Compilare: user.cpp: In function ‘int main()’: user.cpp:53:14: warning: unused variable ‘interesant’ [-Wunused-variable] bool interesant; ^ user.cpp:30:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&p,&n); ^ user.cpp:36:28: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s,5002,f); ^ user.cpp:56:31: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(a[i],5002,f); ^