Eroare de compilare: main.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas] #pragma GCC optimization ("O3") main.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas] #pragma GCC optimization ("unroll-loops") main.cpp: In function 'int main()': main.cpp:82:37: error: no matching function for call to 'std::vector<std::pair<long long int, long long int> >::emplace_back(<brace-enclosed initializer list>)' nod[x].v.emplace_back({y, c}); ^ In file included from /usr/include/c++/6/vector:69:0, from /usr/include/c++/6/queue:61, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:86, from main.cpp:1: /usr/include/c++/6/bits/vector.tcc:91:7: note: candidate: void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {}; _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >] vector<_Tp, _Alloc>:: ^~~~~~~~~~~~~~~~~~~ /usr/include/c++/6/bits/vector.tcc:91:7: note: candidate expects 0 arguments, 1 provided main.cpp:83:37: error: no matching function for call to 'std::vector<std::pair<long long int, long long int> >::emplace_back(<brace-enclosed initializer list>)' nod[y].v.emplace_back({x, c}); ^ In file included from /usr/include/c++/6/vector:69:0, from /usr/include/c++/6/queue:61, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:86, from main.cpp:1: /usr/include/c++/6/bits/vector.tcc:91:7: note: candidate: void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {}; _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >] vector<_Tp, _Alloc>:: ^~~~~~~~~~~~~~~~~~~ /usr/include/c++/6/bits/vector.tcc:91:7: note: candidate expects 0 arguments, 1 provided Non zero exit status: 1