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Tipa

Open on Codeforces · Unique solved

Rating2427· 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
39
Unique solved
394
Submissions (all)
1,257
Years with activity
2018–2025

Solved by problem rating

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

  • Unrated4
  • 800–89969
  • 900–99927
  • 1000–109940
  • 1100–119939
  • 1200–129961
  • 1300–139954

Solved by topic

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

  • implementation206
  • greedy131
  • math107
  • brute force92
  • sortings68
  • constructive algorithms47
  • strings

Rating changes

2018

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2018

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2025-05-11 17:05Codeforces Round 1024 (Div. 1)126+602427
2021-06-13 18:35Codeforces LATOKEN Round 1 (Div. 1 + Div. 2)352-192367
2021-05-02 17:35Codeforces Global Round 14132+972386
2021-03-13 11:35Codeforces Round 707 (Div. 1, based on Moscow Open Olympiad in Informatics)311-242289
2021-02-28 16:35Codeforces Global Round 13
1400–1499
37
  • 1500–159923
  • 1600–16999
  • 1700–17999
  • 1800–18996
  • 1900–19992
  • 2100–21993
  • 2200–22992
  • 2400–24991
  • 2500–25993
  • 2600–26992
  • 2700–27993
  • 35
  • dp33
  • number theory28
  • data structures23
  • two pointers22
  • binary search21
  • bitmasks17
  • graphs16
  • geometry16
  • dfs and similar14
  • combinatorics13
  • games5
  • probabilities5
  • dsu4
  • hashing3
  • graph matchings3
  • shortest paths3
  • *special3
  • ternary search2
  • interactive2
  • trees2
  • divide and conquer1
  • Other (5 tags)5
  • 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
    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.

    2021

    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
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    Dec

    LessMore (max 3/day in 2018)

    2019

    Download PNG

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

    Jan
    Feb
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    Jun
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    Aug
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    Dec

    LessMore (max 27/day in 2019)

    2020

    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 32/day in 2020)

    2021

    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 2021)

    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 9/day in 2025)

    111
    +156
    2313
    2021-01-28 16:50Codeforces Round 698 (Div. 1)405-72157
    2021-01-14 16:35Educational Codeforces Round 102 (Rated for Div. 2)13+1932164
    2021-01-05 16:35Codeforces Round 694 (Div. 2)48+1511971
    2021-01-04 16:35Codeforces Round 693 (Div. 3)6+3101820
    2020-12-30 17:35Good Bye 20203770+191510
    2020-12-28 16:35Educational Codeforces Round 101 (Rated for Div. 2)55+4651491
    2020-12-11 16:35Codeforces Round 689 (Div. 2, based on Zed Code Competition)6018+01026