Sum it up problem

#1

in the input example there is 1 1 6 where 1 is coming twice but in ques it is saying each number should exactly come one time

#2

@vanisinghal0201 vani there are 2 ones so in each o/p we can use upto 2 ones. had there been a single 1 than you cant use. i hope its clear

#3

how can i use backtracting in it

#4

@vanisinghal0201 use subsequences technique of include exclude

#5
#6

plz check code i think something is missing

#7

@vanisinghal0201 here refer this

#8

what is wrong in my code

#9

@vanisinghal0201 return outside if sum==t and removed j==n;


but repeated are coming so gave you the correct code for reference