FilesPetrozavodsk Winter 2016 Day 2 | |
| #165 | Linear GimmickPetrozavodsk Winter 2016 Day 2 | |
| #166 | Shifting a MatrixPetrozavodsk Winter 2016 Day 2 | |
| #167 | Modern Announce NetworkPetrozavodsk Winter 2016 Day 2 | |
| #168 | Cube DividingPetrozavodsk Winter 2016 Day 2 | |
| #169 | Donut DecorationPetrozavodsk Winter 2016 Day 2 | |
| #170 | Shortest BridgePetrozavodsk Winter 2016 Day 2 | |
| #171 | Longest Shortest PathPetrozavodsk Winter 2016 Day 2 | |
| #172 | Optimal TournamentPetrozavodsk Winter 2016 Day 2 | |
| #173 | Rearranging a SequenceTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #174 | Quality of Check DigitsTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #175 | Distribution CenterTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #176 | Hidden AnagramsTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #177 | Infallibly Crack Perplexing CryptarithmTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #178 | Three Kingdoms of BourdelotTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #179 | Placing Medals on a Binary TreeTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #180 | Animal Companion in MazeTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #181 | Skinny PolygonTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #182 | Cover the Polygon with Your DiskTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #183 | Black and White BoxesTsukuba Regional 2016Petrozavodsk Winter 2017 Day 8 | |
| #184 | Strange DeviceAPIO 2019 | |
| #185 | BridgesAPIO 2019 | |
| #186 | Street LampsAPIO 2019 | |
| #187 | 数树WC 2019 | |
| #188 | 远古计算机WC 2019Output Only | |
| #189 | I 君的商店WC 2019Interactive | |
| #190 | New HomeAPIO 2018 | |
| #191 | Circle selectionAPIO 2018 | |
| #192 | DuathlonAPIO 2018 | |
| #193 | ClimbersRMI 2018 | |
| #194 | PasswordRMI 2018Interactive | |
| #195 | TraffickersRMI 2018 | |
| #196 | ColorsRMI 2018 | |
| #197 | SquirrelRMI 2018 | |
| #198 | WRMI 2018 | |