64 The heaviest cycle

by Chorkov

65 Drawing of tracks

by okon

66 Sorting of pictures?

by coming_soon

72 The Huffman code - model

by Spiceman

73 "Metrics" on real arrays

by The smith

74 Circular references in with ++

by Kingofastellarwar

76 once again

by 3141566 Z

77 To place on a card

by Rum of Mik

78 vs Hezfild

by sergey2b

82 3d object on photos

by kokaku

84 Strategy = a way to a victory

by Arsen Shnurkov

90 Reverse . Phase rupture

by mossad_re