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Vaccine Distribution Codechef December Long challenge solution 2020- This Problem vaccine distribution is taken from December long challenge 2020. lets read problem statement. Problem statement- Finally, a COVID vaccine is out on the market and the Chefland government has asked you to form a plan to distribute it to the public as soon as possible. There are a total of N N people with ages a 1 , a 2 , … , a N a 1 , a 2 , … , a N . There is only one hospital where vaccination is done and it is only possible to vaccinate up to D D people per day. Anyone whose age is ≥ 80 ≥ 80 or ≤ 9 ≤ 9 is considered to be at risk . On each day, you may not vaccinate both a person who is at risk and a person who is not at risk. Find the smallest number of days needed to vaccinate everyone. Input The first line of the input contains a single integer T T denoting the number of test cases. The description of T T test cases follows. The first line of each test case contains two space-separ
Codechef February long challenge solution 2021- Hey guys Welcome Again, A small update CodeChef February long challenge solution 2021 starting from 1st week of beb 2021 . Codechef long challenge is one of the popular contests of CodeChef you should participate in codechef Feb long challenge.This is first contest of codechef in 2021 so good luck. And wish you happy new year. Contest link- https://www.codechef.com/FEB21/?itm_medium=navmenu&itm_campaign=FEB21 I will post the solution after Contest.Stay tuned. About CodeChef February long challenge solution 2021: CodeChef Long Challenge is a 10-day monthly coding contest where you can show off your computer programming skills. The significance being - it gives you enough time to think about a problem, try different ways of attacking the problem, read the concepts etc. If you’re usually slow at solving problems and have ample time at hand, this is ideal for you. We also put in a lot of efforts in getting quality problems, w
Problem statement- Given two sorted arrays arr1 and arr2 of sizes N and M in non-decreasing order. Merge them in sorted order without using any extra space. Modify arr1 so that it contains the first N elements and modify arr2 so that it contains the last M elements. Example 1: Input: N = 4, arr1 = [1 3 5 7] M = 5, arr2 = [0 2 6 8 9] Output: arr1 = [0 1 2 3] arr2 = [5 6 7 8 9] Explanation: After merging the two non-decreasing arrays, we get, 0 1 2 3 5 6 7 8 9. Example 2: Input: N = 2, arr1 = [10, 12] M = 3, arr2 = [5 18 20] Output: arr1 = [5 10] arr2 = [12 18 20] Explanation: After merging two sorted arrays we get 5 10 12 18 20. Your Task: You don't need to read input or print anything. You only need to complete the function merge() that takes arr1, arr2, N and M as input parameters and modifies them in-place so that they look like the sorted merged array when concatenated. Expected Time Complexity: O((n+m) log(n+m)) Expected Auxilliary Space: O(1