結果
問題 | No.694 square1001 and Permutation 3 |
ユーザー | claw88 |
提出日時 | 2018-06-08 22:42:45 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,402 bytes |
コンパイル時間 | 1,036 ms |
コンパイル使用メモリ | 112,852 KB |
実行使用メモリ | 47,648 KB |
最終ジャッジ日時 | 2024-06-30 10:52:14 |
合計ジャッジ時間 | 19,620 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | AC | 34 ms
25,212 KB |
testcase_06 | AC | 34 ms
27,296 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 31 ms
25,380 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.Collections.Generic; using System.Linq; using System.IO; //using System.Text; //using System.Text.RegularExpressions; //using System.Globalization; //using System.Diagnostics; using static System.Console; //using System.Numerics; //using static System.Math; //using pair = Pair<int, int>; class Program { static void Main() { //SetOut(new StreamWriter(OpenStandardOutput()) { AutoFlush = false }); new Program().solve(); Out.Flush(); } Scanner cin = new Scanner(); readonly int[] dd = { 0, 1, 0, -1, 0 }; //→↓←↑ readonly int mod = 1000000007; void chmax<T>(ref T a, T b) where T : IComparable<T> { a = a.CompareTo(b) < 0 ? b : a; } void chmin<T>(ref T a, T b) where T : IComparable<T> { a = a.CompareTo(b) < 0 ? a : b; } void solve() { int N = cin.nextint; var A = new int[N]; var D = new int[N]; var ID = new int[N]; for (int i = 0; i < N; i++) { int k = cin.nextint; A[i] = k; D[i] = k; ID[i] = i; } Array.Sort(D, ID); var J = new int[N]; //A_i より大きいものが何個あるか for (int i = 0; i < N; i++) { J[ID[i]] = N - upper_bound(D, D[i]); } //WriteLine(string.Join(" ", J)); var s = merge_count(A); WriteLine(s); for (int i = 0; i < N - 1; i++) { s = s + J[i] - (N - J[i] - 1); WriteLine(s); } } int upper_bound(int[] arr, int val) { int low = 0, high = arr.Count(); int mid; while (low < high) { mid = ((high - low) >> 1) + low; if (arr[mid] <= val) low = mid + 1; else high = mid; } return low; } long merge_count(int[] A) { int n = A.Length; if (n <= 1) return 0; long cnt = 0; var B = A.Take(n / 2).ToArray(); var C = A.Skip(n / 2).ToArray(); cnt += merge_count(B); cnt += merge_count(C); int ai = 0, bi = 0, ci = 0; while (ai < n) { if (bi < B.Length && (ci == C.Length || B[bi] <= C[ci])) { A[ai++] = B[bi++]; } else { cnt += n / 2 - bi; A[ai++] = C[ci++]; } } return cnt; } } class Scanner { string[] s; int i; char[] cs = new char[] { ' ' }; public Scanner() { s = new string[0]; i = 0; } public string[] scan { get { return ReadLine().Split(); } } public int[] scanint { get { return Array.ConvertAll(scan, int.Parse); } } public long[] scanlong { get { return Array.ConvertAll(scan, long.Parse); } } public double[] scandouble { get { return Array.ConvertAll(scan, double.Parse); } } public string next { get { if (i < s.Length) return s[i++]; string st = ReadLine(); while (st == "") st = ReadLine(); s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries); i = 0; return next; } } public int nextint { get { return int.Parse(next); } } public long nextlong { get { return long.Parse(next); } } public double nextdouble { get { return double.Parse(next); } } }