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Problem 2693 >> 100000009不是质数!!!坑死了。。。
recordmp3 @ 2016-02-21 21:19:07
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100000009不是质数!!!坑死了。。。
NiroBC @ 2016-06-03 14:40:34
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重点在于是1e8+9不是1e9+9..
我这个傻子就写了const long long MOD = 1000000009;
'_'
un262594 @ 2017-12-14 16:49:47
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上面两个错误我都犯了……一开始看错模数,后来快速幂求逆元……
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