题解 | #DNA序列#
DNA序列
https://www.nowcoder.com/practice/e8480ed7501640709354db1cc4ffd42a
dna_str = input()
l_sub = int(input())
res = None
max_occ = 0
for i in range(len(dna_str) - l_sub + 1):
sub = dna_str[i:i+l_sub]
occ = sub.count("G") + sub.count("C")
if occ > max_occ:
max_occ = occ
res = sub
print(res)
OPPO公司福利 1180人发布
查看8道真题和解析