Compilare: user.cpp: In function ‘int main()’: user.cpp:26:13: warning: unused variable ‘ind’ [-Wunused-variable] int ind = 0; ^ user.cpp:89:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0;j < aux.size();j ++) ^ user.cpp:22:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d\n",&p,&n); ^ user.cpp:25:30: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(v[i],cmax+5,in); ^