Compilare: user.cpp: In function ‘int functie(int)’: user.cpp:12:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=poz;i<s.size();i++) ^ user.cpp:11:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,uc,nr=0; ^ user.cpp:11:13: warning: unused variable ‘uc’ [-Wunused-variable] int i,j,uc,nr=0; ^ user.cpp: In function ‘int main()’: user.cpp:25:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<s.size();i++) ^ user.cpp:38:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<s.size();i++) ^