how to use priority queue comparator stl c 2b 2b

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showing results for - "how to use priority queue comparator stl c 2b 2b"
Jose
02 Jun 2016
1class Foo
2{
3
4};
5
6class Compare
7{
8public:
9    bool operator() (Foo, Foo)
10    {
11        return true;
12    }
13};
14
15int main()
16{
17    std::priority_queue<Foo, std::vector<Foo>, Compare> pq;
18    return 0;
19}
20
source
Marie
20 Feb 2017
1void SamplePriorityQueueWithLamda()
2{
3    // using lambda to compare elements.
4    auto compare = [](int lhs, int rhs)
5                {
6                    return lhs < rhs;
7                };
8
9    std::priority_queue<int, std::vector<int>, decltype(compare)> q(compare);
10
11    for(int n : {1,8,5,6,3,4,0,9,7,2})
12        q.push(n);
13
14
15    printQueue(q);
16}
17
source
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