ID 题目 显示标签 隐藏标签 AC / 尝试 难度
386 ORIGLIFE  Origin of Life 0 / 0 (无)
819 OROSNAKE  Ouroboros Snake 0 / 0 (无)
525 ORZ  Nuclear Plants 0 / 0 (无)
1536 OSPROB1  Operating System Problems (Task Scheduling) 0 / 0 (无)
991 OTOCI  OTOCI 0 / 0 (无)
2024 OTOY1  One Theorem, One Year 0 / 0 (无)
2721 OU7  Fone Frequencies 0 / 0 (无)
3223 OVERLAP  Overlapping Words 0 / 0 (无)
3825 OVGDEL  Good Elements 0 / 0 (无)
3837 OVICUMSUM  A Cumulative Sum Problem 0 / 0 (无)
3838 OVISLARSUM  Large Sum 0 / 0 (无)
2418 OVOXO  Tic-tac-toe 3 0 / 0 (无)
1121 PA06ANT  Ant 0 / 0 (无)
1726 PAAAARTY  Party! 0 / 0 (无)
2257 PACKRECT  Packing Rectangles 0 / 0 (无)
852 PAGAIN  Prime Again 1 / 2 10
739 PAINTBLC  Painting Blocks (Act II) 0 / 0 (无)
738 PAINTBLK  Painting Blocks (Act I) 0 / 0 (无)
130 PAINTTMP  Paint templates 0 / 0 (无)
1807 PAINTWAL  Paint on a Wall 0 / 0 (无)
3359 PAIRDIV2  Pair Divisible 2 0 / 0 (无)
1150 PAIRGRPH  A Pair of Graphs 0 / 0 (无)
301 PAIRINT  Pairs of Integers 0 / 0 (无)
1171 PAIRSORT  Double Sorting 0 / 0 (无)
1832 PAIRSUM  Sum of Pairwise Products 0 / 0 (无)
385 PALACE  Accomodate the palace 0 / 0 (无)
909 PALDR  Even Palindrome 0 / 0 (无)
767 PALIM  Yet Another Longest Palindrome Problem 0 / 0 (无)
5 PALIN  The Next Palindrome 0 / 0 (无)
1938 PALINDNA  Palindromic DNA 0 / 0 (无)
3759 PALMKR  Palindrome Maker 0 / 0 (无)
758 PALNUM  Palindromic Number 0 / 0 (无)
3865 PALOVE  Pandas are the best Lovers 0 / 0 (无)
3357 PALPRIM  Palindromic Primes (Hard) 1 / 1 10
129 PALSEC  Choosing a Palindromic Sequence 0 / 0 (无)
2989 PAML  Popeye and the magical land 0 / 0 (无)
1433 PANCAKES  Delicious Pancakes 0 / 0 (无)
160 PANIC  Panic in the Plazas 0 / 0 (无)
1217 PARADOX  Paradox 0 / 0 (无)
3652 PARAG  Paragliding Trip 0 / 0 (无)
2621 PARCARD1  Partition function (EASY) 0 / 0 (无)
2622 PARCARD2  Partition function (HARD) 0 / 0 (无)
2022 PAREN  COUNT PAREN 0 / 0 (无)
847 PARITY  Parity 0 / 0 (无)
1617 PARKET1  PARKET 0 / 0 (无)
794 PARKINGL  Parking Lot 0 / 0 (无)
1953 PARSUMS  Nonnegative Partial Sums 0 / 0 (无)
115 PARTIT  Partition 0 / 0 (无)
1346 PARTPAL  Partial Palindrome 0 / 0 (无)
283 PARTPALI  Particular Palindromes 0 / 0 (无)

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