Compilare: main.cpp: In function 'int main()': main.cpp:50:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<s.size();j++) ~^~~~~~~~~ main.cpp:109:40: warning: 'culma' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<poz1<<" "<<poz2<<"\n"<<(char)culma; ^~~~~ main.cpp:109:40: warning: 'poz2' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:109:17: warning: 'poz1' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<poz1<<" "<<poz2<<"\n"<<(char)culma; ^~~