that seems a bit far fetched. the way i understand n, it means " f input ", as "the parameter that f takes as input, whose type is an integer". Anyway, that's p

that seems a bit far fetched. the way i understand n, it means " f input ", as "the parameter that f takes as input, whose type is an integer". Anyway, that's probably just one way of reading the question. Really depends on what the interviewer's intention was.