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C++:库函数优先级队列(priority_queue)输出最小值 代码2014-11-11库函数优先级队列(priority_queue)的实现方式是堆(heap), 默认是输出最大值.

输出最小值, 需要指定参数, priority_queue<int, vector<int>, greater<int> >

代码:

/** main.cpp**Created on: 2014.7.20* *Author: spike*//*eclipse cdt, gcc 4.8.1*/#include <stdio.h>#include <queue>#include <vector>#include <functional>using namespace std;int main(void){priority_queue<int, vector<int>, greater<int> > pque;pque.push(3);pque.push(5);pque.push(1);pque.push(4);while (!pque.empty()) {printf("%d ", pque.top());pque.pop();}printf("
");return 0;}
输出:

1 3 4 5
作者:csdn博客 Spike_King