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```python
def sat(s: str):
"""
Find a string with certain characters, simple codeforces problem
Inspired by [Codeforces Problem 133 A](https://codeforces.com/problemset/problem/133…
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[Codebook]
* [x] dijkstra
* [x] SPFA
dijkstra 題單
uva10801 有點太難...
裸題
uva10986 - Sending email
題解
https://abcd40404.github.io/2017/10/01/uva10986/
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List down the features we are planning to add. if there is any other feature which is not included here, please leave a comment and we can discuss about it.
- Codeforces tags distribution.
- Codef…
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Pick any Codeforces problems and submit your source code for that problem here by making a PR.
## Rules
0. Submissions for any ongoing contest will not be accepted and will be strictly dealt wi…
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# Aim
it is a problem on codeforces platform and i want to add solutions for it
# Details
- Solution
### Programming language
- [ ] C
- [ ] C++
- [ ] Java
- [ ] Python
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We have to come up with an URI and the response format.
Some ideas for the URI:
**/problems/{id}/**: For a given problem, return the list of users that have solved this particular proble
```
{…
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```python
def sat(d: int):
"""
Find a number bigger than n whose decimal representation has k 4's and 7's where k's decimal representation
consists only of 4's and 7's
Inspired …
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I would love to add some more solutions to problems belonging to A2OJ ladder (div 2A problems) under #hacktoberfest2021. Please assign me this issue
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## **` Codeforces Global Round 11 `** -
**Solutions for Codeforces Global Round 11 ** -
### Type of Issue -
Please add/delete options that are not relevant.
- [ ] Adding New Code
- [ ] I…
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## **`Educational Codeforces Round 86 `** -
**Solutions of Educational Codeforces Round 86 **
### Type of Issue -
Please add/delete options that are not relevant.
- [ ] Adding New Code
…