Question

How find the first repeating element in an array of integers

Answer 1

Answer:

Algorithm 1. Run two loops such that select every element from the array and traverse ahead and check for duplicate in the array. a) If found print as First repeating integer.

Answer 2

Answer:

Number of subarrays having sum exactly equal to k. Given an unsorted array of integers, find the number of subarrays having sum exactly equal to a given number k. Examples: Input : arr[] = {10, 2, -2, -20, 10}, k = -10 Output : 3 Subarrays: arr[0..