結果
| 問題 | No.3329 Only the Rightest Choice is Right!!! |
| コンテスト | |
| ユーザー |
aketijyuuzou
|
| 提出日時 | 2025-12-13 10:49:35 |
| 言語 | C# (.NET 8.0.404) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 5,030 bytes |
| 記録 | |
| コンパイル時間 | 8,742 ms |
| コンパイル使用メモリ | 168,392 KB |
| 実行使用メモリ | 58,076 KB |
| 最終ジャッジ日時 | 2025-12-13 10:50:59 |
| 合計ジャッジ時間 | 84,060 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 18 WA * 36 TLE * 20 |
コンパイルメッセージ
復元対象のプロジェクトを決定しています... /home/judge/data/code/main.csproj を復元しました (119 ミリ秒)。 main -> /home/judge/data/code/bin/Release/net8.0/main.dll main -> /home/judge/data/code/bin/Release/net8.0/publish/
ソースコード
using System;
using System.Collections.Generic;
using System.Linq;
// No.3329 Only the Rightest Choice is Right!!!
// https://yukicoder.me/problems/no/3329
class Program
{
static string InputPattern = "InputX";
static List<string> GetInputList()
{
var WillReturn = new List<string>();
if (InputPattern == "Input1") {
WillReturn.Add("4 5");
WillReturn.Add("1 4 2 3");
WillReturn.Add("1 4 2 3");
//2
//3 4
}
else if (InputPattern == "Input2") {
WillReturn.Add("6 3000");
WillReturn.Add("1 1 1 1 1 1");
WillReturn.Add("3000 3000 3000 3000 3000 3000");
//1
//6
}
else if (InputPattern == "Input3") {
WillReturn.Add("10 3000");
WillReturn.Add("2992 3000 1 1 1 1 1 1 1 1");
WillReturn.Add("2992 3000 1 1 1 1 1 1 1 1");
//1
//2
}
else {
string wkStr;
while ((wkStr = Console.ReadLine()) != null) WillReturn.Add(wkStr);
}
return WillReturn;
}
static long[] GetSplitArr(string pStr)
{
return (pStr == "" ? new string[0] : pStr.Split(' ')).Select(pX => long.Parse(pX)).ToArray();
}
struct ItemInfoDef
{
internal long Score;
internal long Weight;
}
static void Main()
{
List<string> InputList = GetInputList();
long[] wkArr = GetSplitArr(InputList[0]);
long WeightLimit = wkArr[1];
long[] ValueArr = GetSplitArr(InputList[1]);
long[] WeightArr = GetSplitArr(InputList[2]);
var ItemInfoList = new List<ItemInfoDef>();
for (long I = 0; I <= ValueArr.GetUpperBound(0); I++) {
ItemInfoDef WillAdd;
WillAdd.Score = ValueArr[I];
WillAdd.Weight = WeightArr[I];
ItemInfoList.Add(WillAdd);
}
ItemInfoDef[] ItemInfoArr = ItemInfoList.ToArray();
long UB = ItemInfoArr.GetUpperBound(0);
// 状態[重さ]なインラインDP表
var DPDict = new Dictionary<long, JyoutaiDef>();
for (long I = UB; 0 <= I; I--) {
Action<JyoutaiDef, long> UpdateAct = (pNewJyoutai, pNewWeight) =>
{
if (WeightLimit < pNewWeight) return;
if (DPDict.ContainsKey(pNewWeight)) {
// スコアで劣る場合
if (DPDict[pNewWeight].Score > pNewJyoutai.Score) return;
// 現在ItemIndで劣る場合
if (DPDict[pNewWeight].CurrItemInd > pNewJyoutai.CurrItemInd) return;
}
DPDict[pNewWeight] = pNewJyoutai;
};
foreach (long EachKey in DPDict.Keys.ToArray().OrderByDescending(pX => pX)) {
long NewWeight = EachKey + ItemInfoArr[I].Weight;
if (NewWeight > WeightLimit) continue;
JyoutaiDef CurrJyoutai = DPDict[EachKey];
JyoutaiDef NewJyoutai;
NewJyoutai.Score = CurrJyoutai.Score + ItemInfoArr[I].Score;
NewJyoutai.CurrItemInd = I;
NewJyoutai.PrevWeight = EachKey;
UpdateAct(NewJyoutai, NewWeight);
}
// 1つ目として取得する場合
JyoutaiDef FirstJyoutai;
FirstJyoutai.Score = ItemInfoArr[I].Score;
FirstJyoutai.CurrItemInd = I;
FirstJyoutai.PrevWeight = -1;
UpdateAct(FirstJyoutai, ItemInfoArr[I].Weight);
}
//foreach (var EachPair in DPDict.OrderBy(pX => pX.Key)) {
// Console.WriteLine("Weight={0},Score={1},CurrItemInd={2},PrevWeight={3}",
// EachPair.Key, EachPair.Value.Score, EachPair.Value.CurrItemInd, EachPair.Value.PrevWeight);
//}
// ----------------------------------------------------
// DPの復元パート
// ----------------------------------------------------
var Tmp1 = DPDict.OrderByDescending(pX => pX.Value.Score);
var Tmp2 = Tmp1.ThenByDescending(pX => pX.Value.CurrItemInd);
long CurrWeight = Tmp2.First().Key;
var AnswerList = new List<long>();
while (true) {
AnswerList.Add(1 + DPDict[CurrWeight].CurrItemInd);
if (DPDict[CurrWeight].PrevWeight == -1) break;
CurrWeight = DPDict[CurrWeight].PrevWeight;
}
Console.WriteLine(AnswerList.Count);
Console.WriteLine(LongEnumJoin(" ", AnswerList));
}
struct JyoutaiDef
{
internal long Score;
internal long CurrItemInd;
internal long PrevWeight;
}
// セパレータとLong型の列挙を引数として、結合したstringを返す
static string LongEnumJoin(string pSeparater, IEnumerable<long> pEnum)
{
string[] StrArr = Array.ConvertAll(pEnum.ToArray(), pX => pX.ToString());
return string.Join(pSeparater, StrArr);
}
}
aketijyuuzou