题解 | #数位五五#
数位五五
https://www.nowcoder.com/practice/4306996b0a534178b90b3514a8b30028
a,b=map(int,input().split())
count1=0
for i in range(a,b+1):
sum1=0
for j in range(len(str(i))):
sum1+=int(str(i)[j])
if sum1%5==0:
count1+=1
else:
continue
print(count1)
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