If a set S={1,2,3...,n}, among these we have selected m elements, for which the sum of these elements is k. What will be the best logic for this?

I am facing this problem in one or other way during my research(Graph labeling>Magic labeling). What will be the best logic to make a computer programme? I have tried this but it doesn't work...

12 August 2020 2,994 9 View