Compilare: main.cpp: In function 'void f(int)': main.cpp:24:24: warning: comparison of integer expressions of different signedness: 'std::vector<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 24 | if (leftArr.size() == halfSize && rightArr.size() == halfSize){ | ~~~~~~~~~~~~~~~^~~~~~~~~~~ main.cpp:24:55: warning: comparison of integer expressions of different signedness: 'std::vector<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 24 | if (leftArr.size() == halfSize && rightArr.size() == halfSize){ | ~~~~~~~~~~~~~~~~^~~~~~~~~~~ main.cpp:28:24: warning: comparison of integer expressions of different signedness: 'std::vector<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 28 | if (leftArr.size() < halfSize){ | ~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:33:25: warning: comparison of integer expressions of different signedness: 'std::vector<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 33 | if (rightArr.size() < halfSize){ | ~~~~~~~~~~~~~~~~^~~~~~~~~~