Compilare: main.cpp: In function 'void solve()': main.cpp:46:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for (long long j = 0; j < aux.size(); j++) | ~~^~~~~~~~~~~~ main.cpp:48:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for (long long k = j + 1; k < aux.size(); k++) | ~~^~~~~~~~~~~~ main.cpp:63:37: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for (long long j = 0; j < aux.size(); j++) | ~~^~~~~~~~~~~~ main.cpp:82:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for (long long j = 0; j < aux.size(); j++) | ~~^~~~~~~~~~~~ main.cpp:84:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for (long long k = j + 1; k < aux.size(); k++) | ~~^~~~~~~~~~~~ main.cpp:99:41: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for (long long k = 0; k < aux.size(); k++) | ~~^~~~~~~~~~~~