PROGRAMMING:Input 3 strings and output them in descending order (using function and pointer)

This topic requires reading in three strings, and then output three strings by sorting from small to large. See "sample" for specific input and output formats
###Input format:
String 1
String 2
String 3
###Output format:
Sorted:
String 1
String 2
String 3
###Input example:
Here is a set of inputs. For example:
```in
abeedg
ageegtg
abegrwww
```
###Output example:
The corresponding output is given here. For example:
```out
abeedg
abegrwww
ageegtg
```







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