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- #include <iostream>
- #include <vector>
- #include <stdlib.h>
- using namespace std;
- void ispisi(vector<int> v, int n)
- {
- int i;
- for(i = 0; i < n; i++)
- cout << v[i] << " ";
- cout << endl;
- }
- void oboj(vector<int> v, int index, int n)
- {
- if (index == n)
- ispisi(v, n);
- else
- {
- for(int i=1; i <= 3; i++)
- {
- if(v[index] != i)
- {
- v[index+1] = i;
- oboj(v, index + 1, n);
- }
- }
- }
- }
- int main()
- {
- int n;
- cin >> n;
- vector<int> v(n);
- for(int i = 0; i < 3; i++)
- {
- v[0] = i+1;
- oboj(v, 0, n);
- }
- return 0;
- }
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