RosettaCodeData/Task/Loops-Nested/Nim/loops-nested.nim

26 lines
511 B
Nim

import random, strutils
const ArrSize = 10
var a: array[ArrSize, array[ArrSize, int]]
var s = ""
randomize() # Different results each time this runs.
# Initialize using loops on items rather than indexes.
for row in a.mitems:
for item in row.mitems:
item = rand(1..20)
block outer:
# Loop using indexes.
for i in 0..<ArrSize:
for j in 0..<ArrSize:
if a[i][j] < 10: s.add(' ')
addf(s, "$#", $a[i][j])
if a[i][j] == 20: break outer
s.add(", ")
s.add('\n')
echo s