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这题让人想吐自己的程序永远都不知道错在哪? 找了个AC的程序测数据,却发现这个程序更本不对,但是偏偏能AC. 测来测去发现 -10 10 20 -20 30 0 2 3 4 11 4 9 13 ans:14.44 -10 10 20 -20 30 0 1 4 9 13 ans:12.86 这是AC程序的答案,于是我吐了.... Followed by:
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