CodinGame - Mars Lander - Level 1

        int N = in.nextInt(); // the number of points used to draw the surface of Mars.

        int prevLAND_X = -1;
        int prevLAND_Y = -1;
        int startX = -1;
        int endX = -1;
        int startY = -1;
        int endY = -1;
        for (int i = 0; i < N; i++) {
            int LAND_X = in.nextInt(); // X coordinate of a surface point. (0 to 6999)
            int LAND_Y = in.nextInt(); // Y coordinate of a surface point. By linking all the points together in a sequential fashion, you form the surface of Mars.

            if(LAND_Y == prevLAND_Y && (LAND_X - prevLAND_X) >= 1000) { // 1000 gap
                startX = prevLAND_X;
                endX = LAND_X;

                startY = prevLAND_Y;
                endY = LAND_Y;
            }

            prevLAND_X = LAND_X;
            prevLAND_Y = LAND_Y;
        }

        int rot = 0;
        int pow = 3;

        // game loop
        while (true) {
            final int X = in.nextInt(); // x coordinate of mars lander
            final int Y = in.nextInt(); // y coordinate of mars lander
            final int HS = in.nextInt(); // the horizontal speed (in m/s), can be negative.
            final int VS = in.nextInt(); // the vertical speed (in m/s), can be negative.
            final int F = in.nextInt(); // the quantity of remaining fuel in liters.
            final int R = in.nextInt(); // the rotation angle in degrees (-90 to 90).
            final int P = in.nextInt(); // the thrust power (0 to 4).

            // define rotation and power
            if(X >= startX && X <= endX) {
                rot = 0;
            }

            // define power
            if(VS < -30 && P < 4) {
                System.err.println("Power increased.");
                pow = P + 1;
            }

            if(VS > -10 && P > 1) {
                System.err.println("Power decreased.");
                pow = P - 1;
            }

            System.out.println(rot + " " + pow); // R P. R is the desired rotation angle. P is the desired thrust power.
        }