代碼
1 #include <iostream>
2 #include<string>
3 #include <vector>
4 #include <algorithm>
5 using namespace std;
6
7 vector<vector<char>> res;
8
9 void getZiji(vector<char> &data)
10 {
11 const int mySize = data.size();
12 int Count = res.size();
13 int i=0,index=0;
14 while (index<mySize)
15 {
16 Count = res.size();
17 i=0;
18 for (;i<Count;i++)
19 {
20 vector<char> temp;
21 temp = res[i];
22 temp.push_back(data[index]);
23 res.push_back(temp);
24 }
25 index++;
26
27 }
28 }
29 void getZiji(vector<char> &data,int index)
30 {
31 if(0 == index)
32 {
33 vector<char> temp;
34 temp.push_back(data[index]);
35 res.push_back(temp);
36 return;
37 }
38 getZiji(data,index-1);
39 int Count = res.size();
40 for (int i=0;i<Count;i++)
41 {
42 vector<char> temp;
43 temp = res[i];
44 temp.push_back(data[index]);
45 res.push_back(temp);
46 }
47 }
48
49 int main()
50 {
51 vector<char> data;
52 data.push_back('a');
53 data.push_back('b');
54 data.push_back('c');
55 vector<char> temp;
56 res.push_back(temp);
57
58 getZiji(data,data.size()-1);
59 return 0;
60 } 轉載于:https://www.cnblogs.com/LCCRNblog/p/5842101.html