직접구현1 [백준/BOJ][C++] 18258번 큐 2 #include #include using namespace std; struct Queue { private: int* elements; int frontIndex; int backIndex; public: Queue(int n) { elements = new int[n]; frontIndex = 0; backIndex = -1; } ~Queue() {} void push(int x) { elements[++backIndex] = x; } int pop() { if (empty()) return -1; else { return elements[frontIndex++]; } } int size() { return backIndex - frontIndex + 1; } bool empty() { if (fr.. 2023. 8. 24. 이전 1 다음
