#!/usr/bin/env python __author__ = "bt3" ''' You are given an array of integers (both positive and negative). Find the contiguous sequence with the largest sum. ''' def find_largest_sum(array): ''' >>> find_largest_sum([-1, 2, -3, 5, 3, 1, -16, 7, 1, -13, 1]) 9 >>> find_largest_sum([]) 0 >>> find_largest_sum([1]) 1 ''' sum_ = 0 sum_here = 0 for i in array: sum_here += i if sum_here < 0: sum_here = 0 if sum_ < sum_here: sum_ = sum_here return sum_ if __name__ == '__main__': import doctest doctest.testmod()