Compilare: main.cpp: In function 'void solve2()': main.cpp:57:20: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 57 | if (ans.size() < K && 1 + ans[0] <= ans[1]) | ~~~~~~~~~~~^~~ main.cpp:60:24: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 60 | if (ans.size() < K && 1 + ans[0] <= ans[1]) | ~~~~~~~~~~~^~~ main.cpp:66:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for (int i = 1 ; i < ans.size() - 1 ; ++ i) | ~~^~~~~~~~~~~~~~~~ main.cpp:68:24: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 68 | if (ans.size() == K) break; | ~~~~~~~~~~~^~~~ main.cpp:73:23: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 73 | while (ans.size() < K) | ~~~~~~~~~~~^~~