Main.cc:5:1: error: 'string' does not name a type string s1,s2; ^ Main.cc: In function 'int main()': Main.cc:9:10: error: 's1' was not declared in this scope cin>>s1>>s2; ^ Main.cc:9:14: error: 's2' was not declared in this scope cin>>s1>>s2; ^ Main.cc:18:5: error: expected ';' before '}' token } ^