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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. typedef long double ld;
  4. #define OLD 1
  5. int main(){
  6. 	int n;
  7. 	while(scanf("%d",&n)==1){
  8. 		ld d=n;
  9. 		ld adjust=OLD?0:-1.77108*pow(d,1.0/6);
  10. 		ld tmp=(log(2*sqrt(d)+adjust)+d*log(d)-d+log(2*M_PI*d)/2+1/(12*d))/log(10);
  11. 		ld intpart,fractpart;
  12. 		fractpart = modf (tmp , &intpart);
  13. 		int res=(int)(pow(10,fractpart)*(OLD?10000:100));
  14. 		cout<<res<<endl;
  15. 	}
  16. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
101
1001
10001
stdout 
18945
25487
56933
https://ideone.com/YM5XBB
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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