Main.cc: In function 'int main()': Main.cc:10:5: error: expected ',' or ';' before 'if' if(s[n-1]=='r' && s[n-2]=='e'){ ^ Main.cc:14:5: error: 'else' without a previous 'if' else if(s[n-1]=='y' && s[n-2]=='l'){ ^