Compilare: main.cpp: In function 'void DFS(int, int*)': main.cpp:14:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(i=0; i<muchiecu[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS1(int, int*)': main.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(i=0; i<muchiecu2[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS2(int, int*)': main.cpp:40:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(i=0; i<muchiecu2[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~