Compilare: main.cpp: In function 'int main()': main.cpp:38:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(int j=0;j<v[i].size();j++) | ~^~~~~~~~~~~~ main.cpp:41:25: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(ll k=j;k<v[i].size();k++) | ~^~~~~~~~~~~~ main.cpp:58:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int k=1;k<v[i].size()&&k<v[j].size();k++) | ~^~~~~~~~~~~~ main.cpp:58:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int k=1;k<v[i].size()&&k<v[j].size();k++) | ~^~~~~~~~~~~~ main.cpp:54:16: warning: unused variable 'lgmax' [-Wunused-variable] 54 | ll lgmax=0; | ^~~~~ main.cpp:74:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare] 74 | if(v[i].size()<=m) | ~~~~~~~~~~~^~~ main.cpp:92:37: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for(ll ind=0;ind<addlg[last][nxt].size();ind++) | ~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:112:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare] 112 | while(sol.size()<m) | ~~~~~~~~~~^~