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Pascal's triangle: Difference between revisions
Keep the same logic but add code to display the triangle in a nicer way.
m (→GNU APL) |
(Keep the same logic but add code to display the triangle in a nicer way.) |
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Line 3,682:
=={{header|Nim}}==
<lang nim>import sequtils, strutils
proc
## Print a Pascal triangle.
for r in 1..n:▼
row = zip(row & @[0], @[0] & row).mapIt(int, it[0] + it[1])▼
# Build the triangle.
var triangle: seq[seq[int]]
triangle.add @[1]
# Build the lines to display.
let length = len($max(triangle[^1])) # Maximum length of number.
var lines: seq[string]
for row in triangle:
lines.add row.mapIt(($it).center(length)).join(" ")
# Display the lines.
let lineLength = lines[^1].len # Length of largest line (the last one).
for line in lines:
echo line.center(lineLength)
printPascalTriangle(10)</lang>
{{out}}
<pre> 1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1
1 9 36 84 126 126 84 36 9 1 </pre>
=={{header|OCaml}}==
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