Submission #1334686
Source Code Expand
using System; using System.IO; using System.Linq; using System.Text; using System.Collections.Generic; using System.Diagnostics; using Enu = System.Linq.Enumerable; public class Program { public void Solve() { int N = Reader.Int(); var A = Reader.IntArray(N); int ans = 1; int sign = 0; for (int i = 1; i < N; i++) { int s = Math.Sign(A[i] - A[i - 1]); if (s != sign && s != 0 && sign != 0) { sign = 0; ans++; } else if (sign == 0) sign = s; } Console.WriteLine(ans); } } class Entry { static void Main() { new Program().Solve(); } } class Reader { static TextReader reader = Console.In; static readonly char[] separator = { ' ' }; static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries; static string[] A = new string[0]; static int i; 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 Range(N, Int); } public static int[][] IntTable(int H) { return Range(H, IntLine); } public static string[] StringArray(int N) { return Range(N, Next); } public static string[][] StringTable(int N) { return Range(N, () => Split(Line())); } public static string Line() { return reader.ReadLine().Trim(); } public static T[] Range<T>(int N, Func<T> f) { var r = new T[N]; for (int i = 0; i < N; r[i++] = f()) ; return r; } static string[] Split(string s) { return s.Split(separator, op); } static string Next() { CheckNext(); return A[i++]; } 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; } }
Submission Info
Submission Time | |
---|---|
Task | A - Sorted Arrays |
User | eitaho |
Language | C# (Mono 4.6.2.0) |
Score | 300 |
Code Size | 2426 Byte |
Status | AC |
Exec Time | 70 ms |
Memory | 22368 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 23 ms | 11220 KB |
sample_02.txt | AC | 21 ms | 11092 KB |
sample_03.txt | AC | 21 ms | 11220 KB |
subtask_1_01.txt | AC | 51 ms | 20576 KB |
subtask_1_02.txt | AC | 44 ms | 15328 KB |
subtask_1_03.txt | AC | 35 ms | 11616 KB |
subtask_1_04.txt | AC | 70 ms | 22368 KB |
subtask_1_05.txt | AC | 69 ms | 22368 KB |
subtask_1_06.txt | AC | 70 ms | 20320 KB |
subtask_1_07.txt | AC | 69 ms | 22368 KB |
subtask_1_08.txt | AC | 68 ms | 20320 KB |
subtask_1_09.txt | AC | 69 ms | 20320 KB |
subtask_1_10.txt | AC | 22 ms | 13140 KB |
subtask_1_11.txt | AC | 22 ms | 11220 KB |