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Re:超过1000000000时就很溢出unsigned long long了,怎么办?In Reply To:超过1000000000时就很溢出unsigned long long了,怎么办? Posted by:4h at 2008-10-07 21:11:12
这题溢出不是很严重~~猥琐的一招~~
a*b%m=Mod(a,b,m);
long long Mod(long long a,long long b,long long m)
{
long long ans1,ans2;
ans1=a*(b%100000)%m;
ans2=a*(b/100000)%m*100000%m;
return (ans1+ans2)%m;
}
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