Leetcode Problem 2770. Maximum Number of Jumps to Reach the Last Index

2770. Maximum Number of Jumps to Reach the Last Index

Leetcode Solutions

Dynamic Programming Approach

  1. Initialize a DP array dp of size n with all elements set to -1.
  2. Set dp[0] to 0.
  3. Iterate over the array from index 0 to n-1. a. If dp[i] is -1, continue to the next iteration. b. For each index j from i+1 to n-1, check if nums[j] is within the target range from nums[i]. c. If it is, update dp[j] to the maximum of dp[j] and dp[i] + 1.
  4. After the iterations, if dp[n-1] is -1, return -1.
  5. Otherwise, return dp[n-1].
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Greedy Approach with Sorting

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