Compilare: main.cpp: In function 'void dfs(int)': main.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for (l = 0; l < ad[nod].size(); l++) | ~~^~~~~~~~~~~~~~~~ main.cpp:22:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for (l = 0; l < ad[nod].size(); l++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:36:24: warning: unused variable 'j' [-Wunused-variable] 36 | int n, m, a, b, i, j; | ^ main.cpp: In function 'int findcul(int)': main.cpp:16:1: warning: control reaches end of non-void function [-Wreturn-type] 16 | } | ^