Compilare: main.cpp: In function 'void DFS(int)': main.cpp:18:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int i=0; i<v[k].size(); ++i) | ~^~~~~~~~~~~~ main.cpp: In function 'void DFSt(int)': main.cpp:26:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int i=0; i<vt[k].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In function 'void DF(int)': main.cpp:32:20: 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<tare[k].size(); ++i) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'void procesare()': main.cpp:50:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (i=0; i<noduri[st[1]].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:62:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (j=0; j<tare[st[i]].size(); ++j) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:41:11: warning: unused variable 'stiva' [-Wunused-variable] 41 | int i,stiva=0,var=0; | ^~~~~ main.cpp: In function 'int main()': main.cpp:102:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for (j=0; j<noduri[i].size(); ++j)//pentru fiecare nod din componenta tare conexa | ~^~~~~~~~~~~~~~~~~ main.cpp:105:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for (o=0; o<v[nod].size(); ++o)//verific vecinii | ~^~~~~~~~~~~~~~