嗨,我正在学习使用python的算法基础知识,这是我的第一个压力测试脚本(我还是python的新手)。
当我运行测试快速变量和结果打印为0时,包含的随机数生成器似乎没有为要使用的函数mpp和mppf创建数字,或者它们没有将结果分配给相关变量,因此变量保持= 0并且循环保持打印'0 0 OK'
我没有收到任何错误,除了我的脚本没有做我想要的事情!
import random
result = 0
fast = 0
while result == fast:
if __name__ == '__main__':
n = (random.randint(2, 11))
a = list(random.randint(0, 99999) for r in range(n))
assert (len(a) == n)
def max_pairwise_product(n, a):
global result
for i in range(0, n):
for j in range(i + 1, n):
if a[i] * a[j] > result:
result = a[i] * a[j]
return result
def max_pairwise_product_fast(n, a):
global fast
max_index1 = -1
for i in range(n):
if max_index1 == -1 or a[i] > a[max_index1]:
max_index1 = i
max_index2 = -1
for i in range(n):
if i != max_index1 and (max_index2 == -1 or a[i] > a[max_index2]):
max_index2 = i
fast = a[max_index1] * a[max_index2]
return fast
print(fast, result, "OK")
else:
print("Wrong Answer")
我认为这似乎有效:
import random
def max_pairwise_product_fast(n, a):
global fast
max_index1 = -1
for i in range(n):
if max_index1 == -1 or a[i] > a[max_index1]:
max_index1 = i
max_index2 = -1
for i in range(n):
if i != max_index1 and (max_index2 == -1 or a[i] > a[max_index2]):
max_index2 = i
fast = a[max_index1] * a[max_index2]
return fast
def max_pairwise_product(n, a):
global result
for i in range(0, n):
for j in range(i + 1, n):
if a[i] * a[j] > result:
result = a[i] * a[j]
return result
result = 0
fast = 0
while result == fast:
if __name__ == '__main__':
n = (random.randint(2, 11))
a = list(random.randint(0, 99999) for r in range(n))
assert (len(a) == n)
result = max_pairwise_product(n, a)
fast=max_pairwise_product_fast(n, a)
print(fast, result, "OK")
else:
print("Wrong Answer")
我不知道你的代码是做什么的,但它现在好像在运行。你不应该在循环中保留定义的函数。
希望这可以帮助。