23 lines
446 B
Python
23 lines
446 B
Python
pswrange = [int(i) for i in open("input.txt").read().split("-")]
|
|
|
|
valid = 0
|
|
for i in range(pswrange[0], pswrange[1]):
|
|
i = str(i)
|
|
l = list(i)
|
|
c = 0
|
|
dec = False
|
|
double = False
|
|
while c < len(l)-1:
|
|
if l[c] <= l[c+1]:
|
|
pass
|
|
else:
|
|
dec = True
|
|
break
|
|
if i.count(l[c]) >= 2:
|
|
double = True
|
|
c+=1
|
|
if not dec and double:
|
|
valid+=1
|
|
|
|
print(valid)
|
|
|