結果

問題 No.472 平均順位
ユーザー yuya178yuya178
提出日時 2017-12-22 22:45:02
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 4,120 bytes
コンパイル時間 2,522 ms
コンパイル使用メモリ 82,884 KB
実行使用メモリ 52,384 KB
最終ジャッジ日時 2024-05-10 03:08:05
合計ジャッジ時間 6,913 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
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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 55 ms
37,104 KB
testcase_01 AC 55 ms
36,504 KB
testcase_02 AC 54 ms
36,704 KB
testcase_03 AC 54 ms
36,748 KB
testcase_04 AC 60 ms
37,232 KB
testcase_05 AC 54 ms
36,748 KB
testcase_06 AC 56 ms
37,020 KB
testcase_07 AC 60 ms
37,304 KB
testcase_08 AC 90 ms
37,748 KB
testcase_09 AC 112 ms
39,064 KB
testcase_10 AC 117 ms
39,080 KB
testcase_11 AC 150 ms
39,276 KB
testcase_12 AC 136 ms
39,020 KB
testcase_13 AC 392 ms
39,440 KB
testcase_14 AC 399 ms
39,252 KB
testcase_15 AC 396 ms
39,444 KB
testcase_16 AC 400 ms
39,380 KB
testcase_17 AC 397 ms
39,428 KB
testcase_18 WA -
testcase_19 AC 368 ms
39,304 KB
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ソースコード

diff # 

import java.io.*;
import java.util.*;
import java.math.*;
// import java.awt.Point;
 
public class Main {
    InputStream is;
    PrintWriter out;
    String INPUT = "";
 
    long MOD = 201712111;
    long inf = Long.MAX_VALUE;

    void solve()
    {
        int n = ni();
        int p = ni();
        int[][] a = new int[n][4];
        for(int i = 0; i < n; i++){
            a[i][0] = ni();
            a[i][1] = ni();
            a[i][2] = ni();
            a[i][3] = 1;
        }
        long[] dp = new long[3*n+1];
        long[] ndp = new long[3*n+1];
        for(int i = 0; i < n; i++){
            for(int j = 0; j <= 3*(i+1); j++){
                long res1 = Math.min(dp[j]+a[i][0], j>0?dp[j-1]+a[i][1]:inf);
                long res2 = Math.min(j>1?dp[j-2]+a[i][2]:inf, j>2?dp[j-3]+a[i][3]:inf);
                ndp[j] = Math.min(res1,res2);
            }
            for(int j = 0; j <= 3*(i+1); j++){
                dp[j] = ndp[j];
                ndp[j] = 0;
            }
        }
        out.println((double)dp[p]/n);

       

    }   
    
    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");
    }
    
    public static void main(String[] args) throws Exception { new Main().run(); }
    
    private byte[] inbuf = new byte[1024];
    private 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) && 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 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[] na(int n)
    {
        int[] a = new int[n];
        for(int i = 0;i < n;i++)a[i] = ni();
        return a;
    }
    
    private int ni()
    {
        int num = 0, 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 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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