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Simple problem...
- nishaanth08 November 09, 2010Just have an array c[] for cumulative sum.
and the answer just follows.
Eg.
1,2,3,-4,5
cumulative arrray: 1,3,6,2,7
now just see all the partitions: diff= a[n]-2*c[i], if i is the place of partition.
Take the maximum.
Algorithm is clearly O(n)