結果

問題 No.182 新規性の虜
ユーザー tutuztutuz
提出日時 2018-10-07 16:59:09
言語 Java21
(openjdk 21)
結果
AC  
実行時間 278 ms / 5,000 ms
コード長 3,082 bytes
コンパイル時間 2,340 ms
コンパイル使用メモリ 87,748 KB
実行使用メモリ 51,944 KB
最終ジャッジ日時 2024-10-12 14:15:01
合計ジャッジ時間 8,212 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
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 62 ms
43,224 KB
testcase_01 AC 60 ms
42,724 KB
testcase_02 AC 61 ms
37,808 KB
testcase_03 AC 61 ms
37,504 KB
testcase_04 AC 63 ms
37,596 KB
testcase_05 AC 61 ms
37,848 KB
testcase_06 AC 58 ms
37,836 KB
testcase_07 AC 59 ms
37,620 KB
testcase_08 AC 234 ms
48,420 KB
testcase_09 AC 278 ms
50,028 KB
testcase_10 AC 273 ms
49,992 KB
testcase_11 AC 260 ms
48,132 KB
testcase_12 AC 172 ms
46,116 KB
testcase_13 AC 60 ms
46,792 KB
testcase_14 AC 61 ms
37,816 KB
testcase_15 AC 60 ms
38,232 KB
testcase_16 AC 60 ms
37,760 KB
testcase_17 AC 58 ms
37,904 KB
testcase_18 AC 198 ms
45,732 KB
testcase_19 AC 191 ms
45,680 KB
testcase_20 AC 157 ms
43,376 KB
testcase_21 AC 216 ms
45,948 KB
testcase_22 AC 174 ms
45,468 KB
testcase_23 AC 58 ms
37,208 KB
testcase_24 AC 251 ms
51,944 KB
testcase_25 AC 192 ms
44,844 KB
testcase_26 AC 133 ms
41,032 KB
testcase_27 AC 60 ms
37,556 KB
evil01.txt AC 294 ms
51,488 KB
evil02.txt AC 284 ms
51,128 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.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.InputMismatchException;
import java.util.Map;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) throws IOException {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		TaskX solver = new TaskX();
		solver.solve(1, in, out);
		out.close();
	}

	static int INF = 1 << 30;
	static long LINF = 1L << 55;
	static int MOD = 1000000007;
	static int[] mh4 = { 0, -1, 1, 0 };
	static int[] mw4 = { -1, 0, 0, 1 };
	static int[] mh8 = { -1, -1, -1, 0, 0, 1, 1, 1 };
	static int[] mw8 = { -1, 0, 1, -1, 1, -1, 0, 1 };

	static class TaskX {

		public void solve(int testNumber, InputReader in, PrintWriter out) {

			int n = in.nextInt();
			Map<Integer, Integer> map = new HashMap<>();
			for (int i = 0; i < n; i++) {
				int a = in.nextInt();
				map.merge(a, 1, Integer::sum);
			}

			int ans = 0;
			for (int key : map.keySet()) {
				if (map.get(key) == 1) ans++;
			}

			out.println(ans);

		}
	}

	static class InputReader {
		BufferedReader in;
		StringTokenizer tok;

		public String nextString() {
			while (!tok.hasMoreTokens()) {
				try {
					tok = new StringTokenizer(in.readLine(), " ");
				} catch (IOException e) {
					throw new InputMismatchException();
				}
			}
			return tok.nextToken();
		}

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

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

		public double nextDouble() {
			return Double.parseDouble(nextString());
		}

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

		public int[] nextIntArrayDec(int n) {
			int[] res = new int[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextInt() - 1;
			}
			return res;
		}

		public int[] nextIntArray1Index(int n) {
			int[] res = new int[n + 1];
			for (int i = 0; i < n; i++) {
				res[i + 1] = nextInt();
			}
			return res;
		}

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

		public long[] nextLongArrayDec(int n) {
			long[] res = new long[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextLong() - 1;
			}
			return res;
		}

		public long[] nextLongArray1Index(int n) {
			long[] res = new long[n + 1];
			for (int i = 0; i < n; i++) {
				res[i + 1] = nextLong();
			}
			return res;
		}

		public double[] nextDoubleArray(int n) {
			double[] res = new double[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextDouble();
			}
			return res;
		}

		public InputReader(InputStream inputStream) {
			in = new BufferedReader(new InputStreamReader(inputStream));
			tok = new StringTokenizer("");
		}
	}

}
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