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I assume that O(n^4) means the number of operations is ^4. What's the name of this notation; how can I find out more? Is there a method to assist in converting an O(n^6) solution to O(n^4) or less?

Thanks

you can check this :

http://en.wikipedia.org/wiki/Big_O_notation

alternate wrote:I assume that O(n^4) means the number of operations is ^4. What's the name of this notation; how can I find out more? Is there a method to assist in converting an O(n^6) solution to O(n^4) or less?

Thanks

Read great misof's article on computational complexity at topcoder: Part 1, Part 2.