// output of ./demo/comb/pellgray-rec-demo.cc: // Description: //% Gray code for Pell words, recursive CAT algorithm arg 1: 4 == n [Length of words] default=4 arg 2: 1 == zq [ 0==>Lex order 1==>Gray code] default=1 arg 3: 0 == rq [Whether to reverse order] default=0 1: . . . . 2: . . . 1 3: . . . 2 4: . . 1 2 5: . . 1 1 6: . . 1 . 7: . . 2 . 8: . 1 2 . 9: . 1 1 . 10: . 1 1 1 11: . 1 1 2 12: . 1 . 2 13: . 1 . 1 14: . 1 . . 15: . 2 . . 16: . 2 . 1 17: . 2 . 2 18: 1 2 . 2 19: 1 2 . 1 20: 1 2 . . 21: 1 1 . . 22: 1 1 . 1 23: 1 1 . 2 24: 1 1 1 2 25: 1 1 1 1 26: 1 1 1 . 27: 1 1 2 . 28: 1 . 2 . 29: 1 . 1 . 30: 1 . 1 1 31: 1 . 1 2 32: 1 . . 2 33: 1 . . 1 34: 1 . . . 35: 2 . . . 36: 2 . . 1 37: 2 . . 2 38: 2 . 1 2 39: 2 . 1 1 40: 2 . 1 . 41: 2 . 2 . ct=41 work/object=0.487805