Compilare: user.cpp: In function ‘std::string caps(std::string)’: user.cpp:16:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<aux.length();i++) ^ user.cpp: In function ‘long unsigned int Apare(std::string, char, std::string, std::string, long unsigned int, int)’: user.cpp:40:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<init.length();i++) ^ user.cpp:52:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<group_max;i++) ^ user.cpp: In function ‘int main()’: user.cpp:110:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(intrebari[i]>maxim) ^ user.cpp:113:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(zeroandone.length()<maxim) ^ user.cpp:127:8: warning: unused variable ‘k1’ [-Wunused-variable] int k1=0,k2=0; ^ user.cpp:127:13: warning: unused variable ‘k2’ [-Wunused-variable] int k1=0,k2=0; ^ user.cpp:143:8: warning: unused variable ‘k1’ [-Wunused-variable] int k1=0,k2=0; ^ user.cpp:143:13: warning: unused variable ‘k2’ [-Wunused-variable] int k1=0,k2=0; ^ user.cpp:122:6: warning: unused variable ‘aparitii’ [-Wunused-variable] ul aparitii=0;; ^