2021 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
1328 P1392H   ZS Shuffles Cards 0 / 0 (None)
1323 P1393D   Rarity and New Dress 0 / 0 (None)
1322 P1393E1   Twilight and Ancient Scroll (easier version) 0 / 0 (None)
1321 P1393E2   Twilight and Ancient Scroll (harder version) 0 / 0 (None)
1320 P1394A   Boboniu Chats with Du 0 / 0 (None)
1317 P1394D   Boboniu and Jianghu 0 / 0 (None)
1313 P1395C   Boboniu and Bit Operations 0 / 0 (None)
1310 P1396C   Monster Invaders 0 / 0 (None)
1303 P1398C   Good Subarrays 0 / 0 (None)
1302 P1398D   Colored Rectangles 0 / 0 (None)
1300 P1398F   Controversial Rounds 0 / 0 (None)
1292 P1399F   Yet Another Segments Subset 0 / 0 (None)
1287 P1400E   Clear the Multiset 0 / 0 (None)
1286 P1400F   x-prime Substrings 0 / 0 (None)
1285 P1400G   Mercenaries 0 / 0 (None)
1281 P1401D   Maximum Distributed Tree 0 / 0 (None)
1276 P1402C   Star Trek 0 / 0 (None)
1273 P1403C   Chess Rush 0 / 0 (None)
1271 P1404B   Tree Tag 0 / 0 (None)
1264 P1406B   Maximum Product 0 / 0 (None)

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