結果

問題 No.5002 stick xor
ユーザー letrangerjp
提出日時 2018-05-26 10:45:22
言語 Ruby
(3.4.1)
結果
AC  
実行時間 541 ms / 1,000 ms
コード長 1,539 bytes
コンパイル時間 16,993 ms
実行使用メモリ 5,380 KB
スコア 39,729
最終ジャッジ日時 2018-05-26 10:45:41
ジャッジサーバーID
(参考情報)
judge7 /
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ファイルパターン 結果
other AC * 32
権限があれば一括ダウンロードができます
コンパイルメッセージ
Main.rb:56: warning: assigned but unused variable - size
Syntax OK

ソースコード

diff #
プレゼンテーションモードにする

DEBUG = false
N, K = gets.split.map &:to_i
L = gets.split.map &:to_i
LI = L.map.with_index{|l, i| [l, i]}.sort_by{|l, i| -l}
board = $<.map{|s|
s.chomp.chars.map &:to_i
}
$rows = board
$cols = board.transpose
def count_white
$rows.map{|a|
N - a.count(1)
}.sum
end
FirstScore = count_white
def calc_score
count_white - FirstScore
end
p FirstScore if DEBUG
p calc_score() if DEBUG
def update_memo(len)
max = 0
res = nil
$rows.each_with_index{|s, i|
cusum = [sum = 0] + s.map{|c|
sum += c
}
(0..N-len).each{|j|
if cusum[j+len] - cusum[j] > max
max = cusum[j+len] - cusum[j]
res = [:r, max, i, j]
return res if max >= len
end
}
}
$cols.each_with_index{|s, i|
cusum = [sum = 0] + s.map{|c|
sum += c
}
(0..N-len).each{|j|
if cusum[j+len] - cusum[j] > max
max = cusum[j+len] - cusum[j]
res = [:c, max, i, j]
return res if max >= len
end
}
}
res
end
ans = []
LI.each{|l, i|
sym, size, idx, pos = update_memo(l)
if sym.nil?
sym = [:r, :c].sample
idx = rand(N)
pos = rand(N)
end
pos = [N - l, pos].min
if sym == :r
(pos...pos+l).each{|j|
$rows[idx][j] ^= 1
$cols[j][idx] ^= 1
}
a = c = idx + 1
b = pos + 1
d = pos + l
else
(pos...pos+l).each{|j|
$cols[idx][j] ^= 1
$rows[j][idx] ^= 1
}
b = d = idx + 1
a = pos + 1
c = pos + l
end
ans[i] = [a, b, c, d]
}
ans.each{|a|
puts a * " "
}
p calc_score() if DEBUG
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