Compilare: user.cpp: In function ‘void create_rmq()’: user.cpp:12:10: warning: unused variable ‘x’ [-Wunused-variable] long x=1,sav; ^ user.cpp: In function ‘int main()’: user.cpp:61:15: warning: statement has no effect [-Wunused-value] for (j;j<=st;j++) ^ user.cpp:42:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("comisia.in","r",stdin); ^ user.cpp:44:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&n); ^ user.cpp:47:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&v[i]); ^ user.cpp:52:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&x); ^