title: Modular Exponentiation Power In Modular Arithmetic
signature: modular_exponentiation_power_in_modular_arithmetic <- function(x, y, p) {
source_py: def modular_exponentiation_power_in_modular_arithmetic(x, y, p):
      res = 1
      x = (x % p)
      while (y > 0):
          if ((y & 1) == 1):
              res = ((res * x) % p)
          y = (y >> 1)
          x = ((x * x) % p)
      return res
source_cpp: int modular_exponentiation_power_in_modular_arithmetic(int x, unsigned int y, int p) {
    int res = 1;
    x = x % p;
    while ( y > 0 ) {
      if ( y & 1 ) res = ( res * x ) % p;
      y = y >> 1;
      x = ( x * x ) % p;
    }
    return res;
  }