Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:44:47: error: ‘EPS’ was not declared in this scope events.push_back({rig+EPS,-v[i].cost}); ^ user.cpp:44:62: error: no matching function for call to ‘std::vector<std::pair<double, long long int> >::push_back(<brace-enclosed initializer list>)’ events.push_back({rig+EPS,-v[i].cost}); ^ In file included from /usr/include/c++/5/vector:64:0, from /usr/include/c++/5/bits/random.h:34, from /usr/include/c++/5/random:49, from /usr/include/c++/5/bits/stl_algo.h:66, from /usr/include/c++/5/algorithm:62, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/stdc++.h:64, from user.cpp:1: /usr/include/c++/5/bits/stl_vector.h:913:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<double, long long int>; _Alloc = std::allocator<std::pair<double, long long int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<double, long long int>] push_back(const value_type& __x) ^ /usr/include/c++/5/bits/stl_vector.h:913:7: note: no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘const value_type& {aka const std::pair<double, long long int>&}’ /usr/include/c++/5/bits/stl_vector.h:931:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<double, long long int>; _Alloc = std::allocator<std::pair<double, long long int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<double, long long int>] push_back(value_type&& __x) ^ /usr/include/c++/5/bits/stl_vector.h:931:7: note: no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘std::vector<std::pair<double, long long int> >::value_type&& {aka std::pair<double, long long int>&&}’ user.cpp:15:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("katyusha.in","r",stdin); ^ user.cpp:16:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("katyusha.out","w",stdout); ^ user.cpp:18:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ user.cpp:20:81: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf%lf%lf%lld",&v[i].x0,&v[i].y0,&v[i].x1,&v[i].y1,&v[i].cost); ^ user.cpp:25:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf%lf",&x,&y,&r); ^