Compilare: user.cpp: In function ‘void DFSG(int)’: user.cpp:53:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<G[vf].size(); ++i) ^ user.cpp: In function ‘void DFST(int)’: user.cpp:62:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<T[vf].size(); ++i) ^ user.cpp: In function ‘void afisare()’: user.cpp:71:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<sol[i].size(); ++j) ^ user.cpp: In function ‘void citire()’: user.cpp:30:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.cpp:32:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &x, &y); ^