A majority element is an element that makes up more than half of the items in an array. Given a positive integers array, find the majority element. If there is no majority element, return -1. Do this in O(N) time and 0(1) space. Input: 1 2 5 9 5 9 5 5 5 Output: 5
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A majority element is an element that makes up more than half of the items in
an array. Given a positive integers array, find the majority element. If there is no majority element,
return -1. Do this in O(N) time and 0(1) space.
Input: 1 2 5 9 5 9 5 5 5
Output: 5
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- Given an array arr of n elements which is first increasing and then may be decreasing, find the maximum element in the array. Note: If the array is increasing then just print then last element will be the maximum value. Example 1: Input: n = 9 arr[] {1,15,25,45,42,21,17,12,11} Output: 45 Explanation: Maximum element is 45. Example 2:Given an integer array Arr of size N the task is to find the count of elements whose value is greater than all of its prior elements. Note : 1st element of the array should be considered in the count of the result. For example, Arr={7,4,8,2,9} As 7 is the first element, it will consider in the result. 8 and 9 are also the elements that are greater than all of its previous elements. Since total of 3 elements is present in the array that meets the condition. Hence the output = 3.This code calculate the average of elements in each column of array T(5,3) and stored in array K(3). 1-....... 2-..... 3-....... S = S +T(I, J) Next I 4-.... 5-...... Next J 1-For J = 1 To 3 2-S = 0 3-For I = 1 To 5 4- AV = S/5 5-K(J) = S 1-S = 0 2-For J = 1 To 3 3-For I = 1 To 54- AV = S/5 5-K(J) = AV 1-For J = 1 To 3 2-S = 0 3-For I = 1 To 54- AV = S/35-K(J) = AV 1-For J = 1 To 3 2-S = 0 3-For I = 1 To 5 4- AV = S/ 5 5-K(J) = AV 1-For J = 1 To 5 2-S = 0 3-For I = 1 To 3 4- AV = S/ 5 5-K(J) = AV
- Calculating the Minimum Sum Path in a Triangle (LeetCode Problem)Given a triangle array, return the minimum path sum from top to bottom. For each step, you may move toan adjacent number of the row below. More formally, if you are on index i on the current row, you maymove to either index i or index i + 1 on the next row. public static int minSumPathMemo(int[][] triangle)This method will calculate the minimum sum path in the triangle using the top down strategy. Note thismethod MUST BE recursive and you will need to create a recursive helper method. public static int minSumPathBottomUp(int[][] triangle)This method will calculate the minimum sum path in the triangle using the bottom up strategy. Note thismethod CANNOT be recursive and you should not create any additional helper functions. Extra Challenge: Could you do this using only O(n) extra space where n is the total number of rows in thetriangle? This is method signature class below: package dynamic; public class MinSumPath {…Given an array arr[] and an integer K where K is smaller than size of array, the task is to find the Kth smallest element in the given array. It is given that all array elements are distinct. Note :- l and r denotes the starting and ending index of the array. Example 1: Input: N = 6 arr[] = 7 10 4 3 20 15 K = 3 Output : 7.In main() for now: do these - one at a time, each in it's own loop (we will make functions out of them later –Declare an array RandArray with 20 integers –Assign each of the 20 values with a random value from 0 to 99 Hint: Use rand()%100 For mimir: Do not call srand at the top of main. // normally: Call srand(time(0)) at the top of main –(you need #include<cstdlib>) –Write another loop that prints the array, with index values Important: If the output values do not match mimir, please add srand(17); // inside your main function - at the top code format: #include <iostream>using namespace std; #include <cstdlib> // required for rand() int main(){ srand(17); // define a constant ARRAYSIZE that is 20 // declare randArray // set the 20 elements in randArray to be a random number between 0 and 99 // hint: use rand()%100 // print the 20 values return 0;}
- Given a sorted array of n integers that has been rotated an unknownnumber of times, write code to find an element in the array. You may assume that the array wasoriginally sorted in increasing order.EXAMPLElnput:find5in{15, 16, 19, 20, 25, 1, 3, 4, 5, 7, 10, 14}Output: 8 (the index of 5 in the array)Given an 8-element array: A = {x1, X2, X3, X4, X5, X6, 7, x8}, we would like to find its 3rd smallest element. It is known that x₁ and 8 are the two extreme elements: max and min, but we do not know which one is the max and which one is the min. It is also known that x4 and x5 are the two medians: left-median and right-median. What is the minimum number of comparisons you need to find the 3rd smallest element of the original array? Ans:Given an array arr[] of N non-negative integers representing the height of blocks. If width of each block is 1, compute how much water can be trapped between the blocks during the rainy season. Example 1: Input: N = 6 arr[] = {3,0,0,2,0,4} Output: 10.
- Given an array A[] of size n. The task is to find the largest element in it. Example 1: Input: n = 5 A[] = {1, 8, 7, 56, 90} Output: 90 Explanation: The largest element of given array is 90.In programming language C Write a program to take input for two 1D array elements. Perform the sum of their elements and store the result in third array (1D). After this, arrange the elements of third array in ascending order and then implement binary search on the arranged array.Given an array arr] and an integer K where K is smaller than size of array, the task is to find the Kth smallest element in the given array. It is given that all array elements are distinct. Note :- I and r denotes the starting and ending index of the array. Example 1: Input: N = 6 arr[] = 7 10 4 3 20 15 K = 3 Output: 7