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Caylex

Open on Codeforces · Unique solved

Rating2409· Grandmaster

Bar charts count unique accepted problems (merged with the global problem set for rating and tags). Heatmaps use UTC calendar days. Rating squares are sums of newRating − oldRating from user.rating when System update time falls on that day. Submissions count every row from user.status (all verdicts), paginated until Codeforces has no more rows—heavy accounts can take a few seconds.

Rated contests
49
Unique solved
2,098
Submissions (all)
4,112
Years with activity
2024–2026

Solved by problem rating

Unique accepted problems, bucketed by catalog rating (100‑point bands). Unrated = no rating in the problem set.

  • Unrated71
  • 800–899491
  • 900–99992
  • 1000–109982
  • 1100–119997
  • 1200–129991
  • 1300–139985

Solved by topic

Each problem counts once per tag (same as Codeforces tags). Top tags shown; remaining mass in “Other”.

  • math780
  • greedy763
  • implementation629
  • brute force435
  • constructive algorithms392
  • dp389
  • data structures

Rating changes

2024

Sum of rating deltas on each UTC day (GitHub-style weeks, Sunday top).

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2024

Download PNG

Count of submissions per UTC day (includes every verdict).

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2026-01-29 17:35Codeforces Round 1077 (Div. 1)68+1202409
2026-01-17 17:35Codeforces Round 1073 (Div. 1)312+32289
2025-12-27 17:35Good Bye 2025740-322286
2025-12-19 17:05Codeforces Global Round 31 (Div. 1 + Div. 2)623-432318
2025-12-06 10:15Codeforces Round 1069 (Div. 1)256
1400–1499
97
  • 1500–159978
  • 1600–169985
  • 1700–1799103
  • 1800–189964
  • 1900–1999111
  • 2000–209986
  • 2100–219981
  • 2200–229961
  • 2300–239952
  • 2400–249997
  • 2500–259936
  • 2600–269936
  • 2700–279931
  • 2800–289918
  • 2900–299915
  • 3000–309914
  • 3100–31999
  • 3200–32997
  • 3300–33994
  • 3400–34994
  • 354
  • sortings274
  • binary search241
  • graphs197
  • dfs and similar189
  • number theory187
  • strings185
  • bitmasks147
  • trees136
  • combinatorics119
  • two pointers117
  • dsu90
  • divide and conquer68
  • *special65
  • shortest paths64
  • games56
  • hashing55
  • geometry49
  • probabilities39
  • interactive37
  • matrices16
  • graph matchings15
  • Other (10 tags)74
  • Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    Green: rating up · red: rating down · intensity: |Δ| tiers (<50, 50–99, 100+). One square may combine multiple rated contests on the same UTC day.

    2025

    Sum of rating deltas on each UTC day (GitHub-style weeks, Sunday top).

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    Green: rating up · red: rating down · intensity: |Δ| tiers (<50, 50–99, 100+). One square may combine multiple rated contests on the same UTC day.

    2026

    Sum of rating deltas on each UTC day (GitHub-style weeks, Sunday top).

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    Green: rating up · red: rating down · intensity: |Δ| tiers (<50, 50–99, 100+). One square may combine multiple rated contests on the same UTC day.

    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    LessMore (max 256/day in 2024)

    2025

    Download PNG

    Count of submissions per UTC day (includes every verdict).

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    LessMore (max 38/day in 2025)

    2026

    Download PNG

    Count of submissions per UTC day (includes every verdict).

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    LessMore (max 13/day in 2026)

    -27
    2361
    2025-11-23 12:35Codeforces Round 1066 (Div. 1 + Div. 2)121+922388
    2025-11-16 16:35Codeforces Round 1064 (Div. 1)173+752296
    2025-11-06 17:35Codeforces Global Round 30 (Div. 1 + Div. 2)279+662221
    2025-10-12 17:05Codeforces Round 1058 (Div. 1)591-502155
    2025-10-03 17:35Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)577+42205
    2025-09-24 14:50Codeforces Round 1053 (Div. 1)382+202201
    2025-09-20 17:35Codeforces Global Round 29 (Div. 1 + Div. 2)541+302181