Ning Inc Interview Question
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Interview Question for Software Engineer at Ning Inc:
Sep 24, 2009
Describe an algorithm that sorts a list of numbers into alternating order, i.e. a < b > c < d > e....
| Tags: | algorithms See more , See less 8 |
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by anonymous:
Then swap each pair, skipping the first entry.
For example, start with:
1,2,3,4,5,6,7,8,9
after swap
1,3,2,5,4,7,6,9,8
thus
1<3>2<5>4<7>6<9>8