Compilare: main.cpp: In function 'int main()': main.cpp:90:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for(int i = 0; i < in.size(); i++) | ~~^~~~~~~~~~~ main.cpp:92:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for(int i = in.size(); i < out.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:98:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for(int i = 0; i < out.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:100:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | for(int i = out.size(); i < in.size(); i++) | ~~^~~~~~~~~~~