by@lip_of_cygnus
WA
463ms
freq = {} x=[] i=0 while gets() for word in $_.split('/\s/') a=word.split(" ") end x[i]=a i=i+1 end a=x[1][0] - x[0][0] printf("%d %d\n",a,x[3][2])
46 56 08 76 14 09 94 22 12 07 73 79
/volume/CODE:11: undefined method `(null)' for "76"(String)