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  1. #include <iostream>
  2. #include <cstdlib>
  3. #include <ctime>
  4. using namespace std;
  5.  
  6. int main(){
  7.   srand(time(NULL)); 
  8.   // seeding the PRNG with current time
  9.  
  10.   int trial;
  11.   cin >> trial;
  12.  
  13.   double total = 0.0;
  14.   for(int i = 0; i < trial; i++){
  15.   	int roll = rand() % 6 + 1;
  16.  
  17.     if(roll <= 4)
  18.     	total -= roll * 1.5;
  19.    	else
  20.     	total += roll;
  21.   }
  22.  
  23.   total /= trial;
  24.  
  25.   cout << total << endl;
  26. }
Success #stdin #stdout 0.01s 5436KB
comments ()
stdin
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100000
stdout
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-0.677335
https://ideone.com/BQpDE0
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
secret

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