Compilare: main.cpp: In function 'void DFS(int)': main.cpp:22:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for (int i=0; i<v[k].size(); ++i) | ~^~~~~~~~~~~~ main.cpp: In function 'void DFSt(int)': main.cpp:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (int i=0; i<vt[k].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In function 'void DF(int)': main.cpp:36:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for (int i=0; i<tare[k].size(); ++i) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'void procesare()': main.cpp:54:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for (i=0; i<noduri[st[1]].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:66:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for (j=0; j<tare[st[i]].size(); ++j) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:45:11: warning: unused variable 'stiva' [-Wunused-variable] 45 | int i,stiva=0,var=0; | ^~~~~ main.cpp: In function 'int main()': main.cpp:106:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for (j=0; j<noduri[i].size(); ++j)//pentru fiecare nod din componenta tare conexa | ~^~~~~~~~~~~~~~~~~ main.cpp:109:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 109 | for (o=0; o<v[nod].size(); ++o)//verific vecinii | ~^~~~~~~~~~~~~~