Compilare: user.cpp: In function ‘int main()’: user.cpp:110:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<ALL_IN.size() && i < ALL_OUT.size(); ++i){ ^ user.cpp:110:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<ALL_IN.size() && i < ALL_OUT.size(); ++i){ ^ user.cpp:111:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i != ALL_IN.size()-1 || i != ALL_OUT.size()-1) ^ user.cpp:111:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i != ALL_IN.size()-1 || i != ALL_OUT.size()-1) ^ user.cpp:117:70: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = min( ALL_IN.size() , ALL_OUT.size()); i< ALL_IN.size(); ++i) ^ user.cpp:120:73: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = min( ALL_IN.size() , ALL_OUT.size()); i < ALL_OUT.size(); ++i) ^ user.cpp:99:9: warning: unused variable ‘n_nu_iese’ [-Wunused-variable] int n_nu_iese = 0, n_nu_intra = 0; ^ user.cpp:99:24: warning: unused variable ‘n_nu_intra’ [-Wunused-variable] int n_nu_iese = 0, n_nu_intra = 0; ^