Compilare: user.cpp: In function ‘int main()’: user.cpp:11:13: warning: variable ‘sf’ set but not used [-Wunused-but-set-variable] int n,k,sf,i,inc,mini=2000000000,p,u,maxi; ^ user.cpp:11:18: warning: variable ‘inc’ set but not used [-Wunused-but-set-variable] int n,k,sf,i,inc,mini=2000000000,p,u,maxi; ^ user.cpp:12:30: 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:14:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&v[i]); ^