Maximum triangle path sum: Difference between revisions
→{{header|Ruby}}: Added Ruby entry.
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(→{{header|Ruby}}: Added Ruby entry.) |
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maximum path sum: 1320
</pre>
=={{header|Ruby}}==
<lang ruby>
triangle =
" 55
94 48
95 30 96
77 71 26 67
97 13 76 38 45
07 36 79 16 37 68
48 07 09 18 70 26 06
18 72 79 46 59 79 29 90
20 76 87 11 32 07 07 49 18
27 83 58 35 71 11 25 57 29 85
14 64 36 96 27 11 58 56 92 18 55
02 90 03 60 48 49 41 46 33 36 47 23
92 50 48 02 36 59 42 79 72 20 82 77 42
56 78 38 80 39 75 02 71 66 66 01 03 55 72
44 25 67 84 71 67 11 61 40 57 58 89 40 56 36
85 32 25 85 57 48 84 35 47 62 17 01 01 99 89 52
06 71 28 75 94 48 37 10 23 51 06 48 53 18 74 98 15
27 02 92 23 08 71 76 84 15 52 92 63 81 10 44 10 69 93"
ar = triangle.each_line.map{|line| line.strip.split.map(&:to_i)}
until ar.size == 1 do
maxes = ar.pop.each_cons(2).map(&:max)
ar[-1]= ar[-1].zip(maxes).flat_map{|r1,r2| r1 + r2}
end
puts ar # => 1320</lang>
=={{header|Tcl}}==
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