ID NAME QUALITY USERS ACC % DIFFICULTY C I
127 Johnny Goes Shopping   9 1507
20
24
28641 Finding true twins   4 67
21
26

#partition

The partition problem is the task of deciding whether a given multiset of positive integers can be partitioned into two subsets such that the sum of the numbers in first subset equals the sum of the numbers in second subset

https://en.wikipedia.org/wiki/Partition_problem http://www.geeksforgeeks.org/dynamic-programming-set-18-partition-problem/