結果

問題 No.561 東京と京都
ユーザー claw88
提出日時 2017-08-25 22:24:44
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 24 ms / 2,000 ms
コード長 2,182 bytes
コンパイル時間 2,156 ms
コンパイル使用メモリ 106,624 KB
実行使用メモリ 19,840 KB
最終ジャッジ日時 2024-10-15 16:25:22
合計ジャッジ時間 2,239 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 4
other AC * 17
権限があれば一括ダウンロードができます
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

diff #
プレゼンテーションモードにする

using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Globalization;
using System.Diagnostics;
using static System.Console;
using Pair = System.Collections.Generic.KeyValuePair<int, int>;
//using System.Numerics;
class Program
{
static void Main()
{
//SetOut(new StreamWriter(OpenStandardOutput()) { AutoFlush = false });
new Program().solve();
Out.Flush();
}
Scanner cin = new Scanner();
Random rnd = new Random();
Stopwatch sw = new Stopwatch();
readonly int[] dd = { 0, 1, 0, -1, 0 };
readonly int mod = 1000000007;
readonly string alfa = "abcdefghijklmnopqrstuvwxyz";
readonly string ALFA = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int N;
void solve()
{
N = cin.nextint;
int D = cin.nextint;
var dp = new int[2];
dp[0] = cin.nextint;
dp[1] = cin.nextint - D;
for (int i = 1; i < N; i++)
{
var t = cin.nextint;
var k = cin.nextint;
int a = Math.Max(dp[0] + t, dp[1] - D + t);
int b = Math.Max(dp[1] + k, dp[0] - D + k);
dp[0] = a;
dp[1] = b;
}
WriteLine(Math.Max(dp[0], dp[1]));
}
}
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); } }
}
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