# Basic Information of Integer Partition Algorithm

suggest changeThe partition of an integer is a way of writing it as a sum of positive integers. For example, the partitions of the number 5 are:

- 5
- 4 + 1
- 3 + 2
- 2 + 2 + 1
- 2 + 1 + 1 + 1
- 1 + 1 + 1 + 1 + 1

Notice that changing the order of the summands will not create a different partition.

The partition function is inherently recursive in nature since the results of smaller numbers appear as components in the result of a larger number. Let *p(n,m)* be the number of partitions of *n* using only positive integers that are less than or equal to *m*. It may be seen that *p(n)* = *p(n,n)*, and also *p(n,m)* = *p(n,n)* = *p(n)* for *m* > *n*.

**Example of Integer Partition Algorithm:**

**Auxiliary Space:** `O(n^2)`

**Time Complexity:** `O(n(logn))`

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