题解 | 穷哈哈~
穷哈哈~
https://www.nowcoder.com/practice/5b3184b233f34fb39a7f259ae82eb42c
# import sys
# for line in sys.stdin:
# a = line.split()
# print(int(a[0]) + int(a[1]))
n=int(input())
s=input()
res=0
max_len=0
last=s[0]
if last=='a' or last=='h':
res+=1
for i in s[1:]:
if i=='a':
if last=='h':
res+=1
else:
res=1
if i=='h':
if last=='a':
res+=1
else:
res=1
last=i
max_len=max(max_len,res)
max_len=max(max_len,res)
print(max_len)