ID Problem Show tags Hide tags AC / Tried Difficulty
4439 P1059B  Forgery 0 / 0 (None)
4440 P1059C  Sequence Transformation 0 / 0 (None)
4441 P1059D  Nature Reserve 0 / 0 (None)
64 P1060  排列数 0 / 0 (None)
4442 P1060A  Phone Numbers 0 / 0 (None)
4443 P1060C  Maximum Subrectangle 0 / 0 (None)
4444 P1060D  Social Circles 0 / 0 (None)
4445 P1060F  Shrinking Tree 0 / 0 (None)
4446 P1060G  Balls and Pockets 0 / 0 (None)
65 P1061  I.第八大奇迹 1 / 1 10
4447 P1061A  Coins 0 / 0 (None)
4448 P1061B  Views Matter 0 / 0 (None)
4449 P1061D  TV Shows 0 / 0 (None)
4450 P1061F  Lost Root 0 / 0 (None)
66 P1062  加法 105 / 767 8
4451 P1062B  Math 0 / 0 (None)
4452 P1062D  Fun with Integers 0 / 0 (None)
4453 P1062F  Upgrading Cities 0 / 0 (None)
67 P1063  sxy的核电站 4 / 13 9
4454 P1063B  Labyrinth 0 / 0 (None)

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