Codeforces
In English По-русски
Enter | Register

  • Home
  • Top
  • Catalog
  • Contests
  • Gym
  • Problemset
  • Groups
  • Rating
  • Edu
  • API
  • Calendar
  • Help

  • Ballalao
  • Blog
  • Teams
  • Submissions
  • Groups
  • Contests
Pupil

Ballalao

Tunisia
  • User''s contest rating in Codeforces community Contest rating: 1274 (max. pupil, 1274)
  • User''s contribution into Codeforces community Contribution: 0
  • Friend of: 9 users
  • Last visit: 85 minutes ago
  • Registered: 20 months ago
  • Ballalao's blog Blog entries (0), comments
  • Your talks with Ballalao Talks | Send message
Click on the graph to enable the zoom feature.
674 problems
solved for all time
486 problems
solved for the last year
21 problems
solved for the last month
25 days
in a row max.
25 days
in a row for the last year
7 days
in a row for the last month
→ Pay attention
Before contest
Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
4 days
Register now »
*has extra registration
Before contest
Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)
4 days
Register now »
*has extra registration
→ Streams

Leetcode Weekly 500 Solution Discussion

By aryanc403
Before stream 24:01:18
View all →
→ Top rated
# User Rating
1 Benq 3792
2 VivaciousAubergine 3647
3 Kevin114514 3603
4 jiangly 3583
5 strapple 3515
6 tourist 3470
7 dXqwq 3436
8 Radewoosh 3415
9 Otomachi_Una 3413
10 Um_nik 3376
Countries | Cities | Organizations View all →
→ Top contributors
# User Contrib.
1 Qingyu 158
2 adamant 152
3 Proof_by_QED 146
3 Um_nik 146
5 Dominater069 144
6 errorgorn 141
7 cry 139
8 YuukiS 135
9 chromate00 134
9 TheScrasse 134
View all →
→ Find user
→ Recent actions
  • atcoder_official → AtCoder Beginner Contest 456 Announcement   Text created or updated
  • MIDORIYA_ → Upsolve.it - Stop Guessing What to Solve on Codeforces   New comment(s)
  • yse → Codeforces Round 1096 (Div. 3) — Editorial   Text created or updated
  • jerrywang0916 → When will the ratings of problems and cheaters be calculated?   New comment(s)
  • efgsa430 → Rollback when   New comment(s)
  • joe_zxq → Algo Beat Contest 004 Announcement   Text created or updated
  • chromate00 → Codeforces Round 1009 (Div. 3) — Editorial   New comment(s) Necropost
  • anvaymayekar → Codeforces 3A - Shortest Path of the King   Text created or updated
  • Nasa → An efficient, shorter and easier way to find LCA(Lowest common ancestor) in offline without Tarjan's   New comment(s)
  • Akihiko_Kayaba09 → Stuck at ~750 rating — need guidance to reach Pupil   New comment(s)
  • Heisenberg2005 → Changing question setting theme to prevent LLM use   Text created or updated
  • peltorator → So Do You Really Understand Fast Matrix Multiplication?   New comment(s)
  • kryzet → Cloudflare Turnstile Integration Bug   New comment(s)
  • stefdasca → IIOT 2026 Teams   New comment(s)
  • MikeMirzayanov → Codeforces and Polygon: Improvements [March 2019]   New comment(s) Necropost
  • wakanda-forever → Codeforces Round 1095 (Div. 2) Editorial   New comment(s)
  • Hoks_ → Maybe It’s Time to Stop Unrated Accounts from Submitting   New comment(s)
  • yse → Codeforces Round 1096 (Div. 3)   New comment(s)
  • Pyqe → Live online mirror of The 2026 ICPC Asia Pacific Championship   New comment(s)
  • CerealEater42 → I can't find where this solution went wrong   New comment(s)
  • ZeroToRed → Recently got serious with Codeforces.   New comment(s)
  • Danider2010 → back online , after 2 months !!!!   New comment(s)
  • s_jaskaran_s → Codeforces Round #841 (Div. 2) and Divide By Zero 2022 Editorial   New comment(s) Necropost
  • Errichto → Errichto CP School — 1.05.2026 update   Text created or updated
  • MishkatIT → Blitz1v1 — A Real-Time 1v1 Coding Battle Platform   New comment(s)
Detailed →

Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
The only programming contests Web 2.0 platform
Server time: May/02/2026 13:28:42 (g2).
Mobile version, switch to desktop version.
Privacy Policy | Terms and Conditions
Supported by
TON
 
 
 
 
User lists
 
 
Name