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1920. Build Array from Permutation | Zero to FAANG Kunal | Assignment Solution | Leetcode | Shapnesh
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1920. Build Array from Permutation | Zero to FAANG by Kunal | Assignment Solution | Leetcode | Shapnesh Tiwari
Problem link :
Course link:
Complete Java + DSA + Interview Preparation + CP Course
Hi, thanks for watching our video about Arrays in Java
In this video we’ll walk you through:
- Brute Force
- Efficient approach
- Solution Code
TIMESTAMPS
Intro
Explanation begins
IDE solution
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Example 1:
Input: nums = [0,2,1,5,3,4]
Output: [0,1,2,4,5,3]
Explanation: The array ans is built as follows:
ans = [nums[nums[0]], nums[nums[1]], nums[nums[2]], nums[nums[3]], nums[nums[4]], nums[nums[5]]]
= [nums[0], nums[2], nums[1], nums[5], nums[3], nums[4]]
= [0,1,2,4,5,3]
Example 2:
Input: nums = [5,0,1,2,3,4]
Output: [4,5,0,1,2,3]
Explanation: The array ans is built as follows:
ans = [nums[nums[0]], nums[nums[1]], nums[nums[2]], nums[nums[3]], nums[nums[4]], nums[nums[5]]]
= [nums[5], nums[0], nums[1], nums[2], nums[3], nums[4]]
= [4,5,0,1,2,3]
Constraints:
The elements in nums are distinct.
Follow-up: Can you solve it without using an extra space (i.e., O(1) memory)?
Accepted
37.5K
Submissions
40.2K
Seen this question in a real interview before?
Yes
No
Just apply what's said in the statement.
Notice that you can't apply it on the same array directly since some elements will change after application
Problem link :
Course link:
Complete Java + DSA + Interview Preparation + CP Course
Hi, thanks for watching our video about Arrays in Java
In this video we’ll walk you through:
- Brute Force
- Efficient approach
- Solution Code
TIMESTAMPS
Intro
Explanation begins
IDE solution
ABOUT OUR CHANNEL
Our channel is all about Programming. We cover lots of cool stuff such as solution to problems, concept explanation and tricks to master CP
Check out our channel here:
Don’t forget to subscribe!
CHECK OUT OUR OTHER Playlists
GeeksforGeeks playlist:
Complete C++ Course playlist:
CodeChef Playlist:
HackerRank playlist:
LeetCode problems
FIND US AT
GET IN TOUCH
Share
Example 1:
Input: nums = [0,2,1,5,3,4]
Output: [0,1,2,4,5,3]
Explanation: The array ans is built as follows:
ans = [nums[nums[0]], nums[nums[1]], nums[nums[2]], nums[nums[3]], nums[nums[4]], nums[nums[5]]]
= [nums[0], nums[2], nums[1], nums[5], nums[3], nums[4]]
= [0,1,2,4,5,3]
Example 2:
Input: nums = [5,0,1,2,3,4]
Output: [4,5,0,1,2,3]
Explanation: The array ans is built as follows:
ans = [nums[nums[0]], nums[nums[1]], nums[nums[2]], nums[nums[3]], nums[nums[4]], nums[nums[5]]]
= [nums[5], nums[0], nums[1], nums[2], nums[3], nums[4]]
= [4,5,0,1,2,3]
Constraints:
The elements in nums are distinct.
Follow-up: Can you solve it without using an extra space (i.e., O(1) memory)?
Accepted
37.5K
Submissions
40.2K
Seen this question in a real interview before?
Yes
No
Just apply what's said in the statement.
Notice that you can't apply it on the same array directly since some elements will change after application
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