61 Drawing of tracks

by okon

62 Sorting of pictures?

by coming_soon

68 The Huffman code - model

by Spiceman

69 "Metrics" on real arrays

by The smith

70 Circular references in with ++

by Kingofastellarwar

72 once again

by 3141566 Z

73 To place on a card

by Rum of Mik

74 vs Hezfild

by sergey2b

78 3d object on photos

by kokaku

80 Strategy = a way to a victory

by Arsen Shnurkov

86 Reverse . Phase rupture

by mossad_re

87 Material for learning

by BadCats

89 "Grid" = DAG?

by Arsen Shnurkov