Daily
Today is graph problem. I love graph problems. But it requires again a bit of coding, and a bit of graph algo's knowledge.
https://leetcode.com/problems/power-grid-maintenance/description/?envType=daily-question&envId=2025-11-06
#daily #medium
Today is graph problem. I love graph problems. But it requires again a bit of coding, and a bit of graph algo's knowledge.
https://leetcode.com/problems/power-grid-maintenance/description/?envType=daily-question&envId=2025-11-06
#daily #medium
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I didn't think this is still a thing + I don't think it was directed.
How then they do it, do they scan all possible IPS and then run some script if it is unprotected?
hmmmm
How then they do it, do they scan all possible IPS and then run some script if it is unprotected?
hmmmm
andreyka26_se
Some motherfuckers raided the server..... o my god, if you are reading this - prepare your moms, we are coming
AHAHAHAHHAHA discord group:
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I'm wondering, can they "save" backup of minecraft world just having access to the server? Does this minecraft thing allows it?
I thought you need directly go to server and play with volumes
I thought you need directly go to server and play with volumes
andreyka26_se
Who remembers this legend??? once a year, for one week it plays while I'm working
I liked it to THAT extent
https://www.youtube.com/watch?v=QzDBZVBpt_4
https://www.youtube.com/watch?v=QzDBZVBpt_4
YouTube
Prince of Persia Warrior Within: Welcome Within drums cover
Prince of Persia Warrior Within: Welcome Within drums cover
My tech blog:
https://andreyka26.com/
My tech blog:
https://andreyka26.com/
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Daily
Pretty hard IMO, didn't like question much, however I would not say it is bullshit, it is quite good, just that hard for me.
https://leetcode.com/problems/maximize-the-minimum-powered-city/?envType=daily-question&envId=2025-11-07
#daily #hard
Pretty hard IMO, didn't like question much, however I would not say it is bullshit, it is quite good, just that hard for me.
https://leetcode.com/problems/maximize-the-minimum-powered-city/?envType=daily-question&envId=2025-11-07
#daily #hard
Daily
nono, fuck it, when the problem needs some fucking "Gray Code" knowledge, this is bye bye. Bullshit question, don't waste time.
https://leetcode.com/problems/minimum-one-bit-operations-to-make-integers-zero/solutions/7333658/bit-manipulation-gray-code-logic-python-kwkii/?envType=daily-question&envId=2025-11-08
#dailly #hard
nono, fuck it, when the problem needs some fucking "Gray Code" knowledge, this is bye bye. Bullshit question, don't waste time.
https://leetcode.com/problems/minimum-one-bit-operations-to-make-integers-zero/solutions/7333658/bit-manipulation-gray-code-logic-python-kwkii/?envType=daily-question&envId=2025-11-08
#dailly #hard
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Daily
YEAH, the type of problems I want to see after hard (no sarcasm)
https://leetcode.com/problems/count-operations-to-obtain-zero/description/?envType=daily-question&envId=2025-11-09
#daily #easy
YEAH, the type of problems I want to see after hard (no sarcasm)
https://leetcode.com/problems/count-operations-to-obtain-zero/description/?envType=daily-question&envId=2025-11-09
#daily #easy
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Right now I'm learning a bit of domain knowledge about how Payment Gateways like Stripe work to not fuckup when I publish System Design Solution here. SO:
When customer submits card details to Stripe willing to pay merchant for his goods, what Stripe does FIRST to capture money from the customer?
(first should be authorization transaction)
(first should be authorization transaction)
Anonymous Poll
47%
contacts customer's (issuing) bank, that issued card
35%
contacts Card Network
6%
contacts Stripe's bank (receiving)
12%
contacts Merchant's (Goods/Services owner) bank
Where Stripe transfers money when customer pays for goods?
Anonymous Poll
47%
Merchant's (goods/services) bank
33%
Stripe's bank
11%
Stripes internal database
8%
Any Local bank in Customers Region
Terminology:
Stripe - payment gateway
Merchant - the guy selling goods or services
Customer - the guy buying goods or services from Merchant
Issuing / customer's bank - the bank that issued card to customer, that he pays with
Merchant's bank - the bank where merchant receives money when customer pays for it
Stripe - payment gateway
Merchant - the guy selling goods or services
Customer - the guy buying goods or services from Merchant
Issuing / customer's bank - the bank that issued card to customer, that he pays with
Merchant's bank - the bank where merchant receives money when customer pays for it
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