Compilare: user.cpp: In function ‘int main()’: user.cpp:5:11: warning: unused variable ‘f’ [-Wunused-variable] FILE *f=freopen("dezastru.in","r",stdin), ^ user.cpp:6:6: warning: unused variable ‘g’ [-Wunused-variable] *g=freopen("dezastru.out","w",stdout); ^ user.cpp:9:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%hd %hd",&n,&k); ^ user.cpp:11:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf",&val[i]); ^