Compilare: user.cpp: In function ‘void constuctie(int*, int)’: user.cpp:13:9: warning: unused variable ‘ok’ [-Wunused-variable] int ok; ^ user.cpp: In function ‘int main()’: user.cpp:41:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<s2.size()) ^ user.cpp:47:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==s1.size()) ^ user.cpp:65:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v1.size();i++) ^