제출 #117962

2 3
14
14

left:0 mid: 4 right: 8
left:4 mid: 6 right: 8
left:6 mid: 7 right: 8
left:7 mid: 7 right: 8
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7

3 6
9
9
6

left:0 mid: 2 right: 5
left:2 mid: 3 right: 5
left:3 mid: 4 right: 5
left:3 mid: 3 right: 4
3

3

2 9
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17

left:0 mid: 6 right: 12
left:0 mid: 3 right: 6
left:3 mid: 4 right: 6
left:4 mid: 5 right: 6
left:4 mid: 4 right: 5
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4