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HbFS-

Open on Codeforces · Unique solved

Rating2413· 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
22
Unique solved
275
Submissions (all)
763
Years with activity
2016–2024

Solved by problem rating

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

  • Unrated106
  • 800–89917
  • 900–9996
  • 1000–10995
  • 1100–11997
  • 1200–12996
  • 1300–13996

Solved by topic

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

  • implementation73
  • math57
  • greedy54
  • constructive algorithms40
  • brute force36
  • dp36
  • data structures

Rating changes

2016

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2016

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2019-03-30 19:10Codeforces Round 549 (Div. 1)45+622413
2018-12-30 17:15Good Bye 2018187+452351
2018-12-23 15:35Codeforces Round 528 (Div. 1, based on Technocup 2019 Elimination Round 4)115+262306
2018-12-16 17:05Avito Cool Challenge 201868+1042280
2018-07-30 10:45Codeforces Round 500 (Div. 1) [based on EJOI]
1400–1499
12
  • 1500–15999
  • 1600–169916
  • 1700–179910
  • 1800–18999
  • 1900–199913
  • 2000–20996
  • 2100–21998
  • 2200–22996
  • 2300–23995
  • 2400–24995
  • 2500–25999
  • 2600–26999
  • 2700–27991
  • 2800–28991
  • 2900–29992
  • 3000–30991
  • 34
  • sortings22
  • binary search20
  • strings17
  • graphs17
  • dfs and similar16
  • number theory10
  • combinatorics10
  • *special7
  • trees7
  • interactive6
  • two pointers6
  • shortest paths5
  • geometry5
  • expression parsing4
  • hashing4
  • bitmasks4
  • dsu4
  • divide and conquer4
  • games3
  • flows3
  • matrices2
  • Other (3 tags)4
  • 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.

    2017

    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.

    2018

    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.

    2019

    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.

    2020

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

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
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    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
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    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.

    May
    Jun
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    Dec

    LessMore (max 35/day in 2016)

    2017

    Download PNG

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

    Jan
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    LessMore (max 21/day in 2017)

    2018

    Download PNG

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

    Jan
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    Jun
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    LessMore (max 34/day in 2018)

    2019

    Download PNG

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

    Jan
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    LessMore (max 66/day in 2019)

    2020

    Download PNG

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

    Jan
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    May
    Jun
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    LessMore (max 5/day in 2020)

    2022

    Download PNG

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

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
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    Dec

    LessMore (max 9/day in 2022)

    2024

    Download PNG

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

    Jan
    Feb
    Mar
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    May
    Jun
    Jul
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    Sep
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    Dec

    LessMore (max 6/day in 2024)

    220
    -26
    2176
    2018-07-01 16:05Codeforces Round 493 (Div. 1)140+312202
    2017-08-18 17:05Codeforces Round 429 (Div. 1)84+1082171
    2017-07-30 16:35Codeforces Round 426 (Div. 1)114+1142063
    2017-05-27 11:35Codeforces Round 416 (Div. 2)86+501949
    2017-05-13 11:35Tinkoff Challenge - Final Round (Codeforces Round 414, rated, Div. 1 + Div. 2)635-341899
    2017-02-26 10:05Codeforces Round 402 (Div. 2)119+341933
    2017-02-24 12:05Codeforces Round 401 (Div. 2)81+801899