I don't think being (reasonably) late matters much as long as you do a good job. Try giving a bit more than asked and explain your thought process clearly. If

I don't think being (reasonably) late matters much as long as you do a good job. Try giving a bit more than asked and explain your thought process clearly. If you can't come up with a full solution at least mention what you would like to try if you had more time. ALWAYS write in a positive tone, try avoiding words like "can't" and "difficult". Provide a short summary about what you learned with the test. I got offers this way despite being late for several hours or even days.