結果
問題 | No.2076 Concon Substrings (ConVersion) |
ユーザー |
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提出日時 | 2023-02-09 13:41:17 |
言語 | Java (openjdk 23) |
結果 |
MLE
|
実行時間 | - |
コード長 | 3,165 bytes |
コンパイル時間 | 3,410 ms |
コンパイル使用メモリ | 95,616 KB |
実行使用メモリ | 728,272 KB |
最終ジャッジ日時 | 2024-07-06 17:00:56 |
合計ジャッジ時間 | 11,427 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 3 MLE * 1 -- * 24 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {static int[][] dp;static ArrayList<Integer> values = new ArrayList<>();static int a;static int b;public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();a = sc.nextInt();b = sc.nextInt();char[] inputs = sc.next().toCharArray();int count = 0;int max = 0;for (int i = 0; i + 2 < n; i++) {if (inputs[i] == 'c' && inputs[i + 1] == 'o' && inputs[i + 2] == 'n') {count++;i += 2;} else {if (count / a > 0 || count / b > 0) {values.add(count);max += count / a;}count = 0;}}if (count / a > 0 || count / b > 0) {values.add(count);max += count / a;}dp = new int[values.size()][max + 1];for (int[] arr : dp) {Arrays.fill(arr, -1);}int ans = 0;for (int i = max; i >= 0; i--) {int x = dfw(values.size() - 1, i);int current = Math.min(i, x) * 2;if (i > x) {current++;}ans = Math.max(ans, current);}System.out.println(ans);}static int dfw(int idx, int v) {if (idx < 0) {if (v == 0) {return 0;} else {return Integer.MIN_VALUE;}}if (dp[idx][v] < 0) {dp[idx][v] = Integer.MIN_VALUE;int x = values.get(idx);for (int i = 0; i * a <= x && i <= v; i++) {dp[idx][v] = Math.max(dp[idx][v], dfw(idx - 1, v - i) + (x - i * a) / b);}}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();}}