Compilare: main.cpp:1: warning: ignoring '#pragma region ' [-Wunknown-pragmas] 1 | #pragma region | main.cpp:19: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 19 | #pragma endregion | main.cpp: In function 'll Solve(char*&)': main.cpp:86:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for (int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~