Question

我的代码有问题。不知道如何修复它。我的程序反复提示要访问的超市过道号码。当输入 0 时，输入过程将终止。然后程序根据放置购物篮的最佳位置和我需要从中挑选物品的通道数计算最小距离。然后程序显示最小距离。以下是我的代码：

totalAisles = int(input("Enter the number of aisles in supermarket: "))
visitAisle = int(input("Enter the aisle number to visit: "))
if visitAisle == 0:
    print("Not visiting any aisle")
else:
    aisle = []
    while True:
        visitAisle = int(input("Enter the aisle number to visit: "))
        if visitAisle == 0:
            break
        else:
            for i in range(totalAisles):
                visitAisle = int(input("Enter the aisle number to visit: "))
                aisle.append(visitAisle)
                #to find the best aisle to place the basket 
                highestAisle = max(aisle)
                lowestAisle = min(aisle)
                basket = round(highestAisle + lowestAisle) / 2
                minimumDistance += abs(basket - visitAisle) * 2
            print(f"The minimum distance is {minimumDistance} units")

示例运行

运行 1 输入超市过道数：100

输入要访问的通道号：1

输入要参观的通道号：8

输入要访问的通道号：5

输入要访问的通道号：4

输入要访问的通道号：10

输入要访问的通道号：0

最小距离为 26 个单位

运行 2

输入超市过道数：100

输入要访问的通道号：1

输入要访问的通道号：0

最小距离为 0 个单位

运行 3

输入超市过道数：100

输入要访问的通道号：0

不走任何通道

Answer 1

这是我建议您的解决方法

visitAisle = int(input("Enter the aisle number to visit: "))
if visitAisle == 0:
    print("Not visiting any aisle")
else:
    aisle = []
    while True:
        visitAisle = int(input("Enter the aisle number to visit: "))
        if visitAisle == 0:
            break
        else:
            for i in range(totalAisles):
                visitAisle = int(input("Enter the aisle number to visit: "))
                if visitAisle == 0:
                    break
                aisle.append(visitAisle)
                #to find the best aisle to place the basket 
                highestAisle = max(aisle)
                lowestAisle = min(aisle)
                basket = round(highestAisle + lowestAisle) / 2
                minimumDistance += abs(basket - visitAisle) * 2
        if visitAisle == 0:
                    break
    print("The minimum distance is ", minimumDistance)

我修改了几行程序，但只是一点点。现在我希望你能理解问题的原因。

Answer 2

虽然我不确定输出是否正是您要查找的内容，但这是一种替代方法。

totalAisles = int(input("Enter the number of aisles in supermarket: "))
enterStore = (input("Do you want to enter the store (yes/no)?: "))
if enterStore == "no":
    print("Not visiting the supermarket today!")
minimumDistance = 0
aisle = []
while enterStore != "no":
    visitAisle = int(input("Enter the aisle number to visit: "))
    if visitAisle == 0:
        break
    else:
        aisle.append(visitAisle)
        highestAisle = max(aisle)
        lowestAisle = min(aisle)
        basket = int(round(highestAisle + lowestAisle) / 2)
        minimumDistance += abs(basket - visitAisle) * 2

print(f"The minimum distance is {minimumDistance} units, ideal place for basket is {basket}")

Answer 3

更新这是一种更简化的方法。我还确保用户不会输入重复的过道编号，也不会输入比商店中更多的过道数。最重要的是，计算步骤大大简化。

totalAisles = int(input("Enter the number of aisles in supermarket: "))
aisle = []
visitAisle = None

while len(aisle) < totalAisles:
    visitAisle = int(input("Enter the aisle number to visit: "))
    if visitAisle == 0:
        if aisle:
            break
        else:
            print("Not visiting any aisle")
            break
    if visitAisle not in aisle and visitAisle != 0:
        aisle.append(visitAisle)
    else:
        print("You already entered that aisle number. Pick another one.")

#to find the best aisle to place the basket
if aisle:
    highestAisle = max(aisle)
    lowestAisle = min(aisle)
    basket = (highestAisle + lowestAisle) //2

    #traveling back and forth from the basket to each isle
    minimumDistance = 0
    for visitAisle in aisle:
        minimumDistance += abs(basket - visitAisle) * 2
    print(f"\nThe minimum distance is {minimumDistance} units if you park the cart at aisle {basket}")

继续提示用户输入，直到输入 0

3 个答案: