結果
| 問題 | No.2412 YOU Grow Bigger! |
| コンテスト | |
| ユーザー |
tomerun
|
| 提出日時 | 2023-08-11 23:18:58 |
| 言語 | Crystal (1.14.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,595 bytes |
| 記録 | |
| コンパイル時間 | 11,810 ms |
| コンパイル使用メモリ | 296,360 KB |
| 実行使用メモリ | 11,684 KB |
| 最終ジャッジ日時 | 2024-11-18 18:42:31 |
| 合計ジャッジ時間 | 12,923 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 21 WA * 8 |
ソースコード
h, w = read_line.split.map(&.to_i)
s = Array.new(h) { read_line.chars.map { |ch| ch == '#' } }
h.times do |i|
w.times do |j|
if s[i][j]
-2.upto(0) do |dy|
-2.upto(0) do |dx|
ny = i + dy
nx = j + dx
next if ny < 0 || h <= ny || nx < 0 || w <= nx
s[ny][nx] = true
end
end
end
end
end
0.upto(h - 4) do |i|
s[i][w - 2] = true
s[i][w - 1] = true
end
0.upto(w - 4) do |i|
s[h - 2][i] = true
s[h - 1][i] = true
end
g = Array.new(h * w + 2) { [] of Tuple(Int32, Int32) }
start = h * w
goal = h * w + 1
3.times do |i|
1.upto(h - 1) do |j|
g[start] << {j * w + i, 1}
end
end
(h - 3).upto(h - 1) do |i|
0.upto(w - 4) do |j|
g[start] << {i * w + j, 1}
end
end
h.times do |i|
if s[i][0]
g[start] << {i * w, 0}
end
g[i * w + w - 1] << {goal, 0} if i < h - 3
end
w.times do |i|
if s[h - 1][i]
g[start] << {(h - 1) * w + i, 0}
end
g[i] << {goal, 0} if i > 0
end
h.times do |i|
w.times do |j|
if i > 0 && s[i - 1][j]
g[i * w + j] << {(i - 1) * w + j, 0}
end
if i < h - 1 && s[i + 1][j]
g[i * w + j] << {(i + 1) * w + j, 0}
end
if j > 0 && s[i][j - 1]
g[i * w + j] << {i * w + j - 1, 0}
end
if j < w - 1 && s[i][j + 1]
g[i * w + j] << {i * w + j + 1, 0}
end
[[-1, 0], [-1, 1], [-1, 2], [0, -1], [0, 0], [0, 1], [0, 2], [0, 3], [1, -1], [1, 0], [1, 1], [1, 2], [1, 3], [2, -1], [2, 0], [2, 1], [2, 2], [2, 3], [3, 0], [3, 1], [3, 2]].each do |mv|
my = mv[0] + i
mx = mv[1] = j
next if my < 0 || h <= my || mx < 0 || w <= mx
next if my < 3 && mx < 3
next if my >= h - 3 && mx >= w - 3
-2.upto(0) do |dy|
-2.upto(0) do |dx|
ny = my + dy
nx = mx + dx
next if ny < 0 || h <= ny || nx < 0 || w <= nx
g[i * w + j] << {ny * w + nx, 1}
end
end
end
# -3.upto(3) do |dy|
# -3.upto(3) do |dx|
# next if dy.abs + dx.abs == 6
# ny = i + dy
# nx = j + dx
# next if ny < 0 || h <= ny || nx < 0 || w <= nx
# next if ny == 0 && nx == 0
# next if ny >= h - 3 && nx >= w - 3
# g[i * w + j] << {ny * w + nx, 1}
# end
# end
end
end
dist = Array.new(g.size, 1 << 29)
dist[start] = 0
q = Deque.new([{start, 0}])
while !q.empty?
cp, cd = q.shift
# puts [cp // w, cp % w, cd]
g[cp].each do |adj, d|
nd = cd + d
next if dist[adj] <= nd
dist[adj] = nd
if d == 0
q.unshift({adj, nd})
else
q << {adj, nd}
end
end
end
puts dist[goal]
tomerun