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:88:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<V.size();i++) { ^ user.cpp:137:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<V.size(); i++) { ^ user.cpp:147:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<in[R[t]].size();j++) { ^ user.cpp:164:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<out[R[t]].size();j++) { ^ user.cpp:48:38: 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:51:29: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(buff, 50, fin); ^