ID 题目 显示标签 隐藏标签 AC / 尝试 难度
9454 P1971F   Circle Perimeter 0 / 0 (无)
9453 P1971G   XOUR 0 / 0 (无)
9452 P1971H   ±1 0 / 0 (无)
9414 P1972A   Contest Proposal 0 / 0 (无)
9413 P1972B   Coin Games 0 / 0 (无)
9475 P1973A   Chess For Three 0 / 0 (无)
9474 P1973B   Cat, Fox and the Lonely Array 0 / 0 (无)
9473 P1973C   Cat, Fox and Double Maximum 0 / 0 (无)
9472 P1973D   Cat, Fox and Maximum Array Split 0 / 0 (无)
9471 P1973E   Cat, Fox and Swaps 0 / 0 (无)
9470 P1973F   Maximum GCD Sum Queries 0 / 0 (无)
9482 P1974A   Phone Desktop 0 / 0 (无)
9481 P1974B   Symmetric Encoding 0 / 0 (无)
9480 P1974C   Beautiful Triple Pairs 0 / 0 (无)
9479 P1974D   Ingenuity-2 0 / 0 (无)
9478 P1974E   Money Buys Happiness 0 / 0 (无)
9477 P1974F   Cutting Game 0 / 0 (无)
9476 P1974G   Money Buys Less Happiness Now 0 / 0 (无)
9496 P1975A   Bazoka and Mocha's Array 0 / 0 (无)
9495 P1975B   378QAQ and Mocha's Array 0 / 0 (无)
9494 P1975C   Chamo and Mocha's Array 0 / 0 (无)
9493 P1975D   Paint the Tree 0 / 0 (无)
9492 P1975E   Chain Queries 0 / 0 (无)
9491 P1975F   Set 0 / 0 (无)
9490 P1975G   Zimpha Fan Club 0 / 0 (无)
9489 P1975H   378QAQ and Core 0 / 0 (无)
9488 P1975I   Mind Bloom 0 / 0 (无)
9508 P1976A   Verify Password 0 / 0 (无)
9507 P1976B   Increase/Decrease/Copy 0 / 0 (无)
9506 P1976C   Job Interview 0 / 0 (无)
9505 P1976D   Invertible Bracket Sequences 0 / 0 (无)
9504 P1976E   Splittable Permutations 0 / 0 (无)
9503 P1976F   Remove Bridges 0 / 0 (无)
9487 P1977A   Little Nikita 0 / 0 (无)
9486 P1977B   Binary Colouring 0 / 0 (无)
9485 P1977C   Nikita and LCM 0 / 0 (无)
9484 P1977D   XORificator 0 / 0 (无)
9483 P1977E   Tensor 0 / 0 (无)
9546 P1978A   Alice and Books 0 / 0 (无)
9545 P1978B   New Bakery 0 / 0 (无)
9544 P1978C   Manhattan Permutations 0 / 0 (无)
9543 P1978D   Elections 0 / 0 (无)
9542 P1978E   Computing Machine 0 / 0 (无)
9541 P1978F   Large Graph 0 / 0 (无)
9522 P1979A   Guess the Maximum 0 / 0 (无)
9521 P1979B   XOR Sequences 0 / 0 (无)
9520 P1979C   Earning on Bets 0 / 0 (无)
9519 P1979D   Fixing a Binary String 0 / 0 (无)
9518 P1979E   Manhattan Triangle 0 / 0 (无)
9517 P1979F   Kostyanych's Theorem 0 / 0 (无)

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根据当前过滤条件随机选择一道题