結果

問題 No.281 門松と魔法(1)
ユーザー simansiman
提出日時 2022-11-14 02:25:19
言語 Ruby
(3.4.1)
結果
AC  
実行時間 97 ms / 1,000 ms
コード長 1,256 bytes
コンパイル時間 80 ms
コンパイル使用メモリ 7,296 KB
実行使用メモリ 12,288 KB
最終ジャッジ日時 2024-09-15 07:19:36
合計ジャッジ時間 6,720 ms
ジャッジサーバーID
(参考情報)
judge2 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 57
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:10: warning: ambiguous first argument; put parentheses or a space even after `-' operator
Main.rb:87: warning: ambiguous first argument; put parentheses or a space even after `-' operator
Syntax OK

ソースコード

diff #
プレゼンテーションモードにする

D = gets.to_i
H = 3.times.map { gets.to_i }
if D == 0
if H[0] < H[1] && H[1] > H[2] && H.size == H.uniq.size
puts 0
elsif H[0] > H[1] && H[1] < H[2] && H.size == H.uniq.size
puts 0
else
puts -1
end
exit
end
def f(h)
cnt = 0
if h[0] == h[2]
h[0] = [0, h[0] - D].max
cnt += 1
end
if h[0] == h[2]
return Float::INFINITY
end
if h[0] <= h[1]
diff = h[1] - h[0] + 1
c = Rational(diff, D).ceil
cnt += c
h[1] = [0, h[1] - c * D].max
end
if h[2] <= h[1]
diff = h[1] - h[2] + 1
c = Rational(diff, D).ceil
cnt += c
h[1] = [0, h[1] - c * D].max
end
if h[0] == h[1]
return Float::INFINITY
end
if h[1] == h[2]
return Float::INFINITY
end
cnt
end
def g(h)
cnt = 0
if h[0] >= h[1]
diff = h[0] - h[1] + 1
c = Rational(diff, D).ceil
cnt += c
h[0] = [0, h[0] - c * D].max
end
if h[2] >= h[1]
diff = h[2] - h[1] + 1
c = Rational(diff, D).ceil
cnt += c
h[2] = [0, h[2] - c * D].max
end
if h[0] == h[2]
h[0] = [0, h[0] - D].max
cnt += 1
end
if h[0] == h[2]
return Float::INFINITY
end
cnt
end
a1 = f(H.dup)
a2 = g(H.dup)
ans = [a1, a2].min
if ans == Float::INFINITY
puts -1
else
puts ans
end
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