[Square869120Contest #4](https://s8pc-4.contest.atcoder.jp/) will be held on Sunday (4/ 9) 11:00 UTC. (20:00 JST / 14:00 MSK)↵
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About Square869120Contest<br />↵
・This contest is unofficial.<br />↵
・This cSquare869120Contest heold 3 times before, and this is the 4th contest of Square869120Contest.<br />↵
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About Contest<br />↵
・The contest are prepared by 9-th grade students, [user:E869120,2017-04-04] and [user:square1001,2017-04-04].<br />↵
・Let's participate and enjoy!<br />↵
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![ ](http://codeforces.net/predownloaded/37/e6/37e652991f6364606593bfe1042cfe9cdffd631b.png)↵
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Information<br />↵
・Time: April 9th (Sunday), 20:00 JST (11:00 UTC)<br />↵
・Duration: 200 minutes (3 hours 20 minutes)<br />↵
・Number of Tasks: 8 Problems<br />↵
・Writer: [user:E869120,2017-04-04] and [user:square1001,2017-04-04]<br />↵
・Rated: No [unrated]<br />↵
・Language: Japanese / English <br />↵
・This contest has many partial points, so if you can't get perfect score, you can get many partial points!<br />↵
↵
Past Square869120Contests<br />↵
・[Square869120Contest #3 (English / Japanese)](https://s8pc-3.contest.atcoder.jp/)<br />↵
・[Square869120Contest #2 (Japanese)](https://s8pc-2.contest.atcoder.jp/)<br />↵
・[Square869120Contest #1 (Japanese)](https://s8pc-1.contest.atcoder.jp/)<br />
↵
About Square869120Contest<br />↵
・This contest is unofficial.<br />↵
・
↵
About Contest<br />↵
・The contest are prepared by 9-th grade students, [user:E869120,2017-04-04] and [user:square1001,2017-04-04].<br />↵
・Let's participate and enjoy!<br />↵
↵
![ ](http://codeforces.net/predownloaded/37/e6/37e652991f6364606593bfe1042cfe9cdffd631b.png)↵
↵
Information<br />↵
・Time: April 9th (Sunday), 20:00 JST (11:00 UTC)<br />↵
・Duration: 200 minutes (3 hours 20 minutes)<br />↵
・Number of Tasks: 8 Problems<br />↵
・Writer: [user:E869120,2017-04-04] and [user:square1001,2017-04-04]<br />↵
・Rated: No [unrated]<br />↵
・Language: Japanese / English <br />↵
・This contest has many partial points, so if you can't get perfect score, you can get many partial points!<br />↵
↵
Past Square869120Contests<br />↵
・[Square869120Contest #3 (English / Japanese)](https://s8pc-3.contest.atcoder.jp/)<br />↵
・[Square869120Contest #2 (Japanese)](https://s8pc-2.contest.atcoder.jp/)<br />↵
・[Square869120Contest #1 (Japanese)](https://s8pc-1.contest.atcoder.jp/)<br />