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ta3b

Open on Codeforces · Unique solved

Rating2303· International Master

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
18
Unique solved
155
Submissions (all)
441
Years with activity
2021–2025

Solved by problem rating

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

  • Unrated1
  • 800–89918
  • 900–9992
  • 1000–10996
  • 1100–11994
  • 1200–12994
  • 1300–13998

Solved by topic

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

  • greedy65
  • math63
  • dp42
  • constructive algorithms40
  • brute force39
  • data structures37
  • implementation

Rating changes

2021

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2021

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2022-11-20 17:05Pinely Round 1 (Div. 1 + Div. 2)147+892303
2022-10-23 09:50Codeforces Round 829 (Div. 1)355+182214
2022-08-16 16:35Codeforces Round 814 (Div. 1)545-562196
2022-07-16 16:35Codeforces Round 808 (Div. 1)240+452252
2022-03-20 13:50Codeforces Round 778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round)
1400–1499
7
  • 1500–15994
  • 1600–16996
  • 1700–17995
  • 1800–18993
  • 1900–19998
  • 2000–20998
  • 2100–21997
  • 2200–22994
  • 2300–23994
  • 2400–24999
  • 2500–25993
  • 2600–26995
  • 2700–27995
  • 2800–28994
  • 2900–29998
  • 3000–30996
  • 3100–31991
  • 3200–32995
  • 3300–33994
  • 3400–34991
  • 3500–35995
  • 35
  • sortings25
  • binary search22
  • combinatorics21
  • number theory19
  • graphs15
  • bitmasks14
  • dfs and similar11
  • dsu11
  • trees10
  • strings10
  • two pointers8
  • divide and conquer6
  • interactive6
  • probabilities6
  • games4
  • matrices4
  • hashing4
  • shortest paths4
  • fft3
  • ternary search2
  • geometry2
  • Other (3 tags)3
  • 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.

    2022

    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.

    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 21/day in 2021)

    2022

    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 16/day in 2022)

    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 17/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 2/day in 2025)

    285
    +64
    2207
    2022-03-06 12:10Codeforces Round 775 (Div. 1, based on Moscow Open Olympiad in Informatics)527-402143
    2022-02-23 12:10Codeforces Round 773 (Div. 1)449-122183
    2022-02-14 16:35Codeforces Round 771 (Div. 2)24+1462195
    2022-01-22 16:35Codeforces Round 767 (Div. 1)538+142049
    2022-01-12 14:05Codeforces Round 765 (Div. 2)258+172035
    2021-12-24 17:05Codeforces Global Round 18405+992018
    2021-11-26 13:15Codeforces Round 757 (Div. 2)257+571919