ID Problem Show tags Hide tags AC / Tried Difficulty
9207 P9920  「RiOI-03」变换,反演 0 / 0 7
9324 P9921  [POI 2023/2024 R1] Budowa lotniska 0 / 0 5
9325 P9922  [POI 2023/2024 R1] CzatBBB 0 / 0 6
9326 P9923  [POI 2023/2024 R1] Przyciski 0 / 0 5
9327 P9924  [POI 2023/2024 R1] Satelity 0 / 0 7
9328 P9925  [POI 2023/2024 R1] Zapobiegliwy student 0 / 0 6
9345 P9926  [NFLSPC #6] 所以 k 小生成树怎么做? 0 / 0 7
9346 P9927  [NFLSPC #6] 真理祭坛 0 / 0 7
9347 P9928  [NFLSPC #6] 来点不那么魔怔的题面 0 / 0 3
9348 P9929  [NFLSPC #6] 挑战大数因子分解 0 / 0 5
9349 P9930  [NFLSPC #6] 1064 病毒 0 / 0 3
9350 P9931  [NFLSPC #6] 挑战停机问题 0 / 0 6
9351 P9932  [NFLSPC #6] 树 0 / 0 7
9352 P9933  [NFLSPC #6] 9.pop_book(); 0 / 0 6
9353 P9934  [NFLSPC #6] 绝不能忘记的事…… 0 / 0 5
9354 P9935  [NFLSPC #6] 啊,忘记了。 0 / 0 6
9355 P9936  [NFLSPC #6] 等差数列 0 / 0 4
9365 P9937  [USACO21OPEN] Acowdemia I B 0 / 0 2
9366 P9938  [USACO21OPEN] Acowdemia II B 0 / 0 (None)
9367 P9939  [USACO21OPEN] Acowdemia III B 0 / 0 (None)
9368 P9940  [USACO21JAN] Uddered but not Herd B 0 / 0 1
9369 P9941  [USACO21JAN] Even More Odd Photos B 0 / 0 2
9370 P9942  [USACO21JAN] Just Stalling B 0 / 0 (None)
9371 P9943  [USACO21FEB] Year of the Cow B 0 / 0 (None)
9372 P9944  [USACO21FEB] Comfortable Cows B 0 / 0 (None)
9373 P9945  [USACO21FEB] Clockwise Fence B 0 / 0 2
9374 P9946  [USACO20JAN] Word Processor B 0 / 0 1
9375 P9947  [USACO20JAN] Photoshoot B 0 / 0 2
9376 P9948  [USACO20JAN] Race B 0 / 0 3
9393 P9949  [USACO20FEB] Triangles B 0 / 0 (None)
9394 P9950  [USACO20FEB] Mad Scientist B 0 / 0 1
9395 P9951  [USACO20FEB] Swapity Swap B 0 / 0 (None)
9396 P9952  [USACO20OPEN] Social Distancing I B 0 / 0 (None)
9397 P9953  [USACO20OPEN] Social Distancing II B 0 / 0 (None)
9398 P9954  [USACO20OPEN] Cowntact Tracing B 0 / 0 (None)
9399 P9955  [USACO20DEC] Do You Know Your ABCs? B 0 / 0 1
9400 P9956  [USACO20DEC] Daisy Chains B 0 / 0 2
9401 P9957  [USACO20DEC] Stuck in a Rut B 0 / 0 (None)
9402 P9958  [USACO19JAN] Shell Game B 0 / 0 (None)
9403 P9959  [USACO19JAN] Sleepy Cow Sorting B 0 / 0 (None)
9404 P9960  [USACO19JAN] Guess the Animal B 0 / 0 (None)
9425 P9961  [THUPC 2024 初赛] 排序大师 0 / 0 7
9426 P9962  [THUPC 2024 初赛] 一棵树 0 / 0 7
9427 P9963  [THUPC 2024 初赛] 前缀和 0 / 0 4
9429 P9964  [THUPC 2024 初赛] 多折较差验证 0 / 0 6
9431 P9965  [THUPC 2024 初赛] 转化 0 / 0 5
9432 P9966  [THUPC 2024 初赛] 机器人 0 / 0 6
9433 P9967  [THUPC 2024 初赛] 采矿 0 / 0 6
9434 P9968  [THUPC 2024 初赛] 二进制 0 / 0 5
