n = int(input())
a = [int(x) for x in input().split()]
product = 0
for i in range(n):
for j in range(i + 1, n):
product = max(product, a[i] * a[j])
print(product)
当我将上述代码提交给Corsera的编码判断系统时,
Failed case #4/17: time limit exceeded (Time used: 9.98/5.00, memory used: 20918272/536870912.)
已被退回。我怎样才能改变它?
慕码人8056858
凤凰求蛊
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