結果
問題 | No.74 貯金箱の退屈 |
ユーザー | eitaho |
提出日時 | 2015-04-17 23:35:42 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 35 ms / 5,000 ms |
コード長 | 4,027 bytes |
コンパイル時間 | 2,530 ms |
コンパイル使用メモリ | 110,208 KB |
実行使用メモリ | 19,328 KB |
最終ジャッジ日時 | 2024-07-04 15:55:01 |
合計ジャッジ時間 | 4,584 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 35 ms
19,072 KB |
testcase_01 | AC | 35 ms
19,200 KB |
testcase_02 | AC | 34 ms
19,328 KB |
testcase_03 | AC | 34 ms
19,072 KB |
testcase_04 | AC | 35 ms
19,200 KB |
testcase_05 | AC | 35 ms
19,072 KB |
testcase_06 | AC | 35 ms
19,200 KB |
testcase_07 | AC | 35 ms
19,072 KB |
testcase_08 | AC | 34 ms
19,072 KB |
testcase_09 | AC | 35 ms
19,072 KB |
testcase_10 | AC | 35 ms
19,200 KB |
testcase_11 | AC | 34 ms
19,072 KB |
testcase_12 | AC | 34 ms
19,072 KB |
testcase_13 | AC | 32 ms
19,200 KB |
testcase_14 | AC | 33 ms
19,072 KB |
testcase_15 | AC | 34 ms
19,072 KB |
testcase_16 | AC | 33 ms
19,200 KB |
testcase_17 | AC | 32 ms
19,072 KB |
testcase_18 | AC | 32 ms
19,072 KB |
testcase_19 | AC | 32 ms
19,072 KB |
testcase_20 | AC | 32 ms
18,816 KB |
testcase_21 | AC | 32 ms
19,072 KB |
testcase_22 | AC | 32 ms
19,072 KB |
testcase_23 | AC | 32 ms
19,072 KB |
testcase_24 | AC | 32 ms
19,072 KB |
testcase_25 | AC | 32 ms
19,200 KB |
testcase_26 | AC | 32 ms
18,944 KB |
testcase_27 | AC | 33 ms
19,200 KB |
testcase_28 | AC | 33 ms
19,072 KB |
testcase_29 | AC | 33 ms
19,072 KB |
testcase_30 | AC | 33 ms
19,072 KB |
testcase_31 | AC | 32 ms
19,200 KB |
testcase_32 | AC | 32 ms
18,944 KB |
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc) Copyright (C) Microsoft Corporation. All rights reserved.
ソースコード
using System; using System.IO; using System.Linq; using System.Text; using System.Collections.Generic; using System.Diagnostics; using System.Numerics; using Enu = System.Linq.Enumerable; using System.Collections; class Program { public void Solve() { int N = Reader.Int(); var A = Reader.IntArray(N); var W = Reader.IntArray(N); bool[] selfLoop = new bool[N]; var uf = new UnionFind(N); for (int i = 0; i < N; i++) { int L = ((i - A[i]) % N + N) % N; int R = (i + A[i]) % N; if (L == R) selfLoop[L] = true; uf.Unite(L, R); } foreach (var c in Enu.Range(0, N).Select(i => uf.Root(i)).Distinct()) { var vs = Enu.Range(0, N).Where(i => uf.Root(i) == c); int need = vs.Count(v => W[v] == 0); if (need % 2 == 1 && !vs.Any(v => selfLoop[v])) { Console.WriteLine("No"); return; } } Console.WriteLine("Yes"); } class UnionFind { private int[] parent; private int[] rank; private int[] numElements; public UnionFind(int N) { parent = new int[N]; rank = new int[N]; numElements = new int[N]; for (int i = 0; i < N; i++) { parent[i] = i; numElements[i] = 1; } } public int Root(int x) { if (parent[x] == x) return x; return parent[x] = Root(parent[x]); } public bool Same(int x, int y) { return Root(x) == Root(y); } public int NumElements(int x) { return numElements[Root(x)]; } public bool Unite(int x, int y) { x = Root(x); y = Root(y); if (x == y) return false; if (rank[x] < rank[y]) { parent[x] = y; numElements[y] += numElements[x]; } else { parent[y] = x; if (rank[x] == rank[y]) { rank[x]++; } numElements[x] += numElements[y]; } return true; } } } class Entry { static void Main() { new Program().Solve(); } } class Reader { private static TextReader reader = Console.In; private static readonly char[] separator = { ' ' }; private static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries; private static string[] A = new string[0]; private static int i; private static void Init() { A = new string[0]; } public static void Set(TextReader r) { reader = r; Init(); } public static void Set(string file) { reader = new StreamReader(file); Init(); } public static bool HasNext() { return CheckNext(); } public static string String() { return Next(); } public static int Int() { return int.Parse(Next()); } public static long Long() { return long.Parse(Next()); } public static double Double() { return double.Parse(Next()); } public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); } public static int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); } public static int[][] IntTable(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); } public static string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); } public static string Line() { return reader.ReadLine().Trim(); } private static string[] Split(string s) { return s.Split(separator, op); } private static string Next() { CheckNext(); return A[i++]; } private static bool CheckNext() { if (i < A.Length) return true; string line = reader.ReadLine(); if (line == null) return false; if (line == "") return CheckNext(); A = Split(line); i = 0; return true; } }