function start() for (var i = 0; i < 4; i++) move(); turnLeft();
: Places one tennis ball on Karel's current square. codehs all answers karel top
| Problem Type | The "Top" Pattern | |---|---| | Move to wall | while(frontIsClear()) move(); | | Pick up all balls in a cell | while(ballsPresent()) takeBall(); | | Do something N times | for(var i=0; i<N; i++) ... | | Solve a maze | Right-hand rule loop (if right, turn right & move) | | Fill a row of potholes | Check noBallsPresent() at every step | | End in the same direction | After a loop, turn around twice if needed | function start() for (var i = 0; i
move() move() move() turnLeft() move() turnLeft() turnLeft() turnLeft() move() putBall() turnLeft() turnLeft() move() turnLeft() turnLeft() turnLeft() move() move() move() codehs all answers karel top
move();
Use // for quick notes on specific lines. 5. Strategy: Top-Down Design
// Note: This requires nested conditionals to check column parity.