---
# System prepended metadata

title: '[Problem number] [Problem name]'

---

[Problem number] [Problem name]
===

## Brief
Brief description of the problem

## Solution
Explain the key idea to solve the problem and provide the sample solution code below.

#### The overall solution code will be like this:
```c=
#include<stdio.h>

int main()
{
    printf("Hello world!");
    return 0;
    
    //by [author name]
}

```