Compilare: main.cpp: In function 'int lcs(const std::vector<int>&, const std::vector<int>&, std::vector<int>&)': main.cpp:15:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(int i = 1; i <= a.size(); i++){ | ~~^~~~~~~~~~~ main.cpp:16:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int j = 1; j <= b.size(); j++){ | ~~^~~~~~~~~~~