You are too harsh on me, Aunt!

But mah people... :D

So I've been off Codeforces for a couple of months and then I see this Game of Thrones themed round. I couldn't get a bigger motivation to come back. Thank you for this. :)

I did the same. Wrong Answer on pretest 18.
Edit: I messed up in checking whether all edges are connected or not.

I hacked 3 with
2 1
2 -1 -1

Super fast System Testing. Came late but came strong...

For someone unrated and "somebody new", you know too much about usual and unusual timings. :D

I completely go with yash_15. I was a participant at the Mysuru sub-site. And I see no reason why the topper of Mysuru sub-site should be sent to the WF. I don't know what happened at Amritapuri, but I don't think there was any such glitch at Mysuru that put us to a disadvantage over teams from other sub-sites. We knew that the contest started 30 minutes earlier at Bengaluru and as long as both the sites got equal time (they did, right?) for the contest, that was only an advantage for us because we already had the "trends" on the scoreboard.

I was shocked when I heard of this selection. Yes, the contest was not smooth and different sub-sites had different situations. And a process of normalization is required when such a thing happens. And a process of normalization often is debatable. But, what is not debatable is the fact that teams solving 8 problems at Bengaluru should be anyhow ranked higher than teams solving 7 at Mysuru.

I made 2. I think C had weak pretests.

My approach- Consider all such edges that connect two vertices of different color. Let's call them heterogeneous edges.

There will be an answer iff there is one vertex common in all the heterogeneous edges. And that common vertex will be the root.

You don't even need to build a graph. It's elegant...well, only if it's correct. :D

Edit: It is correct. :)

• PS #3: tourist is not Russian.

Tourist lost the first place by just 44 points and was way clear of everyone else. Still got a negative rating change. Such harsh is life once you are on the absolute top. :/

Raise your Standard
Raise your Color

better — "Show the world your color"

"What's your color?"

Same here. :)

Both C and D failed on test 13.Such a Halloween theme round for me. :D

My solution fails this. :( Thanks by the way. Now I don't need to wait for the system testing.

Submitted solution for problem C at 2:29:59..now just hoping it passes the system tests. :)

This is what I did. Failed the system tests. Must have missed something. Did it work out for you?

:D :D