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12DAYS
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38SECONDS

Leetcode Problem 1335. Minimum Difficulty of a Job Schedule

1335. Minimum Difficulty of a Job Schedule

Leetcode Solutions

Approach: Top-down Dynamic Programming (DP)

  1. Define the state min_diff(i, d) representing the minimum difficulty starting from job i with d days left.
  2. If d is 1, return the maximum difficulty of jobs from i to the end.
  3. If i is equal to the length of the job array, return 0 if d is 0, or -1 otherwise.
  4. Iterate over all possible job indices j from i to the end, and for each j, calculate the difficulty of scheduling jobs from i to j on the current day and add it to the result of min_diff(j, d - 1).
  5. Use memoization to store and reuse the results of subproblems.
  6. Return the minimum difficulty found for scheduling jobs from i with d days left.
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Approach: Bottom-upD Dynamic Programming (DP)

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