Compilare: user.cpp: In function ‘int main()’: user.cpp:67:19: warning: variable ‘j’ set but not used [-Wunused-but-set-variable] int n,k,sol,p,j,i,pc,x; ^ user.cpp:68:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&k); ^ user.cpp:75:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&x); ^ user.cpp:88:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&x); ^