Hello, I'm recently trying to understand this problem 1308 — Ant Network . I'm quite confused with a input that I saw in forum post that is

Input
1
5 5
0 1
1 2
2 3
3 4
4 0

Output
Case 1: 2 10

I have read the explanation about this case which was given by Leonardo Boshell. But still unable to understand how this output comes. Can anyone please explain me in details. It will be very helpful to me. Thanks in advance :)

Hello everyone.

We are glad to inform you that we are going to host an online individual programming contest on Toph , a Bangladeshi contest platform.

The contest will contain 6 problems.It will start at August 28, at 8:00 PM BSTand run for 3 hours. Here's the link register.

Problem setters: MosharrafOshy _WhiteBeard_ _BlackBeard_ and darkprinx

We would like to thank hjr265 and his team for the awesome platform.

I wish everyone will find the problems interesting and enjoy the contest.

Best of luck.

UPD:

The contest is end.Here is the winners-

1. Benq
2. sgtlaugh
3. rasterize
4. Vax
5. Sayem

Congratulation to them :)

Final_Standing

im having trouble to solve this problem. Lightoj 1271 . Any idea to solve this problem will hepl me a lot .. thnx in advance :)

i started to thinking about segment tree to solve this problem.

LightOj -1089

But after i noticed the range [0, 10^8], i just stucked there and couldn't managed how to solve it. please help ... thnx in advance :) :)