ahmed_aly's blog

Some Statistics About Codeforces
By ahmed_aly, 12 years ago, In English

1- The maximum number of successful hacks made by the same user in the same contest is 39, made by Kenny_HORROR in Codeforces Beta Round 60: standings 1st place.

2- The maximum number of unsuccessful submissions before getting a problem accept in a contests is 81, made by shahbox in Codeforces Beta Round 44 (Div. 2): standings 518th place.

3- The user who solved the maximum number of problems during all Codeforces contests is Egor, he solved 453 problems.

4- The user who made the maximum number of successful hacks during all Codeforces contests is Egor again, he made 358 successful hacks.

5- The user who participated in the maximum number of Codeforces contests is PAG, he/she participated in 130 contests.

6- The maximum number of unsuccessful hacks made by the same user in the same contest is 150, made by dragan224 in Codeforces Round 109 (Div. 2): standings 1434th place.

7- The user who made the maximum number of unsuccessful hacks during all Codeforces contests is sdryapko, he made 154 usuccessful hacks.

8- The user who used the maximum number of different programming languages during Codeforces contests is K_operafan, he/she used these 11 languages: Io, Befunge, C#, Pike, C, Ruby, Roco, Tcl, C++, Java, Cobol.

9- The user who solved more than 50 problems during Codeforces contests with the maximum percentage of first-submission-accepted problems is KOTEHOK, he solved 57 problems and 54 of them were accepted from the first submission, with percentage ~ 95%.

10- The user who made more than 50 hacks during Codeforces contests with the maximum percentage of successful hacks is vepifanov, he made 56 hacks and 52 of them were successful, with percentage ~ 93%.

P.S. The above statistics is calculated for all contests before Codeforces Round #131, and unofficial participants are counted, but virtual participants are not count, and this information might not be 100% accurate.

Edit 1: Number 8, 9 and 10 are added.

Edit 2: An always updated version of this post can be found here.

Edit 3: This page now shows the top 5 in each category, but in different order and number 3 is new one. And can display statistics for a single user also.

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Comments Comments (16)
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12 years ago, # |
  Vote: I like it +29 Vote: I do not like it

Mr. Ahmed Aly, you and statistics are awesome! The same as your great website! Thanks a lot! ;)

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12 years ago, # |
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Cool, it would be a cool statistic also, the user who used the largest number of different languages in problems and got AC with them. the user with the less number of non-accepted submissions would be cool too.

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12 years ago, # |
  Vote: I like it +24 Vote: I do not like it

I think that dragan224 should make few unsuccessful hacks to be the first in 7 too:)

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12 years ago, # |
← Rev. 2   Vote: I like it 0 Vote: I do not like it

The user who take the maximum number of 1st places during all Codeforces contests is tourist.

UPD: 26 times.

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12 years ago, # |
← Rev. 3   Vote: I like it 0 Vote: I do not like it

2- It`s bot... he made 81 WA in 47 seconds.

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12 years ago, # |
← Rev. 2   Vote: I like it +2 Vote: I do not like it

Mr. Ahmed Aly, could you publish a list of top 3 (or 5) for each category? I'd love to see how close other contestants are from first place.

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12 years ago, # |
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what about the list of the worst contributors? :)

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