結果

問題 No.288 貯金箱の仕事
ユーザー uwiuwi
提出日時 2015-10-11 21:03:41
言語 Java21
(openjdk 21)
結果
AC  
実行時間 336 ms / 2,000 ms
コード長 3,590 bytes
コンパイル時間 3,358 ms
コンパイル使用メモリ 80,680 KB
実行使用メモリ 39,648 KB
最終ジャッジ日時 2024-07-21 06:53:46
合計ジャッジ時間 11,951 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
(要ログイン)

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 43 ms
36,824 KB
testcase_01 AC 46 ms
37,132 KB
testcase_02 AC 46 ms
36,904 KB
testcase_03 AC 44 ms
36,692 KB
testcase_04 AC 45 ms
36,992 KB
testcase_05 AC 44 ms
36,548 KB
testcase_06 AC 45 ms
36,680 KB
testcase_07 AC 48 ms
36,988 KB
testcase_08 AC 45 ms
37,004 KB
testcase_09 AC 48 ms
36,780 KB
testcase_10 AC 47 ms
37,068 KB
testcase_11 AC 49 ms
36,972 KB
testcase_12 AC 50 ms
37,004 KB
testcase_13 AC 50 ms
36,992 KB
testcase_14 AC 47 ms
37,100 KB
testcase_15 AC 48 ms
36,908 KB
testcase_16 AC 47 ms
36,532 KB
testcase_17 AC 46 ms
37,120 KB
testcase_18 AC 46 ms
36,716 KB
testcase_19 AC 48 ms
36,908 KB
testcase_20 AC 47 ms
36,768 KB
testcase_21 AC 46 ms
36,856 KB
testcase_22 AC 48 ms
37,068 KB
testcase_23 AC 336 ms
39,412 KB
testcase_24 AC 218 ms
39,176 KB
testcase_25 AC 66 ms
38,248 KB
testcase_26 AC 70 ms
38,608 KB
testcase_27 AC 56 ms
38,284 KB
testcase_28 AC 69 ms
38,412 KB
testcase_29 AC 58 ms
38,316 KB
testcase_30 AC 156 ms
39,368 KB
testcase_31 AC 142 ms
39,404 KB
testcase_32 AC 235 ms
39,320 KB
testcase_33 AC 205 ms
39,500 KB
testcase_34 AC 267 ms
39,276 KB
testcase_35 AC 271 ms
39,632 KB
testcase_36 AC 332 ms
39,648 KB
testcase_37 AC 167 ms
39,356 KB
testcase_38 AC 249 ms
39,312 KB
testcase_39 AC 183 ms
39,080 KB
testcase_40 AC 173 ms
39,504 KB
testcase_41 AC 325 ms
39,280 KB
testcase_42 AC 326 ms
39,276 KB
testcase_43 AC 96 ms
38,268 KB
testcase_44 AC 119 ms
38,360 KB
testcase_45 AC 226 ms
39,016 KB
testcase_46 AC 289 ms
39,408 KB
testcase_47 AC 209 ms
38,856 KB
testcase_48 AC 258 ms
39,020 KB
testcase_49 AC 142 ms
38,888 KB
testcase_50 AC 173 ms
38,944 KB
testcase_51 AC 129 ms
38,744 KB
testcase_52 AC 247 ms
39,256 KB
testcase_53 AC 233 ms
39,400 KB
testcase_54 AC 157 ms
38,956 KB
testcase_55 AC 46 ms
37,044 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 contest;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;
import java.util.Random;

public class Q333_2 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		long m = nl();
		int[] a = na(n);
		long[] K = new long[n];
		for(int i= 0;i < n;i++)K[i] = nl();
		long all = 0;
		for(int i = 0;i < n;i++)all += K[i] * a[i];
		if(all < m){
			out.println(-1);
			return;
		}
		out.println(minRepresentation(all-m, a));
	}
	
	long minRepresentation(long x, int[] a)
	{
		Arrays.sort(a);
		int n = a.length;
		int m = a[n-1];
		int lim = (int)Math.min(x, m*m);
		int[] dp = new int[lim+1];
		int I = 999999999;
		Arrays.fill(dp, I);
		dp[0] = 0;
		for(int v : a){
			for(int i = 0;i < v;i++){
				for(int j = i+v;j <= lim;j+=v){
					if(dp[j] > dp[j-v] + 1){
						dp[j] = dp[j-v] + 1;
					}
				}
			}
		}
		if(x <= m*m){
			return dp[(int)x] >= I ? -1 : dp[(int)x];
		}else{
			return dp[(int)(x%m+m*(m-1))] + (x/m-(m-1));
		}
	}
	
	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 Q333_2().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))){ // 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 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)); }
}
0