"""
Partition a set into two subsets such that the difference of subset sums is minimum
"""
def find_min(numbers: list[int]) -> int:
"""
>>> find_min([1, 2, 3, 4, 5])
1
>>> find_min([5, 5, 5, 5, 5])
5
>>> find_min([5, 5, 5, 5])
0
>>> find_min([3])
3
>>> find_min([])
0
>>> find_min([1, 2, 3, 4])
0
>>> find_min([0, 0, 0, 0])
0
>>> find_min([-1, -5, 5, 1])
0
>>> find_min([-1, -5, 5, 1])
0
>>> find_min([9, 9, 9, 9, 9])
9
>>> find_min([1, 5, 10, 3])
1
>>> find_min([-1, 0, 1])
0
>>> find_min(range(10, 0, -1))
1
>>> find_min([-1])
Traceback (most recent call last):
--
IndexError: list assignment index out of range
>>> find_min([0, 0, 0, 1, 2, -4])
Traceback (most recent call last):
...
IndexError: list assignment index out of range
>>> find_min([-1, -5, -10, -3])
Traceback (most recent call last):
...
IndexError: list assignment index out of range
"""
n = len(numbers)
s = sum(numbers)
dp = [[False for x in range(s + 1)] for y in range(n + 1)]
for i in range(n + 1):
dp[i][0] = True
for i in range(1, s + 1):
dp[0][i] = False
for i in range(1, n + 1):
for j in range(1, s + 1):
dp[i][j] = dp[i - 1][j]
if numbers[i - 1] <= j:
dp[i][j] = dp[i][j] or dp[i - 1][j - numbers[i - 1]]
for j in range(int(s / 2), -1, -1):
if dp[n][j] is True:
diff = s - 2 * j
break
return diff
if __name__ == "__main__":
from doctest import testmod
testmod()