Compilare: main.cpp: In function 'int main()': main.cpp:50:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int p1 = 0; p1 < aux.size(); p1++) | ~~~^~~~~~~~~~~~ main.cpp:51:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for (int p2 = p1; p2 < aux.size(); p2++) | ~~~^~~~~~~~~~~~