Compilare: user.cpp: In function ‘int exis(int)’: user.cpp:16:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<T[e%m].size();i++) ^ user.cpp: In function ‘void sterg(int)’: user.cpp:31:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<T[e%m].size();i++) ^ user.cpp: In function ‘int caut(int)’: user.cpp:42:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<T[e%m].size();i++) ^