codechef.com

Google calendar
auto updating
has account rating
has problem rating
has upsolving
2,054 contest(s) 860,037 accounts(s)

Top rating updated 2 hours ago

N Handle Rating
1
gennady.korotkevich 		3355
2
maroonrk 		3304
3
mugurelionut 		3218
4
ksun48 		3210
5
ceilks 		3169
6
kutengine 		3123
7
rns4 		3097
8
petr 		3076
9
heno239 		3072
10
spycheese 		3072
more

Rating distribution

Country distribution

N Country Participants
number
1
India 		807910
2
Bangladesh 		16488
3
United States of America 		8018
4
China 		2989
5
Vietnam 		2630
6
Egypt 		2210
7
Russia 		1645
8
Japan 		1191
9
Indonesia 		1093
10
Canada 		964
more

Country rating updated 5 days, 8 hours ago

N Country Participants
rating
1
India
3616
2
Japan
3482
3
China
3144
4
Bangladesh
3119
5
United States of America
3072
6
North Korea
3050
7
Russia
2955
8
Germany
2916
9
Hong Kong
2852
10
Vietnam
2834
more

Most participated

N Handle Contests
number
1
lakh 		424
2
uwi 		300
3
crap_the_coder 		283
4
darkhorse_2064 		261
5
sarthakmanna 		258
6
eugalt 		255
7
tsubasa 		252
8
cubefreak777 		241
9
shashi02 		241
10
jymmicoder 		234
more

Last activity

N Handle Last
activity
1
nuip 		Jan. 15, 2025
2
ajaybgunjal199 		Jan. 15, 2025
3
anurag_iitr 		Jan. 15, 2025
4
mohib_ahemad 		Jan. 15, 2025
5
ajinkya1p3 		Jan. 15, 2025
6
eugalt 		Jan. 15, 2025
7
bsaibrahadeesh 		Jan. 15, 2025
8
sanjay_thiru 		Jan. 15, 2025
9
rohanphuloria 		Jan. 15, 2025
10
shuklashiva001 		Jan. 15, 2025
more

Rating activity

N Handle Rating
activity
1
anurag_iitr 		Jan. 15, 2025
2
eugalt 		Jan. 15, 2025
3
bsaibrahadeesh 		Jan. 15, 2025
4
sanjay_thiru 		Jan. 15, 2025
5
rohanphuloria 		Jan. 15, 2025
6
shuklashiva001 		Jan. 15, 2025
7
sazzadrume 		Jan. 15, 2025
8
corei17 		Jan. 15, 2025
9
saketag007 		Jan. 15, 2025
10
tuxcoder 		Jan. 15, 2025
more

Most writer

N Handle Writer
number
1 admin 283
2
notsoloud 		55
3
kingofnumbers 		53
4
daanish_adm 		45
5 utkarsh_adm 44
6
jeevanjyot 		39
7 admin 39
8
iceknight1093 		36
9
soumyadeep_21 		35
10 sereja_adm 34
more

Problems

Date Rating Name
Jan. 15, 2025
132 		Entry Check
Jan. 15, 2025
3118 		Tree Queries
Jan. 15, 2025
708 		Opposite Attract
Jan. 15, 2025
1590 		Make K Most Frequent
Jan. 15, 2025
1284 		Hamming equivalent
Jan. 15, 2025
1935 		Constant Subsequence
Jan. 15, 2025
2925 		No Palindromes
Jan. 15, 2025
3167 		Substring Strategy
Jan. 8, 2025
150 		Can You Bench
Jan. 8, 2025
3842 		Chef Loves Maths
more

Problem rating distribution

Past contests

End
Time
 Contest
Jan. 15, 2025 Starters 169 (Rated till 5 stars)
Jan. 8, 2025 Starters 168 (Rated till 6 stars)
Jan. 1, 2025 Starters 167 (Rated till 5 stars)
Dec. 25, 2024 Starters 166 (Rated till 5 stars)
Dec. 18, 2024 Starters 165 (Rated till 6 stars)
Dec. 11, 2024 Starters 164 (Rated till 5 stars)
Dec. 4, 2024 Starters 163 (Rated till 5 stars)
Nov. 27, 2024 Starters 162 (Rated till 5 stars)
Nov. 20, 2024 Starters 161 (Rated for All)
Nov. 13, 2024 Starters 160 (Rated till 5 stars)
more

Coming contests

Start
Time
 Contest
today Starters 170 (Rated till 6 star)
Jan. 29, 2025 Starters 171
Feb. 5, 2025 Starters 172
Feb. 12, 2025 Starters 173
Feb. 19, 2025 Starters 174
Feb. 26, 2025 Starters 175
March 5, 2025 Starters 176