Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:16:15: error: ‘k3’ was not declared in this scope k1=k2=k3=k4=ok=ind=0; ^ user.cpp:16:18: error: ‘k4’ was not declared in this scope k1=k2=k3=k4=ok=ind=0; ^ user.cpp:17:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<s.size();j++) ^ user.cpp:19:27: error: ‘p2’ was not declared in this scope if(ind==0) p1=p2=1; ^ user.cpp:27:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==s.size()-1) ok=1; ^