C++ STL 排列 next_permutation prev_permutation
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main()
{
vector<int> vec1;
for (int k=0;k<5;k++)
{
vec1.push_back(rand());
}
vector<int>::iterator vec_iter1;
for (vec_iter1 = vec1.begin();vec_iter1 != vec1.end();++vec_iter1)
{
cout << *vec_iter1 << " ";
}
cout << endl;
cout << "----------------------------------" << endl;
while (next_permutation(vec1.begin(),vec1.end()))
{
for (vector<int>::iterator vec_iter2 = vec1.begin(); vec_iter2 != vec1.end(); ++vec_iter2)
{
cout << *vec_iter2 << " ";
}
cout << endl;
cout << "----------------------------------" << endl;
}
system("pause");
return 0;
}
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请按任意键继续. . .
