Compilare: user.cpp: In function ‘int poligon(std::vector<int>, std::deque<int>&)’: user.cpp:25:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 1; i < v.size() - 1; i++ ){ ^ user.cpp:34:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < d.size() - 2; i++ ){ ^ user.cpp: In function ‘long long int aria(std::deque<int>)’: user.cpp:43:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < d.size() - 1; i++ ){ ^ user.cpp: In function ‘int main()’: user.cpp:105:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int k = 0; k < L.size(); k++ ){ ^ user.cpp:116:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int k = 0; k < L.size(); k++ ){ ^