Eroare de compilare in evaluator: user.cpp:2:23: error: algorithm.h: No such file or directory user.cpp: In function 'float upolar(point, point)': user.cpp:20: error: 'fabs' was not declared in this scope user.cpp: In function 'float dist(point, point)': user.cpp:27: error: 'pow' was not declared in this scope user.cpp:27: error: 'sqrt' was not declared in this scope user.cpp: In function 'bool operator<(const point&, const point&)': user.cpp:34: error: 'fabs' was not declared in this scope user.cpp:39: error: 'fabs' was not declared in this scope user.cpp: In function 'void sort_pc(point*, int&)': user.cpp:63: error: 'swap' was not declared in this scope user.cpp:68: error: 'sort' was not declared in this scope user.cpp: In function 'int exista(point)': user.cpp:132: error: 'fabs' was not declared in this scope user.cpp: In function 'void solve()': user.cpp:166: error: 'fabs' was not declared in this scope