Compilare: user.cpp: In function ‘std::pair<int, int> Solvej(int)’: user.cpp:20:38: warning: unused variable ‘c’ [-Wunused-variable] int actNumber = 0, b = 0, a = 0, c = 0, d = 0; ^ user.cpp:20:45: warning: unused variable ‘d’ [-Wunused-variable] int actNumber = 0, b = 0, a = 0, c = 0, d = 0; ^ user.cpp: In function ‘void Solve()’: user.cpp:75:38: warning: unused variable ‘c’ [-Wunused-variable] int actNumber = 0, b = 0, a = 0, c = 0, d = 0; ^ user.cpp:75:45: warning: unused variable ‘d’ [-Wunused-variable] int actNumber = 0, b = 0, a = 0, c = 0, d = 0; ^