結果
問題 |
No.33 アメーバがたくさん
|
ユーザー |
|
提出日時 | 2020-02-08 22:16:27 |
言語 | Crystal (1.14.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 2,272 bytes |
コンパイル時間 | 11,839 ms |
コンパイル使用メモリ | 296,676 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-30 19:59:24 |
合計ジャッジ時間 | 12,598 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 11 |
ソースコード
struct Range(B, E) #Perform binary search #Based on Marc-André Lafortune's Ruby backports implementation, ported by @cielavenir def bsearch #return to_enum(:bsearch) unless block_given? from = self.begin to = self.end unless from.is_a?(Int) && to.is_a?(Int) # Float support is currently dropped raise "can't do binary search for #{from.class}" end midpoint = 0 # placeholder #convert = ->{ (pointerof(midpoint) as Pointer(Int64)).value } convert = ->{ midpoint } to -= 1 if excludes_end? satisfied = nil while from <= to midpoint = (from + to)//2 result = yield(cur = convert.call) case result when Int return cur if result == 0 result = result < 0 when Float return cur if result == 0 result = result < 0 when true satisfied = cur when nil, false # nothing to do else raise "wrong argument type #{result.class} (must be numeric, true, false or nil)" end if result to = midpoint - 1 else from = midpoint + 1 end end satisfied end end class Array(T) def bsearch idx=(0...self.size).bsearch{|i|yield self[i]} idx ? self[idx] : nil end def bsearch_index (0...self.size).bsearch{|i|yield self[i]} end end def checkio(data) result=0 se=[] of Tuple(Int64,Int64) data.each{|e| l,r=e right_idx=(0...se.size).bsearch{|i| x={l,0}<=>se[i] x<=0 }||se.size #l <= se[right][0] if right_idx>0 left_idx=right_idx-1 if l<=se[left_idx][1]+1 # overlap with left l=se[left_idx][0] r=[r,se[left_idx][1]].max result-=se[left_idx][1]-se[left_idx][0]+1 se.delete_at(left_idx) right_idx-=1 end end while right_idx<se.size && se[right_idx][0]<=r # overlap with right r=[r,se[right_idx][1]].max result-=se[right_idx][1]-se[right_idx][0]+1 se.delete_at(right_idx) end result+=r-l+1 se.insert(right_idx,{l,r}) } return result end dic={} of Int64 => Array(Tuple(Int64,Int64)) n,d,t=gets.not_nil!.split.map(&.to_i64) gets.not_nil!.split.map(&.to_i64).each{|e| mod=e%d dic[mod]||=[] of Tuple(Int64,Int64) dic[mod]<<{(e-mod)//d-t,(e-mod)//d+t} } r=0_i64 dic.each{|k,v|r+=checkio(v)} puts r