Compilare: user.cpp: In function ‘void afiseazaV()’: user.cpp:41:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<V.size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:106:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<V.size(); i++) { ^ user.cpp:117:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (crin!=W.size() && W[crin].s == t) { ^ user.cpp:134:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (crout!=V.size() && V[crout].p == t) { ^ user.cpp:57:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d\n",&n,&m,&b); ^ user.cpp:60:29: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(buff, 50, fin); ^