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- //: C20:PriorityQueue2.cpp
- // From Thinking in C++, 2nd Edition
- // Available at http://www.BruceEckel.com
- // (c) Bruce Eckel 1999
- // Copyright notice in Copyright.txt
- // Changing the priority
- #include <iostream>
- #include <queue>
- #include <cstdlib>
- #include <ctime>
- using namespace std;
-
- struct Reverse {
- bool operator()(int x, int y) {
- return y < x;
- }
- };
-
- int main() {
- priority_queue<int, vector<int>, Reverse> pqi;
- // Could also say:
- // priority_queue<int, vector<int>,
- // greater<int> > pqi;
- srand(time(0));
- for(int i = 0; i < 100; i++)
- pqi.push(rand() % 25);
- while(!pqi.empty()) {
- cout << pqi.top() << ' ';
- pqi.pop();
- }
- } ///:~
-