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How does javascript find all prime factors of a number?
encounters a javascript algorithm problem, which requires that find out all prime factors of a number
algorithm I designed:
function primeFactors(n){
var factors = [];
var divisor = 3;
if (n % 2==0) factors.push(2);
while(n>5){
...
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How does js move one element to another coordinate?
for example, if you want to move from 0 to 100 1px at this speed, you can move x coordinates + 1 per frame. What if you want to move obliquely from 0 ~ 0 to 100 ~ ~ 20 at this speed? ...
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How does js make bullets that are good at fishing?
Let the bullets be fired according to the direction of the mouse click, just like those who are good at fishing ...
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Find out how many zeros there are between 1 and 1 million.
find out how many zeros there are between 1 and 1 million ...
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Problem solving of array algorithm
encounters an algorithm; similar to var a = [1 br > how to deal with it into a two-digit array [[1], [2], [4Power4], [5Power5]] < beacon > I wrote it myself: uh. how to deal with it into a two-digit array [[1], [2], [4parry 4], [5pjre 5]]. Loop twice, n...
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Js algorithm puzzle
given a non-empty array of integers, each element appears twice except for an element that appears only once. Find the element that only appears once.
example 1:
: [2,2,1]
: 1
example 2:
: [4,1,2,1,2]
: 4
the answer with the highest running effici...
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Js Array Partition problem
let arrs=[102,233,45,350,130,220,195,240]
I want arrs to split into two groups, but I want the sum of the two groups to be as close as possible. The smaller the difference, the better. My own idea is to re-sort, from small to large, and then judge the s...
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[ask Daniel for advice one or two] depth first search to find the route to the specified location, trying to print out all the routes made an error.
I want to output all possible routes, but in the end, I only output one route. I haven t figured out Orz for a long time.
the following is the source code:
ma
mbmb.fill(0);
0
1
(x0,y0)
position=[]
direction=[[-1,0],[0,-1],[1,0],[0,1...
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How to solve the stack overflow caused by the creation of segment tree by js?
use JavaScript to build a segment tree, and recursion is used in the construction process. This should make the call stack overflow. I wonder if there is any other way to solve this problem.
< H1 > Code < H1 >
...
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Merge array object algorithm
data A:
[
{
"id":340,
"name":"",
"sub":[
{
"id":341,
"name":""
},
{
&q...
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The JavaScript array is sorted in odd and even numbers, with the odd number first and the even number last. No new array is required.
for example: [1, 2, 3, 4, 5] after sorting: 1, 3, 5, 2, 4 Note: does not create a new array , that is, it is changed on the basis of the original array. ...
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Php algorithm-- catching water droplets
php algorithm-- catching water droplets
A novice PHP programmer, who has been on the job for half a year and is still hovering in endless additions, deletions, modifications and data optimization, has recently been brought into the algorithm pit by th...
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An algorithm for expanding nodes in the location tree after page refresh
directory tree initialization initially returns only a two-tier structure.
[
{
name: ,
path: ,
id: 1,
childs: 2,
children: [
{
name: 01 ,
path: 01 ,
id: 2,
...
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How to determine that the values in the array are contained in each other?
there are now such data objects arr = [ {]
start: 1,
end: 12
}, {
start: 2,
end: 5
}, {
start: 6,
end: 10
}, . ]
how to determine whether the start and end of each object are continuous for example, the above situation is incorrect, because 1-12 c...
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Js data structure
What is the data structure corresponding to Object in js? What is its logical structure and physical structure? ...
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Given the GPS coordinates of five points, how to find the nearest gps coordinates to these points
topic description
as shown in the question, if you know the GPS coordinates of five points, how to find the sixth point and minimize the sum of the distances from the other five points, and find out his GPS coordinates
would like to ask if you have ...
