Compilare: user.cpp: In function ‘int main()’: user.cpp:65:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;(1<<i)<=p;i++) ^ user.cpp:67:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( ( (1<<i) & p) ==(1<<i)) ^ user.cpp:71:20: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d",sol); ^ user.cpp:61:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lgput.in","r",stdin); ^ user.cpp:62:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lgput.out","w",stdout); ^ user.cpp:63:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&p); ^