結果
問題 | No.1072 A Nice XOR Pair |
ユーザー | dot_haraai |
提出日時 | 2021-03-28 19:58:59 |
言語 | Nim (2.0.2) |
結果 |
AC
|
実行時間 | 211 ms / 2,000 ms |
コード長 | 946 bytes |
コンパイル時間 | 4,283 ms |
コンパイル使用メモリ | 89,492 KB |
実行使用メモリ | 40,044 KB |
最終ジャッジ日時 | 2024-05-06 22:53:09 |
合計ジャッジ時間 | 5,968 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 1 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 3 ms
6,940 KB |
testcase_07 | AC | 211 ms
40,044 KB |
testcase_08 | AC | 97 ms
6,944 KB |
testcase_09 | AC | 97 ms
6,944 KB |
testcase_10 | AC | 108 ms
6,940 KB |
testcase_11 | AC | 146 ms
13,264 KB |
testcase_12 | AC | 203 ms
40,040 KB |
コンパイルメッセージ
/home/judge/data/code/Main.nim(2, 18) Warning: Use the new 'sugar' module instead; future is deprecated [Deprecated] /home/judge/data/code/Main.nim(1, 8) Warning: imported and not used: 'times' [UnusedImport] /home/judge/data/code/Main.nim(2, 26) Warning: imported and not used: 'strformat' [UnusedImport] /home/judge/data/code/Main.nim(1, 25) Warning: imported and not used: 'sequtils' [UnusedImport] /home/judge/data/code/Main.nim(2, 37) Warning: imported and not used: 'deques' [UnusedImport] /home/judge/data/code/Main.nim(1, 41) Warning: imported and not used: 'algorithm' [UnusedImport] /home/judge/data/code/Main.nim(2, 18) Warning: imported and not used: 'future' [UnusedImport] /home/judge/data/code/Main.nim(2, 8) Warning: imported and not used: 'critbits' [UnusedImport] /home/judge/data/code/Main.nim(1, 66) Warning: imported and not used: 'lists' [UnusedImport] /home/judge/data/code/Main.nim(1, 73) Warning: imported and not used: 'intsets' [UnusedImport]
ソースコード
import times, strutils, sequtils, math, algorithm, tables, sets, lists, intsets import critbits, future, strformat, deques template `max=`(x,y) = x = max(x,y) template `min=`(x,y) = x = min(x,y) template `mod=`(x,y) = x = x mod y template scan2 = (scan(), scan()) template scan3 = (scan(), scan()) let read* = iterator: string {.closure.} = while true: (for s in stdin.readLine.split: yield s) proc scan(): int = read().parseInt proc scanf(): float = read().parseFloat proc toInt(c:char): int = return int(c) - int('0') proc solve():int= var n = scan() x = scan() d = initTable[int,int]() vals = initHashSet[int]() for i in 0..<n: var v = scan() vals.incl(v) if d.hasKeyOrPut(v,1): d[v]+=1 for v in vals: if d.hasKey(v) and d.hasKey(x xor v): if v == (x xor v): result+=d[v]*(d[v]-1) else: result+=d[v]*d[x xor v] result = result.div(2) echo solve()