結果

問題 No.1170 Never Want to Walk
ユーザー tentententen
提出日時 2023-06-21 11:40:32
言語 Java21
(openjdk 21)
結果
AC  
実行時間 373 ms / 2,000 ms
コード長 3,626 bytes
コンパイル時間 4,126 ms
コンパイル使用メモリ 89,916 KB
実行使用メモリ 66,684 KB
最終ジャッジ日時 2024-06-28 21:17:49
合計ジャッジ時間 10,988 ms
ジャッジサーバーID
(参考情報)
judge4 / judge5
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 47 ms
50,112 KB
testcase_01 AC 47 ms
50,320 KB
testcase_02 AC 48 ms
50,428 KB
testcase_03 AC 48 ms
50,396 KB
testcase_04 AC 48 ms
50,420 KB
testcase_05 AC 49 ms
50,340 KB
testcase_06 AC 48 ms
50,292 KB
testcase_07 AC 47 ms
50,460 KB
testcase_08 AC 48 ms
50,336 KB
testcase_09 AC 48 ms
50,316 KB
testcase_10 AC 48 ms
50,000 KB
testcase_11 AC 48 ms
50,080 KB
testcase_12 AC 53 ms
50,560 KB
testcase_13 AC 55 ms
50,352 KB
testcase_14 AC 56 ms
50,552 KB
testcase_15 AC 54 ms
50,452 KB
testcase_16 AC 56 ms
50,548 KB
testcase_17 AC 57 ms
50,484 KB
testcase_18 AC 55 ms
50,100 KB
testcase_19 AC 56 ms
50,028 KB
testcase_20 AC 55 ms
50,488 KB
testcase_21 AC 59 ms
50,448 KB
testcase_22 AC 55 ms
50,272 KB
testcase_23 AC 60 ms
50,156 KB
testcase_24 AC 56 ms
50,132 KB
testcase_25 AC 56 ms
50,624 KB
testcase_26 AC 54 ms
50,552 KB
testcase_27 AC 358 ms
63,480 KB
testcase_28 AC 345 ms
63,392 KB
testcase_29 AC 345 ms
62,940 KB
testcase_30 AC 353 ms
64,808 KB
testcase_31 AC 351 ms
63,360 KB
testcase_32 AC 366 ms
64,504 KB
testcase_33 AC 370 ms
64,880 KB
testcase_34 AC 362 ms
64,048 KB
testcase_35 AC 363 ms
65,168 KB
testcase_36 AC 373 ms
66,684 KB
testcase_37 AC 343 ms
64,120 KB
testcase_38 AC 363 ms
66,432 KB
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ソースコード

diff #

import java.io.*;
import java.util.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int a = sc.nextInt();
        int b = sc.nextInt();
        int[] points = new int[n];
        for (int i = 0; i < n; i++) {
            points[i] = sc.nextInt();
        }
        int left = 0;
        int right = 0;
        UnionFindTree uft = new UnionFindTree(n);
        int[] imos = new int[n];
        for (int i = 0; i < n; i++) {
            while (left < n && points[left] - points[i] < a) {
                left++;
            }
            if (left >= n) {
                break;
            }
            while (right < n && points[right] - points[i] <= b) {
                right++;
            }
            if (left == right) {
                continue;
            }
            uft.unite(i, left);
            imos[left]++;
            imos[right - 1]--;
        }
        if (imos[0] > 0) {
            uft.unite(0, 1);
        }
        for (int i = 1; i < n; i++) {
            imos[i] += imos[i - 1];
            if (imos[i] > 0) {
                uft.unite(i, i + 1);
            }
        }
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append(uft.getCount(i)).append("\n");
        }
        System.out.print(sb);
    }
    
    static class UnionFindTree {
        int[] parents;
        int[] counts;
        
        public UnionFindTree(int size) {
            parents = new int[size];
            counts = new int[size];
            for (int i = 0; i < size; i++) {
                parents[i] = i;
                counts[i] = 1;
            }
        }
        
        public int find(int x) {
            if (x == parents[x]) {
                return x;
            } else {
                return parents[x] = find(parents[x]);
            }
        }
        
        public boolean same(int x, int y) {
            return find(x) == find(y);
        }
        
        public void unite(int x, int y) {
            int xx = find(x);
            int yy = find(y);
            if (xx != yy) {
                parents[xx] = yy;
                counts[yy] += counts[xx];
            }
        }
        
        public int getCount(int x) {
            return counts[find(x)];
        }
    }
}

class Utilities {
    static String arrayToLineString(Object[] arr) {
        return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
    }
    
    static String arrayToLineString(int[] arr) {
        return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public int[] nextIntArray() throws Exception {
        return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}
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