Compilare: main.cpp: In function 'void DFS(int)': main.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i=0; i<la[nod].size(); i++) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'void DFST(int)': main.cpp:32:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for(int i=0; i<lat[nod].size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(int i=0; i<solutie.size(); i++) | ~^~~~~~~~~~~~~~~ main.cpp:72:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | {for(int j=0; j<solutie[i].size(); j++) | ~^~~~~~~~~~~~~~~~~~