bobek.cpp: In function 'std::vector<long long int> process(std::vector<long long int>&)':
bobek.cpp:11:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j = 0; j < v.size(); j++) if(i >> j & 1)
                        ~~^~~~~~~~~~
bobek.cpp: In function 'int main()':
bobek.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %lld", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~~~
bobek.cpp:26:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &a);
         ~~~~~^~~~~~~~~~~~
bobek.cpp:30:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &a);
         ~~~~~^~~~~~~~~~~~