Compilare: user.cpp: In function ‘void setbit(long long unsigned int&, int, int)’: user.cpp:11:24: warning: unused variable ‘dr’ [-Wunused-variable] unsigned long long dr = 1; ^ user.cpp: In function ‘void semipal(int, long long unsigned int)’: user.cpp:19:14: warning: unused variable ‘ok’ [-Wunused-variable] int i=1, ok, dr; ^ user.cpp:20:24: warning: variable ‘st’ set but not used [-Wunused-but-set-variable] unsigned long long st; ^ user.cpp:21:30: warning: unused variable ‘P’ [-Wunused-variable] unsigned long long nr=1, P; ^ user.cpp: In function ‘int main()’: user.cpp:45:24: warning: unused variable ‘rez’ [-Wunused-variable] unsigned long long rez, rez2, R, rez3; ^ user.cpp:45:29: warning: unused variable ‘rez2’ [-Wunused-variable] unsigned long long rez, rez2, R, rez3; ^ user.cpp:45:35: warning: unused variable ‘R’ [-Wunused-variable] unsigned long long rez, rez2, R, rez3; ^ user.cpp:45:38: warning: unused variable ‘rez3’ [-Wunused-variable] unsigned long long rez, rez2, R, rez3; ^ user.cpp:46:12: warning: unused variable ‘i’ [-Wunused-variable] int T, i; ^ user.cpp:43:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("semipal.in","r",stdin); ^ user.cpp:44:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("semipal.out","w",stdout); ^ user.cpp:48:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ user.cpp:51:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %lld", &n, &k); ^