RosettaCodeData/Task/Sort-stability/Liberty-BASIC/sort-stability.basic

29 lines
510 B
Plaintext

randomize 0.5
N=15
dim a(N,2)
for i = 0 to N-1
a(i,1)= int(i/5)
a(i,2)= int(rnd(1)*5)
next
print "Unsorted by column #2"
print "by construction sorted by column #1"
for i = 0 to N-1
print a(i,1), a(i,2)
next
sort a(), 0, N-1, 2
print
print "After sorting by column #2"
print "Notice wrong order by column #1"
for i = 0 to N-1
print a(i,1), a(i,2),
if i=0 then
print
else
if a(i,2) = a(i-1,2) AND a(i,1) < a(i-1,1) then print "bad order" else print
end if
next