/in/foo.cc:8:38: error: empty character constant
             print(nums[23-i],' ',sep='',end='')
                                      ^~
/in/foo.cc:8:45: error: empty character constant
             print(nums[23-i],' ',sep='',end='')
                                             ^~
/in/foo.cc:1:1: error: 'nums' does not name a type
 nums=[2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536,131072,262144,524288,1048576,2097152,4194304,8388608]
 ^~~~