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2,083 contest(s) 928,162 accounts(s)

Top rating updated 3 minutes ago

N Handle Rating
1
chemthan 		2791
2
tranxuanbach 		2649
3
flashmt 		2576
4
bachhoangxuan 		2542
5
lomzom 		2539
6
creatnx 		2539
7
yenthanh132 		2521
8
cacc 		2513
9
lovelyether 		2495
10
lexuanan 		2494
more

Rating distribution

Country rating updated 10 hours ago

N Country Participants
rating
1
Vietnam
3235

Country distribution

N Country Participants
number
1
Vietnam 		2704

Most participations

N Handle Contests
count
1
nhphuongltv 		100
2
flashmt 		84
3
ptnk131627 		83
4
nxphuc 		71
5
chemthan 		67
6
mbfibat 		64
7
yenthanh132 		62
8
tranxuanbach 		61
9
baoanhnguyen 		61
10
mike4235 		59
more

Most recent submissions

N Handle Submission
time
1
quasi_wood_41 		Oct. 4, 2025
2
thdh 		Sept. 7, 2025
3
defylogicguy 		Aug. 1, 2025
4
trnthienphc172 		Aug. 1, 2025
5
baoanhnguyen 		July 23, 2025
6
quanghieu1811 		May 2, 2025
7
hoangnoobpro 		April 14, 2025
8
tranduyanh20 		Jan. 16, 2025
9
c1assic 		Nov. 23, 2024
10
linvg 		Nov. 13, 2024
more

Most recent activity

N Handle Last
activity
1
timmy_failure 		July 23, 2025
2
baoanhnguyen 		July 23, 2025
3
nhangioi 		July 23, 2025
4
baodeptrai27 		July 23, 2025
5
benwatson 		July 23, 2025
6
cute_glade_31 		July 23, 2025
7
namduongvu 		July 23, 2025
8
open_door_80 		July 23, 2025
9
xinloi 		July 23, 2025
10
quinten8144 		July 23, 2025
more

Most recent rating activity

N Handle Rating
activity
1
baoanhnguyen 		July 23, 2025
2
nhangioi 		July 23, 2025
3
benwatson 		July 23, 2025
4
cute_glade_31 		July 23, 2025
5
xinloi 		July 23, 2025
6
quinten8144 		July 23, 2025
7
noted_cape_28 		July 23, 2025
8
brave_dog_13 		July 23, 2025
9
donghuyhoang 		July 16, 2025
10
ltakhoi2410 		July 16, 2025
more

Most writers

N Handle Writers
count
1
chemthan 		12
2
dungg1810 		2
3
rhymastic 		1
4
minh2345 		1

Problems

Date Rating Name
July 23, 2025
105 		Cloud Watching
July 23, 2025
2982 		Unsorted Sorting
July 23, 2025
907 		More Cookies
July 23, 2025
1125 		Sugar Limit
July 23, 2025
1573 		Append Average
July 23, 2025
1932 		Beauty in Everything
July 23, 2025
2533 		GCD Reduction
July 23, 2025
2087 		Swap Sum
July 18, 2025
402 		Tic-tac-toe 1
July 18, 2025
974 		Tic-tac-toe 2
more

Problem rating distribution

Past contests

End Time Contest
July 23, 2025 Starters 196 (Rated till 5 star)
July 19, 2025 Weekend Dev Challenge 07: React Projects
July 16, 2025 Starters 195 (Rated till 5 star)
July 13, 2025 Starters 194 (Rated for all)
July 12, 2025 Weekend Dev Challenge 06: JavaScript Projects
July 5, 2025 Weekend Dev Challenge 05: JavaScript Projects
July 2, 2025 Starters 193 (Rated for all)
June 28, 2025 Weekend Dev Challenge 04: Projects in Python & Flask
June 25, 2025 Starters 192 (Rated till 6 star)
June 21, 2025 Weekend Dev Challenge 03
more

Coming contests

Start Time Contest
today Weekend Dev Challenge 08: React Projects
July 30, 2025 Starters 197