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  1. #include <iostream>
  2. #include <math.h>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	double k,p,s,n; int y;
  7. 	cin>>k>>p>>s>>n;
  8. 	if ((k<=0)||(p<=0)||(s<=0)||(n<=0)) {cout<<"Неверные денные";} 
  9. 	else {
  10. 		y = ceil(log(n*s/k)/log(p)); 
  11. 		cout<<y; 
  12. 	}
  13. }
Success #stdin #stdout 0s 3460KB
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4
https://ideone.com/s7pxme
Селекция
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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