CodinGame: Skynet - The Chasm

skynet-the-chasm.js

/**
 * Auto-generated code below aims at helping you parse
 * the standard input according to the problem statement.
 **/

var road = parseInt(readline()); // the length of the road before the gap.
var gap = parseInt(readline()); // the length of the gap.
var platform = parseInt(readline()); // the length of the landing platform.

var RoadAndGapLength = road+gap;
var maxSpeed = gap + 1;

function needJump(speed, coordX){
    return (road - speed - coordX) < 0 && coordX < RoadAndGapLength;
}

function needSlow(speed, coordX){
    return coordX >= RoadAndGapLength || speed > maxSpeed
}

function needSpeed(speed, coordX){
    return speed < maxSpeed
}

function needWait(speed, coordX){
    return speed == maxSpeed
}

// game loop
while (true) {
    
    var speed = parseInt(readline()); // the motorbike's speed.
    var coordX = parseInt(readline()); // the position on the road of the motorbike.
    
    // Write an action using print()
    // To debug: printErr('Debug messages...');
    
    switch(true) {
        case (needJump(speed, coordX)):
            print('JUMP');
            break;
        case (needSlow(speed, coordX)):
            print('SLOW');
            break;
        case (needWait(speed, coordX)):
            print('WAIT');
            break;
        case (needSpeed(speed, coordX)):
            print("SPEED");
            break;
    }
    // A single line containing one of 4 keywords: SPEED, SLOW, JUMP, WAIT.
}