insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:31:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | if(x==v.size()){
| ~^~~~~~~~~~
insects.cpp:43:24: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | for(ll i=0;i<remove.size()-1;i++)
| ~^~~~~~~~~~~~~~~~
insects.cpp:48:23: 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]
48 | for(ll i=0;i<v.size();i++)
| ~^~~~~~~~~
insects.cpp:52:25: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
52 | for(ll i=0;i<remove.size()-1;i++)
| ~^~~~~~~~~~~~~~~~
insects.cpp:58:23: 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]
58 | for(ll i=0;i<v.size();i++){
| ~^~~~~~~~~
insects.cpp:68:23: 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]
68 | for(ll i=0;i<v.size();i++)
| ~^~~~~~~~~
insects.cpp:28:10: warning: unused variable 'last' [-Wunused-variable]
28 | ll last=0;
| ^~~~