Create Random number : Math « Development « C++ Tutorial






#include <iostream> 
#include <cstdlib>  
using namespace std; 
 
int main() 
{ 
  int magic;  
  int guess;  
 
  magic = rand(); // get a random number 
   
  cout << "Enter your guess: "; 
  cin >> guess; 
 
  if(guess == magic) 
     cout << "Right"; 
 
  return 0; 
}
Enter your guess: 2








5.19.Math
5.19.1.Use the abs() function
5.19.2.Create Random number
5.19.3.Use math function: sqrt, pow, log
5.19.4.Use math function: cos, sin, tan
5.19.5.Raise x to the y power
5.19.6.math library functions: log10, fabs, ceil, floor
5.19.7.math library functions: pow, fmod, sin, cos, tan