Interview Question for SDE-2s
- 3of 3 votes
Imagine a man reading a book.- zr.roman November 16, 2015 in Russia
He can perform only 2 possible actions of reading:
1) read a page in a minute (careful reading),
2) read two pages in a minute (look through).
Nothing else is permitted.
Calculate the number of all possible combinations of book reading ways with given number of pages.
Example: given 3 pages.
Answer is 3 combinations, as follows:
1st: Careful reading (1) - careful reading (1) - careful reading (1),
2nd: Careful reading (1) - look through (2),
3rd: Look through (2) - careful reading (1).
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