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33 lines
824 B
C++
33 lines
824 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <queue>
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// priority_queue();
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// template <class T, class Container, class Compare>
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// void swap(priority_queue<T, Container, Compare>& x,
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// priority_queue<T, Container, Compare>& y);
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#include <queue>
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#include <cassert>
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int main()
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{
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std::priority_queue<int> q1;
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std::priority_queue<int> q2;
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q1.push(1);
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q1.push(3);
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q1.push(2);
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swap(q1, q2);
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assert(q1.empty());
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assert(q2.size() == 3);
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assert(q2.top() == 3);
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}
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