0_0_8198749_28995.cpp:40: error: redefinition of `std::set<std::string, std::less<std::string>, std::allocator<std::string> > coll'
0_0_8198749_28995.cpp:6: error: `std::set<std::string, std::less<std::string>, std::allocator<std::string> > coll' previously declared here
0_0_8198749_28995.cpp: In function `int main()':
0_0_8198749_28995.cpp:42: error: redefinition of `int main()'
0_0_8198749_28995.cpp:8: error: `int main()' previously defined here
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