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#! /usr/bin/node
"use strict"
// by Frank Tan
// https://stackoverflow.com/questions/38400594/javascript-deep-comparison
function deepEqual(a,b)
{
if( (typeof a == 'object' && a != null) &&
(typeof b == 'object' && b != null) )
{
var count = [0,0];
for( var key in a) count[0]++;
for( var key in b) count[1]++;
if( count[0]-count[1] != 0) {return false;}
for( var key in a)
{
if(!(key in b) || !deepEqual(a[key],b[key])) {return false;}
}
for( var key in b)
{
if(!(key in a) || !deepEqual(b[key],a[key])) {return false;}
}
return true;
}
else
{
return a === b;
}
}
function countsmaller(nums) {
let b = [...nums];
b.sort(function(a,b) {
return a-b;
});
let sm = new Map;
let l = 0;
b.forEach((e, i) => {
if (i == 0 || e != l) {
sm.set(e, i);
l = e;
}
});
return nums.map(n => sm.get(n));
}
if (deepEqual(countsmaller([8, 1, 2, 2, 3]), [4, 0, 1, 1, 3])) {
process.stdout.write("Pass");
} else {
process.stdout.write("FAIL");
}
process.stdout.write(" ");
if (deepEqual(countsmaller([6, 5, 4, 8]), [2, 1, 0, 3])) {
process.stdout.write("Pass");
} else {
process.stdout.write("FAIL");
}
process.stdout.write(" ");
if (deepEqual(countsmaller([2, 2, 2]), [0, 0, 0])) {
process.stdout.write("Pass");
} else {
process.stdout.write("FAIL");
}
process.stdout.write("\n");
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