Anna.cpp: In function 'std::pair<std::vector<int>, std::vector<int> > Anna(long long int)':
Anna.cpp:38:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
38 | while(X.size() < j/2)X.pb(0);
| ~~~~~~~~~^~~~~
Anna.cpp:39:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
39 | while(Y.size() < j/2)Y.pb(0);
| ~~~~~~~~~^~~~~
Bruno.cpp: In function 'long long int Bruno(std::vector<int>)':
Bruno.cpp:26:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | for(int j = 2; j < u.size(); j += 2) {
| ~~^~~~~~~~~~
Bruno.cpp: At global scope:
Bruno.cpp:17:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
17 | int variable_example = 0;
| ^~~~~~~~~~~~~~~~