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 00:07:23
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 630 ms / 2,000 ms
コード長 5,312 bytes
コンパイル時間 1,134 ms
コンパイル使用メモリ 117,432 KB
実行使用メモリ 20,096 KB
最終ジャッジ日時 2024-07-20 04:51:51
合計ジャッジ時間 13,336 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge3
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 31 ms
19,584 KB
testcase_01 AC 26 ms
19,712 KB
testcase_02 AC 27 ms
19,712 KB
testcase_03 AC 25 ms
19,968 KB
testcase_04 AC 28 ms
19,840 KB
testcase_05 AC 21 ms
18,048 KB
testcase_06 AC 20 ms
18,048 KB
testcase_07 AC 83 ms
19,968 KB
testcase_08 AC 42 ms
19,712 KB
testcase_09 AC 71 ms
19,840 KB
testcase_10 AC 78 ms
19,840 KB
testcase_11 AC 47 ms
19,840 KB
testcase_12 AC 72 ms
19,968 KB
testcase_13 AC 64 ms
19,968 KB
testcase_14 AC 71 ms
19,840 KB
testcase_15 AC 79 ms
19,840 KB
testcase_16 AC 70 ms
19,840 KB
testcase_17 AC 57 ms
19,840 KB
testcase_18 AC 48 ms
19,968 KB
testcase_19 AC 55 ms
19,840 KB
testcase_20 AC 41 ms
19,840 KB
testcase_21 AC 44 ms
19,840 KB
testcase_22 AC 70 ms
19,968 KB
testcase_23 AC 630 ms
19,840 KB
testcase_24 AC 313 ms
19,968 KB
testcase_25 AC 26 ms
19,712 KB
testcase_26 AC 26 ms
19,840 KB
testcase_27 AC 26 ms
19,968 KB
testcase_28 AC 26 ms
19,968 KB
testcase_29 AC 26 ms
19,840 KB
testcase_30 AC 173 ms
20,096 KB
testcase_31 AC 176 ms
19,968 KB
testcase_32 AC 321 ms
19,840 KB
testcase_33 AC 321 ms
19,968 KB
testcase_34 AC 471 ms
20,096 KB
testcase_35 AC 472 ms
19,840 KB
testcase_36 AC 618 ms
19,840 KB
testcase_37 AC 190 ms
19,840 KB
testcase_38 AC 431 ms
19,968 KB
testcase_39 AC 214 ms
19,840 KB
testcase_40 AC 221 ms
19,712 KB
testcase_41 AC 586 ms
19,840 KB
testcase_42 AC 508 ms
19,968 KB
testcase_43 AC 365 ms
19,712 KB
testcase_44 AC 268 ms
20,096 KB
testcase_45 AC 484 ms
19,840 KB
testcase_46 AC 521 ms
19,968 KB
testcase_47 AC 361 ms
19,968 KB
testcase_48 AC 387 ms
19,968 KB
testcase_49 AC 240 ms
19,840 KB
testcase_50 AC 303 ms
19,968 KB
testcase_51 AC 226 ms
19,968 KB
testcase_52 AC 308 ms
19,968 KB
testcase_53 AC 406 ms
19,968 KB
testcase_54 AC 294 ms
19,968 KB
testcase_55 AC 30 ms
19,840 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.Long(n);
            var k = sc.Long(n);
            var v = m;
            for (int i = 0; i < n; i++)
            {
                v -= a[i] * k[i];
            }
            if (v > 0)
            {
                IO.Printer.Out.WriteLine(-1);
                return;
            }
            v = -v;
            var dp = Enumerate(300000, x => 1L << 55);
            dp[0] = 0;
            foreach (var x in a)
            {
                for (int j = 0; j + x < 300000; j++)
                    dp[j + x] = Math.Min(dp[j + x], dp[j] + 1);
            }
            var ans = 0L;
            if (v >= 300000)
            {
                var t = (v - 300000) / a.Last();
                ans += t;
                v -= t * a.Last();
            }
            while (v >= 300000)
            {
                ans++;
                v -= a.Last();
            }
            ans += dp[v];
            if (ans >= 1L << 55)
                ans = -1;
            IO.Printer.Out.WriteLine(ans);

        }
        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
0