結果
問題 | No.15 カタログショッピング |
ユーザー | むらため |
提出日時 | 2019-01-31 22:47:35 |
言語 | Nim (2.0.2) |
結果 |
AC
|
実行時間 | 24 ms / 5,000 ms |
コード長 | 1,937 bytes |
コンパイル時間 | 3,631 ms |
コンパイル使用メモリ | 82,260 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-01 11:14:46 |
合計ジャッジ時間 | 4,272 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 22 ms
6,944 KB |
testcase_06 | AC | 23 ms
6,940 KB |
testcase_07 | AC | 24 ms
6,944 KB |
testcase_08 | AC | 24 ms
6,940 KB |
testcase_09 | AC | 23 ms
6,940 KB |
コンパイルメッセージ
/home/judge/data/code/Main.nim(4, 1) Warning: template 'stopwatch' is implicitly redefined; this is deprecated, add an explicit .redefine pragma [ImplicitTemplateRedefinition] /home/judge/data/code/Main.nim(1, 27) Warning: imported and not used: 'tables' [UnusedImport] /home/judge/data/code/Main.nim(1, 49) Warning: imported and not used: 'sugar' [UnusedImport]
ソースコード
import sequtils,algorithm,tables,strutils,times,sugar template `^`(n:int) : int = (1 shl n) template stopwatch(body) = (let t1 = cpuTime();body;echo "TIME:",(cpuTime() - t1) * 1000,"ms") template stopwatch(body) = body proc getchar_unlocked():char {. importc:"getchar_unlocked",header: "<stdio.h>" .} proc scan(): int = while true: let k = getchar_unlocked() if k < '0': return result = 10 * result + k.ord - '0'.ord proc cmp(x,y:seq[int]):int = for i in 0..<min(x.len,y.len): if x[i] != y[i] : return x[i] - y[i] return x.len - y.len proc buildWithKey(P:seq[int]) : seq[tuple[k,v:int]] = var answer = newSeq[tuple[k,v:int]](^P.len) proc impl(n,x:int) = if n == P.len : return answer[x or ^n].v = answer[x].v + P[n] answer[x or ^n].k = x or ^n impl(n+1,x) impl(n+1,x or ^n) impl(0,0) return answer proc binaryToIntSeq(n:int):seq[int] = result = @[] for i in 0..64: if (n and ^i) > 0: result &= i + 1 if n < ^(i+1) : return proc build(P:seq[int]) : seq[int] = var answer = newSeq[int](^P.len) proc impl(n,x:int) = # 1つずつ if n == P.len : return answer[x or ^n] = answer[x] + P[n] impl(n+1,x) impl(n+1,x or ^n) impl(0,0) return answer let n = scan() let s = scan() let P = newSeqWith(n,scan()) if n == 1: quit "1",0 let n2 = n div 2 let P1 = P[0..<n2] let P2 = P[n2..<n] stopwatch: let I1 = P1.build() let I2 = P2.buildWithKey().sortedByIt(it.v) stopwatch: var answers = newSeq[int]() for x,i1 in I1: let si = I2.binarySearch(s-i1,proc(K:tuple[k,v:int],V:int):int=K.v-V) if si == -1 : continue answers &= x or (I2[si].k shl n2) for i in (si+1)..<I2.len: if I2[i].v + i1 != s: break answers &= x or (I2[i].k shl n2) for i in (si-1).countdown(0): if I2[i].v + i1 != s: break answers &= x or (I2[i].k shl n2) for ans in answers.map(binaryToIntSeq).sorted(cmp): echo ans.mapIt($it).join(" ")