Compilare: user.cpp: In function ‘int main()’: user.cpp:21:11: warning: unused variable ‘p’ [-Wunused-variable] int x,p,p1,p2,j,lst,minim; ^ user.cpp:22:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d\n%d",&n,&x); ^ user.cpp:26:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&x); ^