Compilare: user.cpp: In function ‘int main()’: user.cpp:14:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d\n",&p); ^ user.cpp:56:9: warning: ‘prl’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (prl==1) ^ user.cpp:61:9: warning: ‘prv’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (prv==1) ^ user.cpp:65:10: warning: ‘pc’ may be used uninitialized in this function [-Wmaybe-uninitialized] else if (pc=='S'){ ^