Compilare: user.cpp: In function ‘int main()’: user.cpp:19:37: warning: variable ‘cn’ set but not used [-Wunused-but-set-variable] long long n,t,i,d,p,nrdiv,sdiv,put,cn,s,e; ^ user.cpp:19:42: warning: unused variable ‘e’ [-Wunused-variable] long long n,t,i,d,p,nrdiv,sdiv,put,cn,s,e; ^ user.cpp:20:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssnd.in","r",stdin); ^ user.cpp:21:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ssnd.out","w",stdout); ^ user.cpp:22:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&t); ^ user.cpp:31:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&n); ^