結果
問題 |
No.1163 I want to be a high achiever
|
ユーザー |
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提出日時 | 2023-01-11 11:05:07 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 136 ms / 2,000 ms |
コード長 | 2,847 bytes |
コンパイル時間 | 3,590 ms |
コンパイル使用メモリ | 92,376 KB |
実行使用メモリ | 46,752 KB |
最終ジャッジ日時 | 2024-12-22 02:12:22 |
合計ジャッジ時間 | 7,165 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 30 |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { static int[] value; static int[] amount; static int[][] dp; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int x = sc.nextInt(); int[] points = new int[n]; int count = 0; for (int i = 0; i < n; i++) { points[i] = sc.nextInt() - x; if (points[i] < 0) { count++; } } if (count == n) { System.out.println(-1); return; } int[] costs = new int[n]; for (int i = 0; i < n; i++) { costs[i] = sc.nextInt(); } value = new int[count]; amount = new int[count]; int idx = 0; int total = 0; for (int i = 0; i < n; i++) { if (points[i] < 0) { value[idx] = points[i]; amount[idx] = costs[i]; idx++; } else { total += points[i]; } } dp = new int[count][total + 1]; for (int[] arr : dp) { Arrays.fill(arr, -1); } System.out.println(dfw(count - 1, total)); } static int dfw(int idx, int v) { if (v < 0) { return Integer.MAX_VALUE / 2; } if (idx < 0) { return 0; } if (dp[idx][v] < 0) { dp[idx][v] = Math.min(dfw(idx - 1, v) + amount[idx], dfw(idx - 1, v + value[idx])); } return dp[idx][v]; } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }