Compilare: main.cpp: In function 'void solve()': main.cpp:42:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (long long j = 0; j < aux.size(); j++) | ~~^~~~~~~~~~~~ main.cpp:44:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for (long long k = j + 1; k < aux.size(); k++) | ~~^~~~~~~~~~~~ main.cpp:59:37: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for (long long j = 0; j < aux.size(); j++) | ~~^~~~~~~~~~~~ main.cpp:78:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (long long j = 0; j < aux.size(); j++) | ~~^~~~~~~~~~~~ main.cpp:80:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for (long long k = j + 1; k < aux.size(); k++) | ~~^~~~~~~~~~~~ main.cpp:95:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 95 | for (long long k = 0; k < aux.size(); k++) | ~~^~~~~~~~~~~~