next_permutation

C/C++ Reference

next_permutation
Syntax:
  #include <algorithm>
  bool next_permutation( iterator start, iterator end );
  bool next_permutation( iterator start, iterator end, StrictWeakOrdering cmp );

The next_permutation() function attempts to transform the given range of elements [start,end) into the next lexicographically greater permutation of elements. If it succeeds, it returns true, otherwise, it returns false.

If a strict weak ordering function object cmp is provided, it is used in lieu of the < operator when comparing elements.

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