Files
euler/src/task14 - Longest Collatz sequence.py
2020-06-21 23:53:32 +02:00

17 lines
285 B
Python

counter = [0, 0]
for i in range(1, 1000001):
x=1
i2= i
while i>1:
if i%2==0:
i=i/2
x+=1
else:
i=3*i+1
x+=1
if x > counter[1]:
counter[0] = i2
counter[1] = x
print(counter)