ID Problem Show tags Hide tags AC / Tried Difficulty
4455 P1063D   Candies for Children 0 / 0 (None)
4456 P1063E   Lasers and Mirrors 0 / 0 (None)
4457 P1063F   String Journey 0 / 0 (None)
68 P1064   最长上升子序列 1 / 1 10
4458 P1064B   Equations of Mathematical Magic 0 / 0 (None)
69 P1065   单源最短路 4 / 21 8
4459 P1065B   Vasya and Isolated Vertices 0 / 0 (None)
4460 P1065C   Make It Equal 0 / 0 (None)
4461 P1065E   Side Transmutations 0 / 0 (None)
4462 P1065F   Up and Down the Tree 0 / 0 (None)
70 P1066   最小生成树 3 / 14 9
4463 P1066A   Vova and Train 0 / 0 (None)
4464 P1066C   Books Queries 0 / 0 (None)
4465 P1066D   Boxes Packing 0 / 0 (None)
4466 P1066F   Yet another 2D Walking 0 / 0 (None)
71 P1067   [NOIP2016]组合数问题 2 / 8 10
4467 P1067B   Multihedgehog 0 / 0 (None)
4468 P1067D   Computer Game 0 / 0 (None)
4469 P1067E   Random Forest Rank 0 / 0 (None)
72 P1068   [NOIP2016]换教室 1 / 1 10

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