drvca.cpp: In function 'long long int chk(std::vector<long long int>)':
drvca.cpp:11:14: 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]
11 | for(int i=1;i<A.size();i++){
| ~^~~~~~~~~
drvca.cpp: In function 'void ot(std::vector<long long int>)':
drvca.cpp:25:14: 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]
25 | for(int i=0;i<pl.size();i++){
| ~^~~~~~~~~~
drvca.cpp:42:14: 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]
42 | for(int i=0;i<A.size();i++){
| ~^~~~~~~~~
drvca.cpp:46:14: 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]
46 | for(int i=0;i<B.size();i++){
| ~^~~~~~~~~