[장희직] 표현 가능한 이진트리, 절댓값 힙, 치즈, 치킨 배달 #113
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jeeminimini
approved these changes
Mar 12, 2023
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| if (x == 0) { | ||
| pq.poll().run { | ||
| println(this ?: 0) | ||
| } | ||
| } else { | ||
| pq.add(x) | ||
| } |
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| if (board[nx][ny] == 1) { | ||
| board[nx][ny] = -1 | ||
| cnt++ | ||
| } |
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이걸 bfs로 돌면서 체크할 수 있다는걸 전혀 몰랐네요,,, 👍
soopeach
approved these changes
Mar 12, 2023
| for (i in dx.indices) { | ||
| val nx = x + dx[i] | ||
| val ny = y + dy[i] | ||
| if ((nx !in 0 until n) or (ny !in 0 until m)) continue |
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| fun getHeightOfTree(n: Int): Int { | ||
| return (ln(n.toDouble()) / ln(2.0)).toInt() + 1 |
bngsh
approved these changes
Mar 12, 2023
| val ny = y + dy[i] | ||
| if ((nx !in 0 until n) or (ny !in 0 until m)) continue | ||
| if (board[nx][ny] == 1) { | ||
| board[nx][ny] = -1 |
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0이든 1이든 -1로 바꿔준 후에 bfs끝나고 -1을 0으로 바꿔주면 visited가 필요 없군여
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| fun getHeightOfTree(n: Int): Int { | ||
| return (ln(n.toDouble()) / ln(2.0)).toInt() + 1 | ||
| } |
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📌 from issue #111 📌
📋문제 목록📋
📍추가로 해결한 문제📍