結果

問題 No.150 "良問"(良問とは言っていない
ユーザー t8m8⛄️
提出日時 2015-03-10 18:25:08
言語 Java
(openjdk 23)
結果
AC  
実行時間 95 ms / 5,000 ms
コード長 4,404 bytes
コンパイル時間 4,231 ms
コンパイル使用メモリ 78,964 KB
実行使用メモリ 38,292 KB
最終ジャッジ日時 2024-10-11 01:53:38
合計ジャッジ時間 6,012 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge4
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ファイルパターン 結果
sample AC * 1
other AC * 20
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 # 

//No.150 "良問"(良問とは言っていない

import java.util.*;
import java.io.*;
import static java.util.Arrays.*;
import static java.lang.Math.*;

public class No150 {

    static final InputStream in = System.in;
    static final PrintWriter out = new PrintWriter(System.out,false);

    static void solve(){
        int t = nextInt();
        for (int k=0; k<t; k++) {
            String str = next();
            int len = str.length();
            int[] diffg = new int[len];
            int[] diffp = new int[len];
            for (int i=0; i<len-10; i++)
                diffg[i] = diffgood(str,i);
            for (int i=4; i<len-6; i++)
                diffp[i] = diffproblem(str,i);

            int ans = Integer.MAX_VALUE;
            for (int i=0; i<len-10; i++)
                for (int j=i+4; j<len-6; j++)
                    ans = min(ans,diffg[i] + diffp[j]);
            out.println(ans);
        }
    }
    static char[] good = {'g','o','o','d'};
    static char[] problem = {'p','r','o','b','l','e','m'};

    static int diffgood(String str, int idx) {
        int ret = 0;
        for (int i=0; i<4; i++) {
            if (good[i] != str.charAt(i+idx)) ret++;
        }
        return ret;
    }

    static int diffproblem(String str, int idx) {
        int ret = 0;
        for (int i=0; i<7; i++) {
            if (problem[i] != str.charAt(i+idx)) ret++;
        }
        return ret;
    }

    public static void main(String[] args) throws Exception {
        long start = System.currentTimeMillis();

        solve();
        out.flush();

        long end = System.currentTimeMillis();
        //trace(end-start + "ms");
        in.close();
    }

    static void trace(Object... o) { System.out.println(deepToString(o));}

    static final byte[] buf = new byte[1024];
    static int ptr = 0;
    static int buflen = 0;

    static boolean hasNextByte() {
        if (ptr < buflen)
            return true;
        ptr = 0;
        try{
            buflen = in.read(buf);
        }catch (IOException e) {e.printStackTrace();}
        if (buflen <= 0)
            return false;
        return true;
    }

    static int readByte() { if (hasNextByte()) return buf[ptr++]; else return -1;}

    static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}

    static void skip() { while(hasNextByte() && !isPrintableChar(buf[ptr])) ptr++;}

    static boolean hasNext() {skip(); return hasNextByte();}

    static 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();
    }

    static long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        boolean minus = false;
        long num = readByte();

        if(num == '-'){
            num = 0;
            minus = true;
        }else if (num < '0' || '9' < num){
            throw new NumberFormatException();
        }else{
            num -= '0';
        }
        
        while(true){
            int b = readByte();
            if('0' <= b && b <= '9')
                num = num * 10 + (b - '0');
            else if(b == -1 || !isPrintableChar(b))
                return minus ? -num : num;
            else
                throw new NoSuchElementException();
        }
    }

    static int nextInt() {
        long num = nextLong();
        if (num < Integer.MIN_VALUE || Integer.MAX_VALUE < num)
            throw new NumberFormatException();
        return (int)num;
    }

    static double nextDouble() {
        return Double.parseDouble(next());
    }

    static char nextChar() {
        if (!hasNext()) throw new NoSuchElementException();
        return (char)readByte();
    }

    static String nextLine() {
        while (hasNextByte() && (buf[ptr] == '\n' || buf[ptr] == '\r')) ptr++;
        if (!hasNextByte()) throw new NoSuchElementException();

        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (b != '\n' && b != '\r') {
            sb.appendCodePoint(b);
            b = readByte();
        }

        return sb.toString();
    }

    static int[] nextArrayInt(int n) {
        int[] a = new int[n];
        for (int i=0; i<n; i++) a[i] = nextInt();
        return a;
    }
}
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