Compilare: main.cpp: In function 'void solve2()': main.cpp:70:50: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 70 | if(begin + j - i == end && v2.size() == j - i + 1){ | ~~~~~~~~~~^~~~~~~~~~~~ main.cpp:54:33: warning: unused variable 'mini' [-Wunused-variable] 54 | int lmax = 0, secvente = 0, mini = 0, maxi = 0, begin = 0, end = 0; | ^~~~ main.cpp:54:43: warning: unused variable 'maxi' [-Wunused-variable] 54 | int lmax = 0, secvente = 0, mini = 0, maxi = 0, begin = 0, end = 0; | ^~~~