2874: 行程长度编码

解题思路:

注意事项:

参考代码:

s = input().strip()

s = s.upper()

s = s + '0'

n = len(s)

i = 0

while i <= n-2:

    c = 1

    while s[i] == s[i+1]:

        c += 1

        i += 1

    print(f"({s[i]},{c})",end="")

    i += 1