$?$What is the efficiency class of the Enigma algorithm

ALGORITHM Enigma$($A$[0..n-1,0..n-1$

$//$Input: A matrix $A[0..n-1,0..n-1]$ of real numbers

for ilarr$0$ to $n-2$ do

for jlarri$+1$ to $n-1$ do

if $A[i,j]A[j,i]$

return false

return true

$n^2$

n

$logn$

$nlogn$