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不要贴ac codeIn Reply To:我也提供代码 多谢前面那位提供代码的兄弟 Posted by:gemenhao at 2006-03-17 18:15:09 给别人独立思考的机会 > #include<stdio.h> > #include<math.h> > #define zero 1e-6 > typedef long long l64; > int powb(l64 t,l64 x) > { > if(2==t%4) > return 1; > int b=2,p=1,a=1; > if(t%5==2||t%5==3||x<0) > a=2; > for(int i=a+1;b>1;i+=a) > { > b = (int)(pow(t,1.0/i)+zero); > if(fabs(pow(b,i)-t)<zero) > p = i; > } > return p; > } > > int main() > { > l64 x; > while(scanf("%I64d",&x) && x) > printf("%d\n",powb(x>0?x:-x,x)); > return 0; > } Followed by:
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