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#include <iostream> #include <vector> #include <cstring> #include <algorithm> #include <stack> using namespace std; int arr[5]; void rec(int i, vector<int> v) { if(i == 3) { for(int k = 0; k < v.size(); k++) { cout << v[k] << " "; } cout << endl; return; } rec(i + 1, v); vector<int> tmp_v = v; tmp_v.push_back(arr[i]); rec(i + 1, tmp_v); } int main() { vector<int> v; arr[0] = 1; arr[1] = 2; arr[2] = 3; rec(0, v); return 0; }
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