Compilare: user.cpp: In function ‘long long int solve(long long int, long long int)’: user.cpp:22:15: warning: unused variable ‘a1’ [-Wunused-variable] long long a1=b/2; ^ user.cpp:23:15: warning: unused variable ‘a2’ [-Wunused-variable] long long a2=aux%lgput(10,(b/2+b%2)); ^ user.cpp:24:15: warning: unused variable ‘a3’ [-Wunused-variable] long long a3=lgput(B,b/2)+1; ^ user.cpp:25:15: warning: unused variable ‘a4’ [-Wunused-variable] long long a4=(b/2+b%2)*aux; ^ user.cpp: In function ‘int main()’: user.cpp:30:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("valuare.in","r",stdin); ^ user.cpp:31:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("valuare.out","w",stdout); ^ user.cpp:32:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld",&B,&P); ^