组队训练赛No.12 - BJTU Virtual Judge

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ID	Origin	Title
Problem A	CFGym 101669A	Concerts
Problem B	CFGym 101669B	Bricks
Problem C	CFGym 101669C	Christmas Tree
Problem D	CFGym 101669D	Harry Potter and The Vector Spell
Problem E	CFGym 101669E	Looping Playlist
Problem F	CFGym 101669F	Binary Transformations
Problem G	CFGym 101669G	Robots
Problem H	CFGym 101669H	Cat and Mouse
Problem I	CFGym 101669I	Tetris
Problem J	CFGym 101669J	Cunning Friends
Problem K	CFGym 101669K	Escape Room
Problem L	CFGym 101669L	Divide and Conquer

Problem A. Concerts ***** Announcement 1 <= k <= 300 1 <= n <= 10^5

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RunID	User	Problem	Result	Memory (KB)	Time (ms)	Language	Length (Bytes)	Submit Time