Find elements pair from array whose sum equal to number
Write a program to find a pair sum in array equal to given input number. Pair sum equal to a given number [vc_row][vc_column width=”2/3″][td_block_text_with_title custom_title=”Method 1″][/td_block_text_with_title][/vc_column][/vc_row] Time Complexity: O(NlogN) Space Complexity: O(1) Concept: Let say there are numbers below and we need to find 2 numbers from an array whose sum is …