LIFE CODING WITH JAVA
Pair Sum
Send Feedback
You have been given an integer array/list(ARR) and a number X. Find and return the total number of pairs in the array/list which sum to X.
Sample Input 1:
1
9
1 3 6 2 5 4 3 2 4
7
Sample Output 1:
7
Sample Input 2:
2
9
1 3 6 2 5 4 3 2 4
12
6
2 8 10 5 -2 5
10
Sample Output 2:
0
2
I try to solve very easy concept So please watch this video .
All java code with easy trick.
By "LIFE CODING WITH JAVA". all program free no any cost So please like ,subscribe ,share and comment.
If you any doubt related to any video then comment me. As soon as I will help you .
my contact number: 6206472735
