Compilare: user.cpp: In function ‘void Initializare()’: user.cpp:16:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<vecini[i].size();j++) ^ user.cpp: In function ‘int main()’: user.cpp:49:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<vecini[j].size();k++) ^ user.cpp:30:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d ",&n,&m); ^ user.cpp:34:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%c %c ",&x,&y); ^