Method write

app/src/main/java/solver/Utils.java:358–367

(char[] arr, OutputStream out)

    }

    public static void write(char[] arr, OutputStream out) throws IOException {
        int len = arr.length;
        byte[] buf = new byte[len * 2];
        int idx = 0;
        for (int i = 0; i < len; i++) {
            buf[idx++] = (byte) (arr[i] & 0xff);
            buf[idx++] = (byte) ((arr[i] >>> 8) & 0xff);
        }
        out.write(buf);
    }

    public static void write(int[] arr, OutputStream out) throws IOException {
        int len = arr.length;