結果
問題 | No.2353 Guardian Dogs in Spring |
ユーザー | tenten |
提出日時 | 2023-06-19 15:36:29 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 174 ms / 2,000 ms |
コード長 | 2,393 bytes |
コンパイル時間 | 2,816 ms |
コンパイル使用メモリ | 85,272 KB |
実行使用メモリ | 55,436 KB |
最終ジャッジ日時 | 2024-06-27 03:58:35 |
合計ジャッジ時間 | 13,481 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 56 ms
50,328 KB |
testcase_01 | AC | 55 ms
50,592 KB |
testcase_02 | AC | 55 ms
52,244 KB |
testcase_03 | AC | 55 ms
50,472 KB |
testcase_04 | AC | 54 ms
50,416 KB |
testcase_05 | AC | 135 ms
54,532 KB |
testcase_06 | AC | 151 ms
54,676 KB |
testcase_07 | AC | 147 ms
54,740 KB |
testcase_08 | AC | 160 ms
54,712 KB |
testcase_09 | AC | 147 ms
54,496 KB |
testcase_10 | AC | 150 ms
54,856 KB |
testcase_11 | AC | 159 ms
55,220 KB |
testcase_12 | AC | 165 ms
55,000 KB |
testcase_13 | AC | 150 ms
54,524 KB |
testcase_14 | AC | 57 ms
50,308 KB |
testcase_15 | AC | 159 ms
55,116 KB |
testcase_16 | AC | 168 ms
55,436 KB |
testcase_17 | AC | 165 ms
54,928 KB |
testcase_18 | AC | 155 ms
55,060 KB |
testcase_19 | AC | 174 ms
55,224 KB |
testcase_20 | AC | 59 ms
50,636 KB |
testcase_21 | AC | 92 ms
51,564 KB |
testcase_22 | AC | 139 ms
52,708 KB |
testcase_23 | AC | 168 ms
52,936 KB |
testcase_24 | AC | 90 ms
51,536 KB |
testcase_25 | AC | 97 ms
51,468 KB |
testcase_26 | AC | 93 ms
51,128 KB |
testcase_27 | AC | 59 ms
50,624 KB |
testcase_28 | AC | 107 ms
51,824 KB |
testcase_29 | AC | 148 ms
52,928 KB |
testcase_30 | AC | 138 ms
52,228 KB |
testcase_31 | AC | 151 ms
52,788 KB |
testcase_32 | AC | 156 ms
53,044 KB |
testcase_33 | AC | 152 ms
54,432 KB |
testcase_34 | AC | 147 ms
54,812 KB |
testcase_35 | AC | 147 ms
54,884 KB |
testcase_36 | AC | 105 ms
51,720 KB |
testcase_37 | AC | 93 ms
51,468 KB |
testcase_38 | AC | 116 ms
52,308 KB |
testcase_39 | AC | 128 ms
52,320 KB |
testcase_40 | AC | 126 ms
52,384 KB |
testcase_41 | AC | 136 ms
52,300 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { static final int MOD = 998244353; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); Point[] points = new Point[n]; for (int i = 0; i < n; i++) { points[i] = new Point(i + 1, sc.nextInt(), sc.nextInt()); } Arrays.sort(points); System.out.println(n / 2); StringBuilder sb = new StringBuilder(); for (int i = 0; i < n / 2; i++) { sb.append(points[i * 2].idx).append(" ").append(points[i * 2 + 1].idx).append("\n"); } System.out.print(sb); } static class Point implements Comparable<Point> { int idx; int x; int y; public Point(int idx, int x, int y) { this.idx = idx; this.x = x; this.y = y; } public int compareTo(Point another) { if (x == another.x) { return y - another.y; } else { return x - another.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(); } }