01.// zuhe.cpp : 定义控制台应用程序的入口点。
02.//
03.
04.#include "stdio.h"
05.#include "stdlib.h"
06.#include "iostream"
07.#include "vector"
08.
09.using namespace std;
10.
11.vector<int> team;
12.vector<vector<int》 Teams;
13.
14.void getAll(int * arr, int i, int k,int n);
15.
16.int main(int argc, char * argv[])
17.{
18. int arr[] = {1,2,3,4};
19. //getAll(arr, 0, 2, 4);
20.
21. int n = 4;
22. for(int k = 1; k <= 4; k++)
24. getAll(arr, 0, k, n);
25. }
26.
27. system("pause");
28. return 0;
29.}
30.
31.void getAll(int * arr, int i, int k,int n)
32.{
33. if(team.size() == k)
34. {
35. Teams.push_back(team);
36. return;
37. }
38.
39. for(int j = i; j < n; j++)
40. {
41. team.push_back(arr[j]);
42. getAll(arr, j + 1, k, n);
43. team.pop_back();
44. }
45.}