ID 题目 显示标签 隐藏标签 AC / 尝试 难度
473 P1753A2   Make Nonzero Sum (hard version) 0 / 0 5
471 P1753C   Wish I Knew How to Sort 0 / 0 7
455 P1759E   The Humanoid 0 / 0 5
440 P1761F1   Anti-median (Easy Version) 0 / 0 10
439 P1761F2   Anti-median (Hard Version) 0 / 0 10
432 P1762F   Good Pairs 0 / 0 10
427 P1763D   Valid Bitonic Permutations 0 / 0 8
426 P1763E   Node Pairs 0 / 0 8
425 P1763F   Edge Queries 0 / 0 10
421 P1764D   Doremy's Pegging Game 0 / 0 7
420 P1764E   Doremy's Number Line 0 / 0 9
412 P1765C   Card Guessing 0 / 0 10
409 P1765F   Chemistry Lab 0 / 0 8
398 P1766C   Hamiltonian Wall 0 / 0 4
396 P1766E   Decomposition 0 / 0 8
392 P1767C   Count Binary Strings 0 / 0 7
391 P1767D   Playoff 0 / 0 5
390 P1767E   Algebra Flash 0 / 0 9
383 P1768F   Wonderful Jump 0 / 0 10
378 P1770E   Koxia and Tree 0 / 0 9
377 P1770F   Koxia and Sequence 0 / 0 10
373 P1771B   Hossam and Friends 0 / 0 4
371 P1771D   Hossam and (sub-)palindromic tree 0 / 0 7
370 P1771E   Hossam and a Letter 0 / 0 9
362 P1773G   Game of Questions 0 / 0 10
357 P1773L   Lisa's Sequences 0 / 0 10
354 P1774C   Ice and Fire 0 / 0 4
352 P1774E   Two Chess Pieces 0 / 0 6
349 P1774G   Segment Covering 0 / 0 10
341 P1775F   Laboratory on Pluto 0 / 0 9
339 P1776B   Vittorio Plays with LEGO Bricks 0 / 0 8
336 P1776E   Crossing the Railways 0 / 0 10
330 P1776K   Uniform Chemistry 0 / 0 10
328 P1776M   Parmigiana With Seafood 0 / 0 10
323 P1777D   Score of a Tree 0 / 0 6
317 P1778D   Flexible String Revisit 0 / 0 7
315 P1778F   Maximizing Root 0 / 0 10
311 P1779D   Boris and His Amazing Haircut 0 / 0 5
309 P1779F   Xorcerer's Stones 0 / 0 9
302 P1780F   Three Chairs 0 / 0 8
295 P1781F   Bracket Insertion 0 / 0 10
288 P1783D   Different Arrays 0 / 0 7
281 P1784D   Wooden Spoon 0 / 0 9
280 P1784E   Infinite Game 0 / 0 10
273 P1787C   Remove the Bracket 0 / 0 5
268 P1787H   Codeforces Scoreboard 0 / 0 10
262 P1788E   Sum Over Zero 0 / 0 8
258 P1789C   Serval and Toxel's Arrays 0 / 0 5
256 P1789E   Serval and Music Game 0 / 0 9
255 P1789F   Serval and Brain Power 0 / 0 10

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手气不错

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