結果

問題 No.288 貯金箱の仕事
ユーザー 紙ぺーぱー紙ぺーぱー
提出日時 2015-10-10 15:49:41
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 678 ms / 2,000 ms
コード長 5,297 bytes
コンパイル時間 2,549 ms
コンパイル使用メモリ 111,336 KB
実行使用メモリ 24,796 KB
最終ジャッジ日時 2023-09-28 11:33:39
合計ジャッジ時間 17,897 ms
ジャッジサーバーID
（参考情報） 		judge13 / judge12
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 58 ms
20,936 KB
testcase_01 AC 53 ms
20,736 KB
testcase_02 AC 55 ms
18,796 KB
testcase_03 AC 52 ms
21,040 KB
testcase_04 AC 54 ms
20,752 KB
testcase_05 AC 50 ms
22,448 KB
testcase_06 AC 50 ms
20,504 KB
testcase_07 AC 118 ms
20,752 KB
testcase_08 AC 71 ms
20,756 KB
testcase_09 AC 103 ms
22,800 KB
testcase_10 AC 108 ms
18,700 KB
testcase_11 AC 75 ms
20,836 KB
testcase_12 AC 101 ms
20,756 KB
testcase_13 AC 92 ms
22,808 KB
testcase_14 AC 100 ms
22,796 KB
testcase_15 AC 112 ms
22,800 KB
testcase_16 AC 104 ms
20,860 KB
testcase_17 AC 89 ms
22,912 KB
testcase_18 AC 78 ms
20,808 KB
testcase_19 AC 85 ms
22,964 KB
testcase_20 AC 74 ms
22,872 KB
testcase_21 AC 75 ms
20,848 KB
testcase_22 AC 103 ms
22,748 KB
testcase_23 AC 678 ms
22,796 KB
testcase_24 AC 316 ms
20,864 KB
testcase_25 AC 53 ms
22,876 KB
testcase_26 AC 54 ms
20,772 KB
testcase_27 AC 53 ms
18,884 KB
testcase_28 AC 53 ms
20,836 KB
testcase_29 AC 53 ms
20,852 KB
testcase_30 AC 220 ms
24,796 KB
testcase_31 AC 218 ms
18,708 KB
testcase_32 AC 379 ms
21,032 KB
testcase_33 AC 382 ms
20,840 KB
testcase_34 AC 534 ms
20,872 KB
testcase_35 AC 535 ms
20,804 KB
testcase_36 AC 676 ms
22,892 KB
testcase_37 AC 232 ms
22,792 KB
testcase_38 AC 486 ms
20,792 KB
testcase_39 AC 265 ms
20,752 KB
testcase_40 AC 268 ms
22,880 KB
testcase_41 AC 648 ms
20,708 KB
testcase_42 AC 571 ms
20,828 KB
testcase_43 AC 431 ms
22,800 KB
testcase_44 AC 317 ms
22,796 KB
testcase_45 AC 540 ms
22,812 KB
testcase_46 AC 583 ms
20,844 KB
testcase_47 AC 408 ms
20,880 KB
testcase_48 AC 441 ms
18,884 KB
testcase_49 AC 289 ms
20,856 KB
testcase_50 AC 360 ms
20,784 KB
testcase_51 AC 275 ms
20,884 KB
testcase_52 AC 368 ms
22,888 KB
testcase_53 AC 464 ms
20,756 KB
testcase_54 AC 337 ms
20,836 KB
testcase_55 AC 55 ms
22,788 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc)
Copyright (C) Microsoft Corporation. All rights reserved.

ソースコード

diff # 

using System;
using System.Linq;
using System.Diagnostics;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
using System.Numerics;

namespace Program
{

    public class Solver
    {
        public void Solve()
        {
            var n = sc.Integer();
            var m = sc.Long();
            var a = sc.Integer(n);
            var k = sc.Long(n);
            var sum = 0L;
            for (int i = 0; i < n; i++)
                sum += a[i] * k[i];
            if (sum < m)
            {
                IO.Printer.Out.WriteLine(-1); return;
            }
            m = sum - m;
            var dp = new int[515 * 515];
            dp[0] = -1000000000;
            foreach (var x in a)
            {
                for (int j = 0; j + x < 515 * 515; j++)
                    if (dp[j + x] > dp[j] + 1) dp[j + x] = dp[j] + 1;
            }
            long ans = 0;
            if (m >= 515 * 515)
            {
                var t = m / a[n - 1];
                ans += t; m -= t * a[n - 1];
                var rem = 515 * 515 - m;
                t = rem / a[n - 1];
                ans -= t;
                m += t * a[n - 1];
            }
            if (dp[m] >= 0)
                IO.Printer.Out.WriteLine(-1);
            else IO.Printer.Out.WriteLine(ans + dp[m] - dp[0]);
        }
        public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());
        static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(i); return a; }
        static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }
    }
}

#region main
static class Ex
{
    static public string AsString(this IEnumerable<char> ie) { return new string(System.Linq.Enumerable.ToArray(ie)); }
    static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); }
    static public void Main()
    {
        var solver = new Program.Solver();
        solver.Solve();
        Program.IO.Printer.Out.Flush();
    }
}
#endregion
#region Ex
namespace Program.IO
{
    using System.IO;
    using System.Text;
    using System.Globalization;
    public class Printer : StreamWriter
    {
        static Printer() { Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false }; }
        public static Printer Out { get; set; }
        public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } }
        public Printer(System.IO.Stream stream) : base(stream, new UTF8Encoding(false, true)) { }
        public Printer(System.IO.Stream stream, Encoding encoding) : base(stream, encoding) { }
        public void Write<T>(string format, T[] source) { base.Write(format, source.OfType<object>().ToArray()); }
        public void WriteLine<T>(string format, T[] source) { base.WriteLine(format, source.OfType<object>().ToArray()); }
    }
    public class StreamScanner
    {
        public StreamScanner(Stream stream) { str = stream; }
        public readonly Stream str;
        private readonly byte[] buf = new byte[1024];
        private int len, ptr;
        public bool isEof = false;
        public bool IsEndOfStream { get { return isEof; } }
        private byte read()
        {
            if (isEof) return 0;
            if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } }
            return buf[ptr++];
        }
        public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; }

        public string Scan()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
                sb.Append(b);
            return sb.ToString();
        }
        public string ScanLine()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b != '\n'; b = (char)read())
                if (b == 0) break;
                else if (b != '\r') sb.Append(b);
            return sb.ToString();
        }
        public long Long()
        {
            if (isEof) return long.MinValue;
            long ret = 0; byte b = 0; var ng = false;
            do b = read();
            while (b != '-' && (b < '0' || '9' < b));
            if (b == '-') { ng = true; b = read(); }
            for (; true; b = read())
            {
                if (b < '0' || '9' < b)
                    return ng ? -ret : ret;
                else ret = ret * 10 + b - '0';
            }
        }
        public int Integer() { return (isEof) ? int.MinValue : (int)Long(); }
        public double Double() { return double.Parse(Scan(), CultureInfo.InvariantCulture); }
        private T[] enumerate<T>(int n, Func<T> f)
        {
            var a = new T[n];
            for (int i = 0; i < n; ++i) a[i] = f();
            return a;
        }

        public char[] Char(int n) { return enumerate(n, Char); }
        public string[] Scan(int n) { return enumerate(n, Scan); }
        public double[] Double(int n) { return enumerate(n, Double); }
        public int[] Integer(int n) { return enumerate(n, Integer); }
        public long[] Long(int n) { return enumerate(n, Long); }
    }
}
#endregion
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