AtCoder Beginner Contest 296
A - Alternately
B - Chessboard
C - Gap Existence
D - M<=ab
E - Transition Game
F - Simultaneous Swap
G - Polygon and Points
A - Alternately
B - Chessboard
C - Gap Existence
D - M<=ab
E - Transition Game
F - Simultaneous Swap
G - Polygon and Points
E - Isolation
F - Merge Set
G - Sort from 1 to 4
A
B
C
D
E