Eroare de compilare: main.cpp: In function 'int main()': main.cpp:120:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 120 | for(int i = 0 ; i < A.size() ; i++) | ~~^~~~~~~~~~ main.cpp:157:38: error: 'leaves' was not declared in this scope 157 | int p_chain_x = par[ leaves[chain[x]].back() ]; | ^~~~~~ Non zero exit status: 1