結果

問題 No.996 Phnom Penh
ユーザー uwiuwi
提出日時 2020-02-21 22:01:34
言語 Java21
(openjdk 21)
結果
AC  
実行時間 190 ms / 2,000 ms
コード長 5,512 bytes
コンパイル時間 6,734 ms
コンパイル使用メモリ 77,844 KB
実行使用メモリ 57,912 KB
最終ジャッジ日時 2023-07-30 05:50:24
合計ジャッジ時間 9,881 ms
ジャッジサーバーID
(参考情報)
judge5 / judge12
このコードへのチャレンジ(β)

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 44 ms
49,360 KB
testcase_01 AC 43 ms
49,200 KB
testcase_02 AC 44 ms
49,208 KB
testcase_03 AC 48 ms
49,408 KB
testcase_04 AC 47 ms
49,276 KB
testcase_05 AC 53 ms
49,500 KB
testcase_06 AC 45 ms
49,216 KB
testcase_07 AC 48 ms
49,180 KB
testcase_08 AC 53 ms
50,304 KB
testcase_09 AC 52 ms
49,472 KB
testcase_10 AC 45 ms
49,220 KB
testcase_11 AC 48 ms
49,432 KB
testcase_12 AC 46 ms
49,212 KB
testcase_13 AC 188 ms
56,128 KB
testcase_14 AC 182 ms
56,196 KB
testcase_15 AC 186 ms
55,652 KB
testcase_16 AC 180 ms
55,940 KB
testcase_17 AC 190 ms
57,912 KB
testcase_18 AC 45 ms
49,164 KB
testcase_19 AC 44 ms
49,144 KB
testcase_20 AC 44 ms
49,212 KB
testcase_21 AC 42 ms
49,336 KB
testcase_22 AC 43 ms
49,208 KB
testcase_23 AC 43 ms
49,472 KB
testcase_24 AC 183 ms
55,948 KB
testcase_25 AC 176 ms
55,740 KB
testcase_26 AC 161 ms
56,204 KB
testcase_27 AC 176 ms
55,940 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 #

package contest200221;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.InputMismatchException;
import java.util.List;

public class D {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		String S = ns();
		long ans = 0;
		{
			int n = S.length();
			StringBuilder sb = new StringBuilder();
			for(int i = 0;i < n;i++) {
				if(S.charAt(i) == 'h')continue;
				if(S.charAt(i) == 'e') {
					sb.append("h");
					continue;
				}
				if(i+5 <= n && S.substring(i, i+5).equals("phnom")) {
					sb.append("phn");
					ans++;
					i += 4;
				}else {
					sb.append(S.charAt(i));
				}
			}
			String S1 = sb.toString();
			if(S.equals(S1)) {
				out.println(ans);
				return;
			}
			ans++;
			S = S1;
		}
		{
			int n = S.length();
			StringBuilder sb = new StringBuilder();
			for(int i = 0;i < n;i++) {
				if(S.charAt(i) == 'h')continue;
				if(S.charAt(i) == 'e') {
					sb.append("h");
					continue;
				}
				if(i+5 <= n && S.substring(i, i+5).equals("phnom")) {
					sb.append("phn");
					ans++;
					i += 4;
				}else {
					sb.append(S.charAt(i));
				}
			}
			String S1 = sb.toString();
			if(S.equals(S1)) {
				out.println(ans);
				return;
			}
			ans++;
			S = S1;
		}
		
		char[] s = S.toCharArray();
		int st = 0;
		int n = s.length;
		List<Integer> oms = new ArrayList<>();
		int om = -1;
		for(int i = 0;i < n;i++) {
			if(s[i] == 'p') {
				if(om >= 0) {
					oms.add(om);
					om = -1;
				}
				st = 1;
			}else if(st == 1 && s[i] == 'h') {
				st = 2;
			}else if(st == 2 && s[i] == 'n') {
				if(om == -1)om = 0;
				st = 3;
			}else if(st == 3 && s[i] == 'o') {
				st = 4;
			}else if(st == 4 && s[i] == 'm') {
				om++;
				st = 3;
			}else {
				if(om >= 0) {
					oms.add(om);
					om = -1;
				}
				st = 0;
			}
		}
		if(om >= 0) {
			oms.add(om);
			om = -1;
		}
		List<Integer> oms2 = new ArrayList<>();
		st = 0;
		om = -1;
		for(int i = 0;i < n;i++) {
			if(s[i] == 'p') {
				if(om >= 0) {
					oms2.add(om);
					om = -1;
				}
				st = 1;
			}else if(st == 1 && s[i] == 'e') {
				st = 2;
			}else if(st == 2 && s[i] == 'n') {
				st = 3;
			}else if(st == 3 && s[i] == 'h') {
				if(om == -1)om = 0;
				st = 4;
			}else if(st == 4 && s[i] == 'o') {
				st = 5;
			}else if(st == 5 && s[i] == 'm') {
				om++;
				st = 4;
			}else {
				if(om >= 0) {
					oms2.add(om);
					om = -1;
				}
				st = 0;
			}
		}
		if(om >= 0) {
			oms2.add(om);
			om = -1;
		}
//		tr(oms, oms2);
		for(int v : oms)ans += v;
		for(int v : oms2)ans += v;
		int max = 0;
		for(int v : oms) {
			max = Math.max(max, v+1);
		}
		for(int v : oms2) {
			max = Math.max(max, v+2);
		}
		ans += max;
		out.println(ans);
	}
	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
//			@Override
//			public void run() {
//				long s = System.currentTimeMillis();
//				solve();
//				out.flush();
//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//			}
//		};
//		t.start();
//		t.join();
	}
	
	public static void main(String[] args) throws Exception { new D().run(); }
	
	private byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
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