某电视台举办了低碳生活大奖赛。题目的计分规则相当奇怪： 每位选手需要回答10个问题（其编号为1到10），越后面越有难度。-A television station held a low-carbon life Grand Prix. The topic scoring rules rather strange: each player needs to answer 10 questions (number 1-10), the more difficult the more behin