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Update README.md

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lor-engel
2021-10-16 19:36:51 -07:00
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parent 6984b4e956
commit 628efbb377
1 changed files with 6 additions and 5 deletions
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11
solutions/system_design/pastebin/README.md
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@@ -133,11 +133,12 @@ To generate the unique url, we could:
```python
def base_encode(num, base=62):
digits = []
while num > 0
remainder = modulo(num, base)
digits.push(remainder)
num = divide(num, base)
digits = digits.reverse
while num > 0:
remainder = num % base
digits.append(remainder)
num = num // base
digits = digits.reverse()
return digits
```
* Take the first 7 characters of the output, which results in 62^7 possible values and should be sufficient to handle our constraint of 360 million shortlinks in 3 years: