I don't know why I expected anything else really. I kind of lost interest half way through the interview. I guess the more experienced you get, the shorter the honeymoon period is, but I never expected it to turn into a dry hump half way through the first date.
I guess I'll see if I put them off with my answer to the "visualisation exercise". I'm in a sunny park. What do I see, and how do I feel? "Blokes with swords. Cross dressing women. Pugilistic."
I've never played off two companies before, but I think this might be the time. One go at bumping the offer from Potential Less Crap Corp, then see if Current Crap Corp will beat it, or head off to Potential Less Crap Corp and reset the Crap Clock a couple of years.
So, anyway. There's this circular prison, right, with cells round the outside. The cells are numbered from 1 to 100 and all start closed. One day, the warden decides to run round all the cells and flip the state of the doors (to open). Then he runs round again, and this time he flips every second door, starting with the second. Then he goes round again, and flips every third door, starting with the third, and so on, and so forth.
At any given circuit, how would you calculate whether a given door is open or not? Also, after a given circuit, how many doors are open? Show your working calculations.
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