Compilare: user.cpp: In function ‘long long int cb()’: user.cpp:18:18: warning: left shift count >= width of type [enabled by default] ll L=1,R=(1<<32)-1,M; ^ user.cpp: In function ‘int main()’: user.cpp:33:42: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%I64d",GCD(X,abs(B-A+cb()*X))); ^ 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("holiday.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("holiday.out","w",stdout); ^ user.cpp:32:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld %lld",&A,&B,&X); ^