Compilare: main.cpp: In function 'void dfs(int, std::vector<bool>&, std::vector<std::vector<int> >&, std::vector<int>&)': main.cpp:14:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i = 0; i < lists[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void deleteLeafs(std::vector<int>&, std::vector<std::vector<int> >&, std::vector<int>&)': main.cpp:22:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int i = 0; i < ccNodes.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:26:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(int i = 0; i < leafs.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:27:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int j = 0; j < lists[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~