Floyd's triangle: Difference between revisions

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Line 3,692:
<lang julia>function floydtriangle(rows)
r = collect(1:div(rows *(rows + 1), 2))
spacing = Int(ceil(log10(r[end] + 1))) + 1
for i in 1:rows
for _j in 1:i
print(rpad(lpad(popfirst!(r), spacingj > 8 ? 3 : 2), j > 8 ? 4 : 3))
end
println()
end
end
 
floydtriangle(5); println(); floydtriangle(14)
 
</lang>{{out}}
<pre>
1 1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
 
1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31 32 33 34 35 36
37 38 39 40 41 42 43 44 45
46 47 48 49 50 51 52 53 54 55
56 57 58 59 60 61 62 63 64 65 66
67 68 69 70 71 72 73 74 75 76 77 78
79 80 81 82 83 84 85 86 87 88 89 90 91
92 93 94 95 96 97 98 99 100 101 102 103 104 105
</pre>
 
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