結果

問題 No.1150 シュークリームゲーム(Easy)
ユーザー shojin_proshojin_pro
提出日時 2020-08-07 22:47:19
言語 Java21
(openjdk 21)
結果
AC  
実行時間 246 ms / 2,000 ms
コード長 3,540 bytes
コンパイル時間 2,649 ms
コンパイル使用メモリ 80,236 KB
実行使用メモリ 58,408 KB
最終ジャッジ日時 2024-09-24 23:06:17
合計ジャッジ時間 10,429 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
(要ログイン)

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 52 ms
50,012 KB
testcase_01 AC 50 ms
50,464 KB
testcase_02 AC 51 ms
50,124 KB
testcase_03 AC 51 ms
50,332 KB
testcase_04 AC 53 ms
50,368 KB
testcase_05 AC 52 ms
50,396 KB
testcase_06 AC 52 ms
50,448 KB
testcase_07 AC 54 ms
50,240 KB
testcase_08 AC 53 ms
50,632 KB
testcase_09 AC 52 ms
50,552 KB
testcase_10 AC 52 ms
52,396 KB
testcase_11 AC 51 ms
50,236 KB
testcase_12 AC 52 ms
50,548 KB
testcase_13 AC 52 ms
50,244 KB
testcase_14 AC 52 ms
49,900 KB
testcase_15 AC 54 ms
50,412 KB
testcase_16 AC 52 ms
50,524 KB
testcase_17 AC 54 ms
50,484 KB
testcase_18 AC 55 ms
50,420 KB
testcase_19 AC 52 ms
50,056 KB
testcase_20 AC 54 ms
50,500 KB
testcase_21 AC 56 ms
50,144 KB
testcase_22 AC 212 ms
55,728 KB
testcase_23 AC 204 ms
58,000 KB
testcase_24 AC 208 ms
55,604 KB
testcase_25 AC 200 ms
55,800 KB
testcase_26 AC 216 ms
58,000 KB
testcase_27 AC 241 ms
58,108 KB
testcase_28 AC 246 ms
58,252 KB
testcase_29 AC 220 ms
55,772 KB
testcase_30 AC 213 ms
57,964 KB
testcase_31 AC 209 ms
55,804 KB
testcase_32 AC 212 ms
55,964 KB
testcase_33 AC 204 ms
57,780 KB
testcase_34 AC 211 ms
57,928 KB
testcase_35 AC 219 ms
58,408 KB
testcase_36 AC 220 ms
58,308 KB
testcase_37 AC 222 ms
58,304 KB
testcase_38 AC 204 ms
55,856 KB
testcase_39 AC 203 ms
55,732 KB
testcase_40 AC 214 ms
57,876 KB
testcase_41 AC 241 ms
58,232 KB
testcase_42 AC 193 ms
55,824 KB
testcase_43 AC 204 ms
55,408 KB
testcase_44 AC 246 ms
57,536 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import java.util.*;
import java.io.*;
 
public class Main {
    public static void main(String[] args) throws Exception {
        FastScanner sc = new FastScanner(System.in);
        PrintWriter pw = new PrintWriter(System.out);
        int n = sc.nextInt();
        int s = sc.nextInt()-1;
        int t = sc.nextInt()-1;
        long[] a = sc.nextLongArray(n);
        long total = 0;
        for(long v : a){
            total += v;
        }
        ArrayList<Long> arr = new ArrayList<>();
        int xcnt = n/2+n%2;
        for(int i = -xcnt+1; i < xcnt; i++){
            int now = s+i;
            if(now < 0){
                now += n;
            }else if(now >= n){
                now -= n;
            }
            if(Math.abs(i) > Math.min(Math.abs(now-t),Math.min(Math.abs(now-(n+t)),Math.abs((n+now)-t)))){
                continue;
            }else{
                arr.add(a[now]);
            }
        }
        long nowx = 0;
        for(int i = 0; i < xcnt; i++){
            nowx += arr.get(i);
        }
        long ans = nowx;
        int p = 0;
        int ne = xcnt;
        int len = arr.size();
        while(ne < len){
            nowx += (arr.get(ne)-arr.get(p));
            p++;
            ne++;
            ans = Math.max(ans,nowx);
        }
        long y = total-ans;
        pw.println(ans-y);
        pw.flush();
    }

    static class GeekInteger {
        public static void save_sort(int[] array) {
            shuffle(array);
            Arrays.sort(array);
        }
 
        public static int[] shuffle(int[] array) {
            int n = array.length;
            Random random = new Random();
            for (int i = 0, j; i < n; i++) {
                j = i + random.nextInt(n - i);
                int randomElement = array[j];
                array[j] = array[i];
                array[i] = randomElement;
            }
            return array;
        }
 
    }
}

class FastScanner {
    private BufferedReader reader = null;
    private StringTokenizer tokenizer = null;
    public FastScanner(InputStream in) {
        reader = new BufferedReader(new InputStreamReader(in));
        tokenizer = null;
    }

    public String next() {
        if (tokenizer == null || !tokenizer.hasMoreTokens()) {
            try {
                tokenizer = new StringTokenizer(reader.readLine());
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return tokenizer.nextToken();
    }

    public String nextLine() {
        if (tokenizer == null || !tokenizer.hasMoreTokens()) {
            try {
                return reader.readLine();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return tokenizer.nextToken("\n");
    }

    public long nextLong() {
        return Long.parseLong(next());
    }

    public int nextInt() {
        return Integer.parseInt(next());
    }

    public double nextDouble() {
         return Double.parseDouble(next());
    }
    
    public String[] nextArray(int n) {
        String[] a = new String[n];
        for (int i = 0; i < n; i++)
            a[i] = next();
        return a;
    }

    public int[] nextIntArray(int n) {
        int[] a = new int[n];
        for (int i = 0; i < n; i++)
            a[i] = nextInt();
        return a;
    }

    public long[] nextLongArray(int n) {
        long[] a = new long[n];
        for (int i = 0; i < n; i++)
            a[i] = nextLong();
        return a;
    } 
}
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