Hello everyone,
hihoCoder is going to hold a contest at the first day of this year. (2017/01/01 19:00 UTC+8)
hihoCoder is a Chinese website which holds some contests for beginners and also a monthly challenge.
The contest lasts 2 hours and contains 4 problems. The problem set is prepared by me and jiry_2. There will be english translation of the problems. The hardest problem is as hard as div1 C/D in my mind.
Enjoy problems!
I think the hardest problem(s) is(are) as hard as div1 E in some rounds, maybe...![](/predownloaded/e6/a0/e6a0d2e6be5eae4e746d8069edc663036931168a.jpg)
TooDifficult .....
I think all problems except the first one are as hard as div1 F in some rounds, maybe...
Sorry, I underestimate the difficulty of the problems. QwQ
will there be English editorial?
Could someone tell me whether there are any solutions written for the tasks? The problems seem really interesting and I really want to find out how to solve them. I'd try even to translate them from Chinese:))
I search it on the internet, Here is some but written in Chinese.
Rikka with Tree IV: http://blog.csdn.net/u014609452/article/details/53995442
Rikka with Number: http://blog.csdn.net/u014609452/article/details/53995377
Rikka with Flow: http://blog.csdn.net/u014609452/article/details/55194030
If there is any thing I could offer help on some easy translation, feel free to ask me:)
The solution in Chinese is here.