Triplet sum program

#1

Here my code :- https://ide.codingblocks.com/s/248839
I am only able to pass one test case . Can you tell me what i am doing wrong here .

#2

@harshit.t2409 for input
10
20 12 11 22 11 22 11 22 11 22
33
your output is 1 2 4 which is obvio wrong