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知道等比序列和再怎么办？求助！！！！！！！！！！！！！！

Posted by lijingwei at 2011-08-03 21:27:50 on Problem 2539

java写的...不能用t.pow(a).substract(one)这样吧???a很大也会tle！！！
难道把等比序列一项一项加起来？也不行吧。。。我的做法是
由于等比序列最后一项是t^(a-b)次方，那么如果(a-b)*log10(t)>100，肯定不能表示位100位之内！
还TLE。然后自己写二分求幂，还tle！然后改成buffer存储一次输出，还tle！
求高手帮忙！！！！！！！！！！！！！！！！！到底改哪个地方.

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终于a了，讲下思路 (645) lijingwei 2011-08-03 22:18:03

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