优化前要比多少次
200 条数据,用列表判重。运行下面这段程序:
def list_ops(n):
ops = 0
seen = []
for i in range(n):
for y in seen:
ops += 1
seen.append(i)
return ops
print(list_ops(200))
200 条数据,用列表判重。运行下面这段程序:
def list_ops(n):
ops = 0
seen = []
for i in range(n):
for y in seen:
ops += 1
seen.append(i)
return ops
print(list_ops(200))
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