Taget Pair Sum Array

don’t understand the logic behind the question

hi @sudhanshukrmfp_acfc313069fd8e87 refer https://www.geeksforgeeks.org/two-pointers-technique/ and do a dry run on paper

Can we connect on meet

@sudhanshukrmfp_acfc313069fd8e87 refer https://youtu.be/4t9jv9AkVdE