STL笔记之priority_queue 优先级队列

/*自定义priority_queue优先级*/#include <iostream>#include <queue>using namespace std;struct cmp{bool operator()(int a, int b){return a> b;}};int main(){priority_queue<int, vector<int>, cmp> a;a.push(5);a.push(6);a.push(7);cout << a.top();system("pause");}