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(f,"%d%d",&n,&p); ^ user.cpp:16:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lf",&val); ^ user.cpp:21:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lf",&val); ^ user.cpp:24:26: warning: ‘oldval’ may be used uninitialized in this function [-Wmaybe-uninitialized] heap.push(primval+360-oldval); ^