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#!/usr/bin/env python
'''code description'''
# pylint: disable = I0011, E0401, C0103
class Solution(object):
'''Solution description'''
def func(self, nums, target):
'''
Solution function description
'''
if nums is None or len(nums) < 3:
return 0
if len(nums) == 3:
return sum(nums)
nums.sort()
n = len(nums)
res = nums[0]+nums[1]+nums[2]
if res >= target:
return res
diff = res - target
for i in xrange(n-2):
if nums[i] == nums[i-1] and i > 0:
continue
l, r = i+1, n-1
while l < r:
print i, l, r, diff
diff = nums[i]+nums[l]+nums[r]-target
if abs(res-target) >= abs(diff):
print 1
res = nums[i]+nums[l]+nums[r]
if diff < 0:
print 2
l += 1
if diff > 0:
print 4
r -= 1
if diff == 0:
return res
return res
def main():
'''main function'''
_solution = Solution()
a = [-55,-24,-18,-11,-7,-3,4,5,6,9,11,23,33]
b = 0
'''
[1,2,4,8,16,32,64,128]
82
[0,2,1,-3]
1
[1,1,1,90, 0]
100
[0,1,2]
0
[0,0,0]
1
'''
res = _solution.func(a, b)
print res
if __name__ == "__main__":
main()
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