Given an unsorted array of integers, find a 3-element subset that sums to zero
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A period of time where users login and logout, given a sets of login and logout time pairs, write a function that can show the number of users online at any given time.
Given a set of people, one of them is a celebrity. You have a 2D array which describes which people know each other, that is [N, M] is true if N knows M. The celebrity will not know anyone (except them self) and everyone will know the celebrity. Find an order N algorithm to find the celebrity.
1. Given a array of integers find the index which partitions the array to two with high numbers and low numbers. For example [5, -1, 3, 8,6] the index 3 will partition the array to [5,-1,3] and [8,6] all the numbers in the second partition are greater than first. The solution has to work in O(n).
Given two integer arrays. Find the Largest Common sub array. For example, arr1 = {1,2,3,2,3,2} arr2={2,2,3,3,4,5}, the largest common sub array is {2,2,3,3}
Q1. Print the 1st and 100th element of Fibonacci series together, 2nd and 99th element and so on. Q2. Print the following pattern 1 2 4 3 6 9 4 8 12 16 5 10 15 20 25. (Condition was using one for loop)
Ich sollte in einer sortierten Reihung die Nummer finden, die einer vorgegebenen Nummer an nächsten lag.
Judge if a Sudoku solution is right.
Find the balance point in an array. (The index where the sum of the elements to the left it is the same as the sum of the elements to the right of it.)
An array contains integers with the property that a particular number, called the majority element, appears more than 50% of the time. Give an algo to find this majority number
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