結果
| 問題 |
No.281 門松と魔法(1)
|
| コンテスト | |
| ユーザー |
siman
|
| 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 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 57 |
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
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
siman