nextpermutation
时间: 2023-08-30 16:08:20 浏览: 61
next_permutation是一个STL函数,用于计算给定范围内的下一个排列。它的函数原型为:bool next_permutation(iterator start, iterator end)。该函数可以用来生成给定序列的下一个排列。例如,对于序列{a, b, c},next_permutation会生成下一个排列{a, c, b}。在函数的调用过程中,它会对给定范围内的元素进行全排列,并且改变这些元素的顺序。所以,如果你想要生成给定序列的所有可能排列,可以反复调用next_permutation直到返回false为止。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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