Compilare: main.cpp: In function 'void solve()': main.cpp:58:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int i=1;i<v[1].size();i++) { | ~^~~~~~~~~~~~ main.cpp:64:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i=1;i<v[2].size();i++) { | ~^~~~~~~~~~~~ main.cpp:96:37: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 96 | for(idx1 = bs_pos; idx1 < validPos1.size() && validPos1[ idx1 ] <= biggestAccesiblePos; idx1++) { | ~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:117:37: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 117 | for(idx2 = bs_pos; idx2 < validPos2.size() && validPos2[idx2] <= biggestAccessiblePos; idx2++) { | ~~~~~^~~~~~~~~~~~~~~~~~