Compilare: main.cpp:5: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas] 5 | #pragma gcc optimize("Ofast") | main.cpp:6: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas] 6 | #pragma GCC optimization("Ofast") | main.cpp:7: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas] 7 | #pragma optimize(Ofast) | main.cpp: In function 'int main()': main.cpp:58:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for (int i = 0; i < rez.size(); i++) { | ~~^~~~~~~~~~~~