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第六课时
爱因斯坦的难题
爱因斯坦曾出过这样一道有趣的数学题:有一个长阶梯,若每步上2阶,最后剩1阶;若每步上3阶,最后剩2阶;若每步上5阶,最后剩4阶;若每步上6阶,最后剩5阶;只有每步上7阶,最后刚好一阶也不剩。
以下是正确代码
x = 7
i = 1
flag = 0
while i <= 100:
if (x%2 == 1) and (x%3 == 2) and (x%5 == 4) and (x%6==5):
flag = 1
else:
x = 7 * (i+1) # 根据题意,x一定是7的整数倍,所以每次乘以7
i += 1
if flag == 1:
print('阶梯数是:', x)
else:
print('在程序限定的范围内找不到答案!')
以下是我的代码,不知道为什么就是运行不了,快崩溃了,求大神解惑
whether=0
i=1
x=1
while i <= 100:
if (7*i)%2 == 1 and (7*i)%3 == 2 and (7*i)%5 == 4 and (7*i)%6 == 5:
x = 7*i
whether = 1
else:
i = i+1
if whether == 1:
print(x)
else:
print('you can\'t find the answer')
- whether = 0
- i = 1
- x = 1
- while i <= 100:
- if (7 * i) % 2 == 1 and (7 * i) % 3 == 2 and (7 * i) % 5 == 4 and (7 * i) % 6 == 5:
- x = 7 * i
- whether = 1
- print(x)
- i = i + 1
- if whether == 0:
- print('you can\'t find the answer')
复制代码
或者:
- whether = 0
- i = 1
- x = 1
- while i <= 100:
- if (7 * i) % 2 == 1 and (7 * i) % 3 == 2 and (7 * i) % 5 == 4 and (7 * i) % 6 == 5:
- x = 7 * i
- whether = 1
- break # 跳出循环
- i = i + 1
- if whether == 0:
- print('you can\'t find the answer')
- else:
- print(x)
复制代码
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