Playground
#include <iostream> #include <deque> using namespace std; int main() { deque<int> d; for (int i=0; i<3; i++) d.push_back(i); //d={0, 1, 2} for (int i=0; i<3; i++) d.push_front(i); //d={2, 1, 0, 0, 1, 2} int s = 0; for (int i=0; i < (int)d.size(); i++) s += d[i]; cout << s << endl; //pechati '6' return 0; }
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