44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
/*
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VIM: let b:cf5build="clang -std=c++20 -O2 -pthread -lstdc++ -I. {SRC} -o {OUT}"
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VIM: let b:cf5run="{OUT}"
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*/
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#include <iostream>
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#include <exception>
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#include <chrono>
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#include <set>
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int main ( void )
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{try{
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auto begin = std::chrono::high_resolution_clock::now();
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std::set<int> s({1, 2, 3, 4, 5});
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//......
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auto it = s.begin();
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for (int i = 0; i < 10; i++){
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std::cout << *it++ << ", " << std::endl;
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}
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std::cout << "-------" << std::endl;
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it = s.end();
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for (int i = 0; i < 10; i++){
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std::cout << *it-- << ", " << std::endl;
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}
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auto end = std::chrono::high_resolution_clock::now();
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std::chrono::duration<double> seconds = end - begin;
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std::cout << "Time: " << seconds.count() << std::endl;
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return 0;
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}
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catch ( const std::exception& e )
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{
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std::cerr << std::endl
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<< "std::exception(\"" << e.what() << "\")." << std::endl;
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return 2;
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}
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catch ( ... )
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{
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std::cerr << std::endl
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<< "unknown exception." << std::endl;
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return 1;
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}}
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