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 C语言网提供由在职研发工程师或...