#52123 (Java21) No.279 木の数え上げ

• 問題: No.279 木の数え上げ
• ユーザー: threepipes_s
• 提出日時: 2015-10-06 13:27:48
• 言語: Java21 (openjdk 21)
• 結果: AC
• 実行時間: 165 ms / 2,000 ms
• コード長: 1,577 bytes
• コンパイル時間: 2,170 ms
• コンパイル使用メモリ: 78,492 KB
• 実行使用メモリ: 54,472 KB
• 最終ジャッジ日時: 2024-10-14 15:15:33
• 合計ジャッジ時間: 5,084 ms
• ジャッジサーバーID （参考情報）: judge3 / judge5

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	55 ms; 50,292 KB
testcase_01	AC	56 ms; 50,280 KB
testcase_02	AC	55 ms; 49,872 KB
testcase_03	AC	56 ms; 50,108 KB
testcase_04	AC	56 ms; 50,284 KB
testcase_05	AC	56 ms; 49,984 KB
testcase_06	AC	55 ms; 49,884 KB
testcase_07	AC	55 ms; 50,100 KB
testcase_08	AC	58 ms; 50,124 KB
testcase_09	AC	56 ms; 50,172 KB
testcase_10	AC	155 ms; 54,100 KB
testcase_11	AC	100 ms; 51,428 KB
testcase_12	AC	136 ms; 53,952 KB
testcase_13	AC	92 ms; 51,284 KB
testcase_14	AC	160 ms; 54,240 KB
testcase_15	AC	144 ms; 54,120 KB
testcase_16	AC	145 ms; 54,256 KB
testcase_17	AC	150 ms; 53,836 KB
testcase_18	AC	121 ms; 53,496 KB
testcase_19	AC	151 ms; 54,080 KB
testcase_20	AC	165 ms; 54,472 KB

ソースコード

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main{
	public static void main(String[] args){
		try {
			(new Solve()).solve();
		} catch (NumberFormatException | IOException e) {
			e.printStackTrace();
		}
	}
}

class Solve{
	void solve() throws NumberFormatException, IOException{
		final ContestScanner in = new ContestScanner();
		char[] s = in.nextToken().toCharArray();
		int[] alp = new int[26];
		for(int i=0; i<s.length; i++){
			alp[s[i]-'a']++;
		}
		System.out.println(Math.min(alp['r'-'a'], Math.min(alp['t'-'a'], alp['e'-'a']/2)));
	}
}

class ContestScanner {
	private BufferedReader reader;
	private String[] line;
	private int idx;

	public ContestScanner() throws FileNotFoundException {
		reader = new BufferedReader(new InputStreamReader(System.in));
	}

	public ContestScanner(String filename) throws FileNotFoundException {
		reader = new BufferedReader(new InputStreamReader(new FileInputStream(
				filename)));
	}

	public String nextToken() throws IOException {
		if (line == null || line.length <= idx) {
			line = reader.readLine().trim().split(" ");
			idx = 0;
		}
		return line[idx++];
	}

	public long nextLong() throws IOException, NumberFormatException {
		return Long.parseLong(nextToken());
	}

	public int nextInt() throws NumberFormatException, IOException {
		return (int) nextLong();
	}

	public double nextDouble() throws NumberFormatException, IOException {
		return Double.parseDouble(nextToken());
	}
}