Compilare: main.cpp: In function 'int main()': main.cpp:30:18: 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] 30 | for(int i=0;i<l.size();i++) | ~^~~~~~~~~ main.cpp:42:18: 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<c.size();i++) | ~^~~~~~~~~ main.cpp:53:18: 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] 53 | for(int i=0;i<l.size();i++) | ~^~~~~~~~~ main.cpp:63:18: 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] 63 | for(int i=0;i<c.size();i++) | ~^~~~~~~~~