Compilare: main.cpp: In function 'long long int numberOfInversions(int, int, int*)': main.cpp:28:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for (int i = 0; i < aux.size(); i++) | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:50:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int i = 0; i < v.size(); i++) | ~~^~~~~~~~~~