#242022 (Java21) No.312 置換処理

• 問題: No.312 置換処理
• ユーザー: Tsukasa_Type
• 提出日時: 2018-03-07 12:07:35
• 言語: Java21 (openjdk 21)
• 結果: WA
• 実行時間: -
• コード長: 2,100 bytes
• コンパイル時間: 2,212 ms
• コンパイル使用メモリ: 77,540 KB
• 実行使用メモリ: 52,652 KB
• 最終ジャッジ日時: 2024-10-01 19:41:11
• 合計ジャッジ時間: 6,447 ms
• ジャッジサーバーID （参考情報）: judge5 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	WA	-
testcase_01	WA	-
testcase_02	AC	79 ms; 49,028 KB
testcase_03	WA	-
testcase_04	AC	54 ms; 36,980 KB
testcase_05	WA	-
testcase_06	WA	-
testcase_07	AC	73 ms; 37,580 KB
testcase_08	WA	-
testcase_09	WA	-
testcase_10	WA	-
testcase_11	AC	73 ms; 37,640 KB
testcase_12	WA	-
testcase_13	WA	-
testcase_14	WA	-
testcase_15	WA	-
testcase_16	WA	-
testcase_17	WA	-
testcase_18	WA	-
testcase_19	WA	-
testcase_20	WA	-
testcase_21	WA	-
testcase_22	AC	53 ms; 37,108 KB
testcase_23	AC	52 ms; 36,760 KB
testcase_24	AC	53 ms; 36,816 KB
testcase_25	WA	-
testcase_26	AC	52 ms; 36,492 KB
testcase_27	WA	-
testcase_28	AC	52 ms; 36,644 KB
testcase_29	WA	-
testcase_30	WA	-
testcase_31	AC	60 ms; 36,856 KB
testcase_32	AC	56 ms; 36,712 KB
testcase_33	AC	74 ms; 36,936 KB
testcase_34	AC	66 ms; 36,600 KB
testcase_35	AC	66 ms; 36,600 KB
testcase_36	AC	56 ms; 37,032 KB
testcase_37	WA	-
testcase_38	AC	53 ms; 36,884 KB
testcase_39	WA	-
testcase_40	WA	-
testcase_41	WA	-
testcase_42	WA	-
testcase_43	AC	54 ms; 36,448 KB
testcase_44	AC	53 ms; 36,948 KB

ソースコード

import java.util.*;
import static java.lang.System.*;
import java.io.*;
import java.math.*;

public class Main {
	static FastScanner sc = new FastScanner(System.in);
	public static void main(String[] args) {
		long n = sc.nextLong();
		int i;
		long ans = n;
		for (i=3; i<=Math.sqrt(n); i++) {
			if (n%i==0) {ans = i;}
		}
		out.println(ans);
	}
}



class FastScanner implements Closeable {
	private final InputStream in;
	private final byte[] buffer = new byte[1024];
	private int ptr = 0;
	private int buflen = 0;
	public FastScanner(InputStream in) {this.in = in;}
	private boolean hasNextByte() {
		if (ptr < buflen) {return true;}
		else{
			ptr = 0;
			try {buflen = in.read(buffer);}
			catch (IOException e) {e.printStackTrace();}
			if (buflen <= 0) {return false;}
		}
		return true;
	}
	private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
	private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
	public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
	public String next() {
		if (!hasNext()) throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while(isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	public long nextLong() {
		if (!hasNext()) throw new NoSuchElementException();
		long n = 0;
		boolean minus = false;
		int b = readByte();
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		if (b < '0' || '9' < b) {throw new NumberFormatException();}
		while(true){
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			}else if(b == -1 || !isPrintableChar(b)){return minus ? -n : n;}
			else{throw new NumberFormatException();}
			b = readByte();
		}
	}
	public int nextInt() {
		long nl = nextLong();
		if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
		return (int) nl;
	}
	public double nextDouble() { return Double.parseDouble(next());}
	public void close() {
		try {in.close();}
		catch (IOException e) {}
	}
}