Leetcode Problem 45. Jump Game II

45. Jump Game II

Leetcode Solutions

Greedy Approach for Minimum Number of Jumps

  1. Initialize curEnd and curFar to 0, and jumps to 0.
  2. Iterate through the array from the first element up to the second-to-last element.
  3. Update curFar to be the maximum of curFar and the sum of the current index i and nums[i].
  4. If the current index i is equal to curEnd: a. Increment jumps as we need to make another jump. b. Update curEnd to curFar.
  5. Continue the iteration until we reach the end of the array.
  6. Return the number of jumps.
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Dynamic Programming Approach for Minimum Number of Jumps

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