Run id: 134093

Main.cc: In function 'int main()':
Main.cc:7:17: error: 'len' was not declared in this scope
  for(int i=0;i<=len/2;i++){
                 ^
Main.cc:6:6: warning: unused variable 'len1' [-Wunused-variable]
  int len1=strlen(a);
      ^