9435 P9969  [THUPC 2024 初赛] 分治乘法 0 / 0 6
9436 P9970  [THUPC 2024 初赛] 套娃 0 / 0 6
9437 P9971  [THUPC 2024 初赛] 三步棋 0 / 0 4
9438 P9972  [THUPC 2024 初赛] 勇闯末日塔 0 / 0 7
9439 P9973  [THUPC 2024 初赛] 你说得对,但是 AIGC 0 / 0 1
9428 P9974  [USACO23DEC] Candy Cane Feast B 0 / 0 3
9430 P9975  [USACO23DEC] Cowntact Tracing 2 B 0 / 0 3
9440 P9976  [USACO23DEC] Farmer John Actually Farms B 0 / 0 3
9441 P9977  [USACO23DEC] Bovine Acrobatics S 0 / 0 4
9442 P9978  [USACO23DEC] Cycle Correspondence S 0 / 0 3
9443 P9979  [USACO23DEC] Target Practice S 0 / 0 4
9444 P9980  [USACO23DEC] Flight Routes G 0 / 0 4
9445 P9981  [USACO23DEC] Minimum Longest Trip G 0 / 0 4
9447 P9982  [USACO23DEC] Haybale Distribution G 0 / 0 4
9448 P9983  [USACO23DEC] Cowntact Tracing P 0 / 0 7
9449 P9984  [USACO23DEC] A Graph Problem P 0 / 0 6
9450 P9985  [USACO23DEC] Train Scheduling P 0 / 0 6
9198 P9986  [Ynoi2079] r2pspc 0 / 0 7
9186 P9987  [Ynoi2079] riapq 0 / 0 7
9195 P9988  [Ynoi2079] 2stmo 0 / 0 7
9380 P9989  [Ynoi Easy Round 2023] TEST_69 0 / 0 6
9382 P9990  [Ynoi Easy Round 2023] TEST_90 0 / 0 6
9211 P9991  [Ynoi Easy Round 2023] TEST_107 0 / 0 6
9212 P9992  [Ynoi Easy Round 2024] TEST_130 0 / 0 6
9193 P9993  [Ynoi Easy Round 2024] TEST_133 0 / 0 6
9386 P9994  [Ynoi Easy Round 2024] TEST_132 0 / 0 6
9390 P9995  [Ynoi2000] rspcn 0 / 0 6
9387 P9996  [Ynoi2000] hpi 0 / 0 7
9378 P9997  [Ynoi2000] pmpkmp 0 / 0 7
9383 P9998  [Ynoi2000] rfrqwq 0 / 0 6
9385 P9999  [Ynoi2000] tmostnrq 0 / 0 7
9277 P10000  [集训队互测 2023] 矩阵快速幂 0 / 0 7
9461 P10001  [集训队互测 2023] 优惠购物 0 / 0 7
9469 P10002  [集训队互测 2023] 树哈希 0 / 0 7
9182 P10003  [集训队互测 2023] 傅里叶与交通系统 0 / 0 7
9460 P10004  [集训队互测 2023] Permutation Counting 2 0 / 0 7
9264 P10005  [集训队互测 2023] 基础寄术练习题 0 / 0 7
9282 P10006  [集训队互测 2023] 超现实树 0 / 0 7
9306 P10007  [集训队互测 2023] 童话 0 / 0 7
9462 P10008  [集训队互测 2022] Range Minimum Element 0 / 0 7
9446 P10009  [集训队互测 2022] 线段树 0 / 0 7
9487 P10010  [集训队互测 2023] Grievous Lady 0 / 0 7
9463 P10011  [集训队互测 2023] 网格图最大流计数 0 / 0 7
9464 P10012  [集训队互测 2023] 落日珊瑚 0 / 0 7
9465 P10013  [集训队互测 2023] Tree Topological Order Counting 0 / 0 6
9466 P10014  [集训队互测 2023] 茧 0 / 0 7
9467 P10015  [集训队互测 2023] 左蓝右红 0 / 0 7
9468 P10016  [集训队互测 2023] 虹 0 / 0 7
9539 P10017  [集训队互测 2023] Axium Crisis 0 / 0 7
9192 P10024  「HCOI-R1」报名人数 0 / 0 2
9191 P10025  「HCOI-R1」孤独的 sxz 0 / 0 4

Categories

Lucky

Pick a problem randomly based on the current filter.