| #1301 | 括号路径WC 2021 | |
| #1302 | 表达式求值WC 2021 | |
| #1303 | 斐波那契WC 2021 | |
| #1318 | 易见2021 山东一轮集训 | |
| #1335 | AiGoPetrozavodsk Summer 2020 Day 5 | |
| #1336 | Non-Trivial Common DivisorPetrozavodsk Summer 2020 Day 5 | |
| #1337 | Parity SortPetrozavodsk Summer 2020 Day 5 | |
| #1338 | Permutation SortPetrozavodsk Summer 2020 Day 5 | |
| #1339 | Consistent TradingPetrozavodsk Summer 2020 Day 5 | |
| #1340 | All your base are belong to usPetrozavodsk Summer 2020 Day 5 | |
| #1341 | Route Calculator ReturnsPetrozavodsk Summer 2020 Day 5 | |
| #1342 | N-by-M grid calculationPetrozavodsk Summer 2020 Day 5 | |
| #1343 | Zombie LandPetrozavodsk Summer 2020 Day 5 | |
| #1344 | Rooks GamePetrozavodsk Summer 2020 Day 5 | |
| #1345 | BombingPetrozavodsk Summer 2020 Day 5 | |
| #1346 | The SpellbookPetrozavodsk Summer 2020 Day 5 | |
| #1347 | Universal and Existential QuantifiersPetrozavodsk Summer 2020 Day 5 | |
| #1348 | CactusPetrozavodsk Summer 2020 Day 5 | |
| #1349 | Towns and RoadsPetrozavodsk Summer 2020 Day 5 | |
| #1350 | MangoPetrozavodsk Summer 2020 Day 6 | |
| #1351 | Koosaga's ProblemPetrozavodsk Summer 2020 Day 6 | |
| #1352 | Gardening GamePetrozavodsk Summer 2020 Day 6 | |
| #1353 | Non-Decreasing Subarray GamePetrozavodsk Summer 2020 Day 6 | |
| #1354 | Observer GamePetrozavodsk Summer 2020 Day 6 | |
| #1355 | Rhythm GamePetrozavodsk Summer 2020 Day 6 | |
| #1356 | Solo Tree GamePetrozavodsk Summer 2020 Day 6 | |
| #1357 | Stone Catch GamePetrozavodsk Summer 2020 Day 6 | |
| #1358 | Selecting Points and SegmentsPetrozavodsk Summer 2020 Day 6 | |
| #1359 | Setting MapsPetrozavodsk Summer 2020 Day 6 | |
| #1360 | DeterminantPetrozavodsk Summer 2020 Day 6 | |
| #1361 | Ant TypingSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1362 | Bad PackingSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1363 | Bitonic OrderingSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1364 | CondorcetSoutheast USA Regional 2020Pacific Northwest Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1365 | Dominating DuosSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020 | |
| #1366 | Exam ManipulationSoutheast USA Regional 2020Pacific Northwest Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1367 | Exciting TournamentSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1368 | Kth SubtreeSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020 | |
| #1369 | Longest Common SubsequenceSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1370 | Magic TrickSoutheast USA Regional 2020Pacific Northwest Regional 2020South Central USA Regional 2020 | |
| #1371 | Missing NumberSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1372 | Rainbow NumbersSoutheast USA Regional 2020Pacific Northwest Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1373 | Rating ProblemsSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1374 | Triangular CollectionSoutheast USA Regional 2020Pacific Northwest Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1375 | TripTikSoutheast USA Regional 2020Pacific Northwest Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1376 | Unread MessagesSoutheast USA Regional 2020Mid-Atlantic USA Regional 2020South Central USA Regional 2020Mid-Central USA Regional 2020 | |
| #1377 | Liczba PotyczkowaPA 2020 | |
| #1378 | Mieszanie kolorów [B]PA 2020 | |
| #1379 | Punkty rankingowe [A]PA 2020 | |
| #1380 | Wybór zadań [C]PA 2020 | |
| #1381 | Elektrownie i fabryki [B]PA 2020 | |
| #1382 | Sen o podboju [A]PA 2020 | |
| #1383 | Zabawki [C]PA 2020 | |
| #1384 | Miny [B]PA 2020 | |
| #1385 | Ogromne drzewo [A]PA 2020 | |
| #1386 | Samochody dostawcze [C]PA 2020 | |
| #1387 | Malowanie płotu [B]PA 2020 | |
| #1388 | Tekstówka [A]PA 2020 | |
| #1389 | Wycieczka górska [C]PA 2020 | |
| #1390 | Królewski bal [B]PA 2020 | |
| #1391 | Bardzo skomplikowany test [B]PA 2020 | |
| #1392 | Cukierki [C]PA 2020 | |
| #1393 | Skierowany graf acykliczny [C]PA 2020 | |
| #1394 | Programowanie współbieżne [A]PA 2020 | |
| #1395 | Trzy drogi [A]PA 2020 | |
| #1396 | BusJOISC 2014 Day 1 | |
| #1397 | Growing Vegetables is FunJOISC 2014 Day 1 | |
| #1398 | Historical ResearchJOISC 2014 Day 1 | |
| #1399 | RamenJOISC 2014 Day 1Interactive | |
| #1400 | Water BottleJOISC 2014 Day 2 | |