結果
問題 | No.938 賢人を探せ |
ユーザー | hiromi_ayase |
提出日時 | 2019-12-01 00:05:56 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 313 ms / 2,000 ms |
コード長 | 3,003 bytes |
コンパイル時間 | 2,983 ms |
コンパイル使用メモリ | 90,924 KB |
実行使用メモリ | 49,852 KB |
最終ジャッジ日時 | 2024-05-08 08:52:53 |
合計ジャッジ時間 | 8,565 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 313 ms
49,852 KB |
testcase_01 | AC | 82 ms
38,188 KB |
testcase_02 | AC | 79 ms
38,216 KB |
testcase_03 | AC | 80 ms
38,368 KB |
testcase_04 | AC | 82 ms
38,016 KB |
testcase_05 | AC | 82 ms
38,336 KB |
testcase_06 | AC | 80 ms
38,320 KB |
testcase_07 | AC | 80 ms
37,936 KB |
testcase_08 | AC | 223 ms
47,560 KB |
testcase_09 | AC | 238 ms
47,840 KB |
testcase_10 | AC | 83 ms
37,936 KB |
testcase_11 | AC | 260 ms
48,128 KB |
testcase_12 | AC | 248 ms
47,748 KB |
testcase_13 | AC | 244 ms
47,680 KB |
testcase_14 | AC | 237 ms
47,824 KB |
testcase_15 | AC | 241 ms
47,596 KB |
testcase_16 | AC | 234 ms
48,040 KB |
testcase_17 | AC | 248 ms
47,780 KB |
testcase_18 | AC | 253 ms
47,888 KB |
testcase_19 | AC | 243 ms
47,740 KB |
testcase_20 | AC | 245 ms
47,548 KB |
testcase_21 | AC | 246 ms
47,096 KB |
testcase_22 | AC | 266 ms
48,268 KB |
ソースコード
import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; public class Main { private static void solve() { int n = ni(); Set<String> all = new HashSet<>(); Set<String> can = new HashSet<>(); List<String> list = new ArrayList<>(); for (int i = 0; i < n; i++) { String a = next(); String b = next(); can.add(a); if (!all.contains(a)) { list.add(a); all.add(a); } if (!all.contains(b)) { list.add(b); all.add(b); } } for (String s : list) { if (!can.contains(s)) { out.println(s); } } } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }