Empowering coders, one solution at a time
Empowering coders, one solution at a time
![[Solved] Minimum Score After Removals on a Tree LeetCode Contest Problem](https://realcoder.techss24.com/wp-content/uploads/2022/06/Solved-Minimum-Score-After-Removals-on-a-Tree-LeetCode-Contest-Problem.png "[Solved] Minimum Score After Removals on a Tree LeetCode Contest Problem")
Minimum Score After Removals on a Tree: There is an undirected connected tree with n nodes labeled from 0 to n – 1 and n – 1 edges. You are given a 0-indexed integer array nums of length n where nums[i] represents the value of the ith node. You are also given a 2D integer array edges of length n -…
![[Solved] Maximum Score Of Spliced Array LeetCode Contest Problem](https://realcoder.techss24.com/wp-content/uploads/2022/06/Solved-Maximum-Score-Of-Spliced-Array-LeetCode-Contest-Problem.png "[Solved] Maximum Score Of Spliced Array LeetCode Contest Problem")
You are given two 0-indexed integer arrays nums1 and nums2, both of length n. You can choose two integers left and right where 0 <= left <= right < n and swap the subarray nums1[left…right] with the subarray nums2[left…right]. For example, if nums1 = [1,2,3,4,5] and nums2 = [11,12,13,14,15] and you choose left = 1 and right = 2, nums1 becomes [1,12,13,4,5] and nums2 becomes [11,2,3,14,15]. You may choose to apply…
![[Solved] Count Number of Ways to Place Houses LeetCode Contest Problem](https://realcoder.techss24.com/wp-content/uploads/2022/06/Solved-Count-Number-of-Ways-to-Place-Houses-LeetCode-Contest-Problem.png "[Solved] Count Number of Ways to Place Houses LeetCode Contest Problem")
Count Number of Ways to Place Houses: There is a street with n * 2 plots, where there are n plots on each side of the street. The plots on each side are numbered from 1 to n. On each plot, a house can be placed. Return the…
![[Solved] Check if Matrix Is X-Matrix LeetCode Contest Problem](https://realcoder.techss24.com/wp-content/uploads/2022/06/Solved-Check-if-Matrix-Is-X-Matrix-LeetCode-Contest-Problem.png "[Solved] Check if Matrix Is X-Matrix LeetCode Contest Problem")
Check if Matrix Is X-Matrix: A square matrix is said to be an X-Matrix if both of the following conditions hold: All the elements in the diagonals of the matrix are non-zero. All other elements are 0. Given a 2D integer array grid of size n x n representing…
1. What will be the output of the following python code? a=2 def fun(a=3): global a a+=5 fun() print(a) Ans: Error 2. consider the following statement and choose the correct option: a=[10, 4, 1, 50, 8, 2] b=sorted(a, reverse=’No’) print(b)…
![[Solved] Weak Password Problem with Python](https://realcoder.techss24.com/wp-content/uploads/2022/06/Solved-Weak-Password-Problem-with-Python.png "[Solved] Weak Password Problem with Python")
Weak Password: Write a program to obtain user details in CSV format. If the password entered by the user satisfies the following constraints, print the user details, else raise an exception “Your password is weak”. A password is said…
![[Solved] Input Mismatch Exception Problem with Python](https://realcoder.techss24.com/wp-content/uploads/2022/06/Solved-Input-Mismatch-Exception-Problem-with-Python.png "[Solved] Input Mismatch Exception Problem with Python")
Input Mismatch Exception: An exception is an unwanted or unexpected event, which occurs during the execution of a program, that disrupts the normal flow of the program. There are many types of exception which can occur due to various reasons. …
Veena is a clerk in a college. She keeps the records of all the student details in her system. She is finding it difficult to manage the records manually so she contacts her friend Tina a software Engineer, to help…
![[Solved] Duplicate User Problem with Python](https://realcoder.techss24.com/wp-content/uploads/2022/06/Solved-Duplicate-User-Problem-with-Python.png "[Solved] Duplicate User Problem with Python")
Duplicate User: Tina works in a consultancy, and she was currently associated with the task where she had to remove the duplicate users from the list by comparing the phone numbers of the users. She thought writing code as per…
![[Solved] Name Comparision Problem with Python](https://realcoder.techss24.com/wp-content/uploads/2022/06/Solved-Name-Comparision-Problem-with-Python.png "[Solved] Name Comparision Problem with Python")
Name Comparision: Ram works in sales department where he has to check the items and vendors names and make a list of same items and different items. He thought doing it manually doing it will consume more time and energy.…