14 lines
272 B
Python
14 lines
272 B
Python
def solution(x, y):
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return str(((x + y - 1) * (x + y) / 2) - (y - 1))
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tests = [
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([1, 1], "1"),
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([3, 2], "9"),
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([5, 10], "96"),
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([2, 3], "8")
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]
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for i, o in tests:
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result = solution(*i)
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print (i, result == o, result, o)
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