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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.   double k=1, q ;
  7.   int a,b,count=0;
  8.  
  9.   cout << "Enter A ";
  10.   cin>>a;
  11.   cout << "Enter B ";
  12.   cin>>b;
  13.   for (int i=a; i<=b;i++){
  14.       k*=i;
  15.       count++;
  16.   }
  17.  
  18.   cout << "Sum = " << k << "!\n";
  19. cout << "Count = " << count << "!\n";
  20.   cout << "Avarage = " <<  pow(k, 1/count) << "!\n";
  21. }
  22.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:20:42: error: ‘pow’ was not declared in this scope
   cout << "Avarage = " <<  pow(k, 1/count) << "!\n";
                                          ^
stdout
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Standard output is empty
https://ideone.com/3gvnEE
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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