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wrk123

Open on Codeforces · Unique solved

Rating2654· International 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
17
Unique solved
149
Submissions (all)
361
Years with activity
2023–2025

Solved by problem rating

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

  • Unrated2
  • 800–89921
  • 900–9994
  • 1000–10994
  • 1100–119911
  • 1200–12992
  • 1300–13997

Solved by topic

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

  • greedy70
  • math50
  • dp44
  • implementation41
  • data structures38
  • constructive algorithms37
  • brute force

Rating changes

2023

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2023

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2025-11-23 12:35Codeforces Round 1066 (Div. 1 + Div. 2)47+932654
2025-11-06 17:35Codeforces Global Round 30 (Div. 1 + Div. 2)103+532561
2025-10-12 17:05Codeforces Round 1058 (Div. 1)154+112508
2025-10-03 17:35Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)144+522497
2025-09-20 17:35Codeforces Global Round 29 (Div. 1 + Div. 2)
1400–1499
12
  • 1500–15995
  • 1600–16995
  • 1700–17997
  • 1800–18995
  • 1900–19996
  • 2000–209911
  • 2100–219910
  • 2200–22996
  • 2300–23997
  • 2400–24999
  • 2500–25994
  • 2600–26994
  • 2800–28991
  • 2900–29993
  • 3000–30993
  • 32
  • binary search29
  • sortings22
  • dfs and similar19
  • bitmasks16
  • graphs16
  • dsu15
  • combinatorics15
  • interactive11
  • trees11
  • divide and conquer9
  • two pointers9
  • strings9
  • number theory8
  • games7
  • geometry6
  • shortest paths4
  • ternary search2
  • hashing2
  • matrices2
  • probabilities1
  • graph matchings1
  • Other (6 tags)6
  • 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.

    2024

    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.

    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.

    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    LessMore (max 17/day in 2023)

    2024

    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 21/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 18/day in 2025)

    294
    +6
    2445
    2025-08-28 17:35Codeforces Round 1046 (Div. 1)147+392439
    2025-08-07 17:35Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2)188+552400
    2025-07-31 17:35Codeforces Round 1040 (Div. 1)104+1342345
    2025-07-19 16:50Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2)105+2072211
    2024-08-10 16:35Codeforces Round 965 (Div. 2)2125-982004
    2024-08-04 16:35Codeforces Round 963 (Div. 2)39+1552102
    2024-07-30 16:35Educational Codeforces Round 168 (Rated for Div. 2)470+951947