update with contest link & remove registration links

Author: exoji2e

_events/2021-10-09-ncpc.md

@@ -11,15 +11,11 @@ id: ncpc
 The [Nordic Collegiate Programming Contest](https://nordic.icpc.io/ncpc2021) (NCPC) is the Nordic Championships in Competitive programming in teams for university students. **Both student teams and professional teams are welcome to participate.**
 
 
-### Registration
+### Contest links
 
-The [registration](https://icpc.global/regionals/finder/Nordic-2021) is open! Register your team by the 7th of October.
+The constest is run on [https://ncpc21.kattis.com](https://ncpc21.kattis.com).
 
-Each team member needs an account in the [ICPC registration system](https://icpc.global/). However the team should only be registered once by one member.
-
-### Intro & Practice
-
-We are hosting an [intro lecture, and a practice contest](/events/2021-10-05-ncpc-intro/) the 5th of October to help you prepare for NCPC!
+A solution walk through will be streamed at 16:15 at [https://youtu.be/7tPmFRIH6ng](https://youtu.be/7tPmFRIH6ng).
 
 ### Schedule of the on site event
 
@@ -34,6 +30,7 @@ td, th {padding: 5px;}
 |: ---  :|: --- |: --- |
 | 10:00 - 10:30 | E:A | Last minute information |
 | 11:00 - 16:00 | Where ever in the E-building or At home | The contest |
+| 16:00 - 16:15 | Pizzas outside of E:A |
 | 16:00 - 17:00 | Streamed from E:A | Solution session & Prize ceremony |
 
 This year you participate from your own computers (please read the [rules](#rules) below). It will be possible to participate both on site (in the E-building) and from home.