task main ()
{
  int distance_in_cm = 10;
 
  {
  while(true)
  motor(motorB) = -35;
  }
if(SensorValue(sensorSONAR)>distance_in_cm)
{
  nMotorEncoder[motorB] = 0;
  nMotorEncoderTarget[motorB]=360;
  motor(motorB)=-30;
}
else
{
   motor(motorB) = -35;
}
}

  while(true)
  {
    motor(motorB) = -35;
  }

#pragma config(Sensor, S4,     sonic,         sensorSONAR)
//*!!Code automatically generated by 'ROBOTC' configuration wizard               !!*//

task main()
{
  int distance_in_cm = 20;   // Create variable 'distance_in_cm' and initialize it to 20(cm).

   while(SensorValue[sonic] > distance_in_cm)   // While the Sonar Sensor readings are less than the specified, 'distance_in_cm':
   {
      motor[motorB] = 75;                     // Motor B is run at a 75 power level
      motor[motorC] = 75;                     // Motor C is run at a 75 power level
   }
   motor[motorB] = 0;    // Motor B is stopped at a 0 power level
   motor[motorC] = 0;    // Motor C is stopped at a 0 power level
}

  {
  while(true)
  motor(motorB) = -35;
  }