Borderou de evaluare (job #665088)

Compilare: main.cpp: In static member function 'static bool Button::are_equal(std::vector<Button*>)': main.cpp:17:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Button*>::size_type' {aka 'unsigned int'} [-Wsign-compare] 17 | for (int i = 0; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp: In static member function 'static void Button::find_highest(std::vector<Button*>, int*, int*)': main.cpp:28:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Button*>::size_type' {aka 'unsigned int'} [-Wsign-compare] 28 | for (int i = 0; i < b.size(); i++) { | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:85:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Button*>::size_type' {aka 'unsigned int'} [-Wsign-compare] 85 | else if (index_hig == b.size() -1) { succ = NULL; pred = b[index_hig - 1];} | ~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:92:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Button*>::size_type' {aka 'unsigned int'} [-Wsign-compare] 92 | for (int i = 0; i < b.size(); i++) { | ~~^~~~~~~~~~