Compilare: main.cpp:137:9: warning: "/*" within comment [-Wcomment] 137 | /*for(int j = 0; j < C.size(); j++){ | main.cpp: In function 'void dfsA(int)': main.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i = 0; i < v[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfsB(int)': main.cpp:30:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i = 0; i < v[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:40:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i = 0; i < v[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int i = 0; i < A.size(); i++) s.insert(A[i].first); | ~~^~~~~~~~~~ main.cpp:84:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for(int i = 0; i < B.size(); i++) s1.insert(B[i].first); | ~~^~~~~~~~~~ main.cpp:91:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(int i = 0; i < B.size(); i++){ | ~~^~~~~~~~~~ main.cpp:102:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int i = 0; i < A.size(); i++){ | ~~^~~~~~~~~~ main.cpp:86:9: warning: variable 'len' set but not used [-Wunused-but-set-variable] 86 | int len = 0; char care = 0; | ^~~ main.cpp:86:23: warning: variable 'care' set but not used [-Wunused-but-set-variable] 86 | int len = 0; char care = 0; | ^~~~