Compilare: user.cpp: In function ‘int main()’: user.cpp:46:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < lista[1].size(); i++ ) ^ user.cpp:51:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < maxim.size(); i++) ^ user.cpp:55:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < maxim.size() - 1; i++) ^ user.cpp:67:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < pozitii.size(); i++) ^ user.cpp:54:9: warning: unused variable ‘poz’ [-Wunused-variable] int poz; ^