Compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:44:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < L[node].size(); i++) { ^ user.cpp: In function ‘void DF(int, int)’: user.cpp:83:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < L[node].size(); i++) { ^ user.cpp: In function ‘int main()’: user.cpp:155:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < Enter.size(); i++) { ^ user.cpp:175:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < Exit.size(); i++) { ^ user.cpp:189:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < min(Enter.size(), Exit.size()); i++) ^ user.cpp:192:65: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = min(Enter.size(), Exit.size()); i < Enter.size(); i++) ^ user.cpp:195:64: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = min(Enter.size(), Exit.size()); i < Exit.size(); i++) ^ user.cpp:209:65: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = min(Enter.size(), Exit.size()); i < Enter.size(); i++) ^ user.cpp:212:64: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = min(Enter.size(), Exit.size()); i < Exit.size(); i++) ^ user.cpp:213:49: warning: ‘representantC’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << representant[Exit[i]] << " " << representantC << "\n"; ^