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Combinations | Backtracking | Python | LeetCode 77 | Top Interview 150
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Leetcode 77 Combinations. Python based optimized solution with clear explanation.
To solve the "Combinations" problem on LeetCode (problem number 77), implement backtracking by iterating through each number from 1 to n, then recursively calling the function with the next index and the decremented value of k. After getting the result from the recursive call append the current element to that obtained combination. After adding up all the combinations obtained we arrive at the required output.
Chapters:
00:00 Question Description
01:21 Explanation
04:27 Code up
Link to Playlists:
#leetcode #backtracking #recursion #medium #problemsolving #python
To solve the "Combinations" problem on LeetCode (problem number 77), implement backtracking by iterating through each number from 1 to n, then recursively calling the function with the next index and the decremented value of k. After getting the result from the recursive call append the current element to that obtained combination. After adding up all the combinations obtained we arrive at the required output.
Chapters:
00:00 Question Description
01:21 Explanation
04:27 Code up
Link to Playlists:
#leetcode #backtracking #recursion #medium #problemsolving #python
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