Q17 PepCoding | Count Of Valleys And Mountains

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Wed Mar 22 2023 17:58:22 GMT+0000 (Coordinated Universal Time)

Saved by @Ayush_dabas07

import java.io.*;
import java.util.*;

public class Main {

   public static void main(String[] args) throws Exception {
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      int n = Integer.parseInt(br.readLine());
      long[] dp = new long[n + 1];
      dp[0] = 1;

      for(int i = 1; i < dp.length; i++){
         for(int j = 0; j < i; j++){
            dp[i] += dp[j] * dp[i - 1 - j];
         }
      }

      System.out.println(dp[n]);
   }

}

https://www.pepcoding.com/resources/data-structures-and-algorithms-in-java-levelup/dynamic-programming/count-valleys-mountains-official/ojquestion

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DP level 2

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