Compilare: main.cpp: In function 'void dfs(int)': main.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (i = 0; i < ad[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~ 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 (i = 0; i < ad[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:33:27: warning: unused variable 'j' [-Wunused-variable] 33 | int n, m, k, a, b, i, j; | ^ main.cpp: In function 'int findcul(int)': main.cpp:13:1: warning: control reaches end of non-void function [-Wreturn-type] 13 | } | ^