【每日一题20220620】最佳算式

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#1

:mage:‍ 给定3个数字a,b,c，我们的任务是使用+,*和()将它们组成数学算式。请编写一个函数，找出最终得数最大的那个算式。

【示例】
输入：1,2,3
输出：9
解释：根据数字1,2,3，可以组成1 * (2 + 3) = 5，或者1 * 2 * 3 = 6，或者1 + 2 * 3 = 7，以及(1 + 2) * 3 = 9，所以其中最大得数是9。

题目难度：简单
题目来源：codewars-Expressions Matter

def solution(a:int, b:int, c:int)-> int:
    # your code here

assert solution(1,2,3) == 9
assert solution(2,1,2) == 6
assert solution(3,5,7) == 105
#2 
def solution(a: int, b: int, c: int) -> int:
    return max([a * (b + c), a * b * c, a + b * c, (a + b) * c])
#3 
def solution(a: int, b: int, c: int) -> int:
	# your code here
	return max([a * (b + c), a * b * c, a + b * c, (a + b) * c, a + b + c])

assert solution(1, 2, 3) == 9
assert solution(1, 1, 1) == 3
assert solution(2, 1, 2) == 6
assert solution(3, 5, 7) == 105
#4 
def solution(a:int, b:int, c:int)-> int:

    return max([a * (b + c), (a + b) * c, a * b * c, a * b + c, a + b * c, a + b + c])


if __name__ == '__main__':
    assert solution(1,2,3) == 9
    assert solution(2,1,2) == 6
    assert solution(3,5,7) == 105
#5 
def solution(a:int, b:int, c:int)-> int:
    return max([a*(b+c),a*b*c,a+b*c,(a+b)*c])
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