Compilare: main.cpp: In member function 'long long int Task::merge(int, int, int)': main.cpp:29:22: warning: unused variable 'n1' [-Wunused-variable] 29 | int sol = 0, n1 = mid - left + 1, n2 = right - mid; | ^~ main.cpp:29:43: warning: unused variable 'n2' [-Wunused-variable] 29 | int sol = 0, n1 = mid - left + 1, n2 = right - mid; | ^~ main.cpp: In member function 'void Task::print_output(int)': main.cpp:84:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for (int i = 0 ; i < t.size() ; i++ ) | ~~^~~~~~~~~~