ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4855 P762B   USB vs 0 / 0 4
4812 P770D   Draw Brackets! 0 / 0 4
4698 P797B   Odd sum 0 / 0 4
4688 P799B   T-shirt buying 0 / 0 4
4671 P802J   Send the Fool Further! (easy) 0 / 0 4
4665 P803A   Maximal Binary Matrix 0 / 0 4
4657 P804B   Minimum number of steps 0 / 0 4
4646 P808C   Tea Party 0 / 0 4
4607 P816B   Karen and Coffee 0 / 0 4
4527 P838A   Binary Blocks 0 / 0 4
4504 P843A   Sorting by Subsequences 0 / 0 4
4457 P851B   Arpa and an exam about geometry 0 / 0 4
4394 P865A   Save the problem! 0 / 0 4
4385 P868B   Race Against Time 0 / 0 4
4306 P888C   K-Dominant Character 0 / 0 4
4269 P898C   Phone Numbers 0 / 0 4
4234 P907B   Tic-Tac-Toe 0 / 0 4
4214 P911C   Three Garlands 0 / 0 4
4159 P920C   Swap Adjacent Elements 0 / 0 4
4104 P928B   Chat 0 / 0 4
4081 P934A   A Compatible Pair 0 / 0 4
4068 P937B   Vile Grasshoppers 0 / 0 4
4053 P940B   Our Tanya is Crying Out Loud 0 / 0 4
4025 P954B   String Typing 0 / 0 4
4016 P955B   Not simply beatiful strings 0 / 0 4
4010 P958A1   Death Stars (easy) 0 / 0 4
4002 P958D1   Hyperspace Jump (easy) 0 / 0 4
3978 P961C   Chessboard 1 / 2 4
3971 P962C   Make a Square 0 / 0 4
3950 P975C   Valhalla Siege 0 / 0 4
3938 P977D   Divide by three, multiply by two 0 / 0 4
3931 P978E   Bus Video System 0 / 0 4
3915 P981C   Useful Decomposition 0 / 0 4
3881 P987C   Three displays 0 / 0 4
3878 P988C   Equal Sums 0 / 0 4
3844 P994B   Knights of a Polygonal Table 0 / 0 4
3842 P995B   Suit and Tie 0 / 0 4
3814 P1001B   Generate Bell state 0 / 0 4
3813 P1001C   Generate GHZ state 0 / 0 4
3812 P1001D   Distinguish plus state and minus state 0 / 0 4
3809 P1001G   Oracle for f(x) = k-th element of x 0 / 0 4
3783 P1004C   Sonya and Robots 0 / 0 4
3758 P1009B   Minimum Ternary String 0 / 0 4
3577 P1046C   Space Formula 0 / 0 4
3576 P1046F   Splitting money 0 / 0 4
3540 P1057B   DDoS 0 / 0 4
3524 P1061B   Views Matter 0 / 0 4
3496 P1066C   Books Queries 0 / 0 4
3487 P1068A   Birthday 0 / 0 4
3406 P1088C   Ehab and a 2-operation task 0 / 0 4

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