提出 #773528

---

ソースコード 拡げる

using System.Collections;
using System.Linq;
using System.Collections.Generic;
using System;
using System.Windows;
namespace ABC{
	class ABC{
		class Vector2
		{
		
			public int x;
			public int y;

			 public int GetX(){
				return x;
			}

			public int GetY(){
				return y;
			}

			public Vector2(int a,int b){
				x = a;
				y = b;
			}
		}
	

			


			
			

		static int[] ScanInt(){
			string[] a = Console.ReadLine().Split(' ');
			int[] b =  new int[a.Length];
			int j = 0;
			foreach(string z in a){
				b[j] = int.Parse(z);
				j++;
			
			}
					return b;
		}
	
		static char[] ScanChar(){
			string a = Console.ReadLine();
			char[] b = a.ToCharArray();
		
			return b;		
		}


		static void Main(string[] args){


			int x = int.Parse (Console.ReadLine());
			int[] a = ScanInt ();
			int ans = 0;

			int v = 0;
			while (true) {
				if(v >= x-1)
					break;
				if(v+1 == x-1)
				{
					ans += Math.Abs(a[v] - a[v+1]);
					v++;
					break;
				}
				if(v+3 == x-1){

					if((a[v] < a[v+1] && a[v+1] > a[v+2]) || (a[v] > a[v+1] && a[v+1] < a[v+2])){
						if(Math.Abs(a[v+2]-a[v+3])+Math.Abs(a[v] - a[v+2]) > Math.Abs(a[v]-a[v+1])+Math.Abs(a[v+1] - a[v+3])){
							ans += Math.Abs(a[v]-a[v+1])+Math.Abs(a[v+1] - a[v+3]);
						v+=3;
					}
					else{
						ans += Math.Abs(a[v] - a[v+2]);
					v += 2;
						}
					}
					else
					{
						ans += Math.Abs(a[v] - a[v+1]);
						v++;
					}
					continue;
				}
				else if((a[v] < a[v+1] && a[v+1] > a[v+2]) || (a[v] > a[v+1] && a[v+1] < a[v+2])){
					ans += Math.Abs(a[v] - a[v+2]);
						v += 2;
				}
				else{
					ans += Math.Abs(a[v] - a[v+1]);
					v++;
				}
			}
			Console.WriteLine (ans);

 		}
	
	}
}

提出情報

ジャッジ結果