K-Pair (warm-up)
Lesson 1 of 3 in Coddy's Interview Coding Challenges - Pack IV course.
Challenge
EasyWrite a function findPair which gets an array of integers arr and a target number k and returns true if there are a pair of integers in arr that sums up to k, otherwise returns false.
Example,
Input - arr = [1, 2, 3, 4], k = 6
Expected output - true
Explanation - The pair (2, 4) which exists in arr sums to k (It's the only pair also!)
Note: arr is not sorted array.
Try it yourself
bool findPair(int* arr, int arrSize, int k) {
// Write code here
}