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Top rated · Stats

shuba400

Open on Codeforces · Unique solved

Rating2135· 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
81
Unique solved
1,600
Submissions (all)
2,840
Years with activity
2019–2022

Solved by problem rating

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

  • Unrated11
  • 800–899186
  • 900–99962
  • 1000–109969
  • 1100–119958
  • 1200–129967
  • 1300–139982

Solved by topic

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

  • greedy675
  • math625
  • implementation443
  • dp368
  • constructive algorithms355
  • brute force306
  • data structures

Rating changes

2019

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2019

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2022-01-15 16:35Codeforces Round 766 (Div. 2)68+822135
2022-01-03 16:50Hello 2022996-92053
2021-12-29 17:35Good Bye 2021: 2022 is NEAR257+1622062
2021-12-28 15:35Codeforces Round 763 (Div. 2)322+481900
2021-12-27 16:35Educational Codeforces Round 120 (Rated for Div. 2)737
1400–1499
86
  • 1500–1599113
  • 1600–1699119
  • 1700–1799116
  • 1800–1899107
  • 1900–1999137
  • 2000–2099124
  • 2100–2199126
  • 2200–229986
  • 2300–239926
  • 2400–249922
  • 2700–27991
  • 2800–28991
  • 2900–29991
  • 277
  • sortings249
  • binary search217
  • graphs180
  • dfs and similar172
  • number theory148
  • strings127
  • two pointers122
  • trees118
  • combinatorics104
  • bitmasks96
  • dsu53
  • shortest paths51
  • geometry36
  • interactive32
  • divide and conquer31
  • games28
  • hashing26
  • ternary search20
  • probabilities17
  • matrices13
  • graph matchings9
  • Other (9 tags)40
  • 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.

    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.

    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    LessMore (max 4/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 22/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 24/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 13/day in 2022)

    +5
    1852
    2021-12-24 17:05Codeforces Global Round 181371+11847
    2021-12-18 17:35Educational Codeforces Round 119 (Rated for Div. 2)2027-971846
    2021-12-16 15:35Codeforces Round 761 (Div. 2)406+81943
    2021-12-12 17:15Codeforces Round 759 (Div. 2, based on Technocup 2022 Elimination Round 3)305+211935
    2021-12-11 12:05Codeforces Round 758 (Div.1 + Div. 2)544+601914
    2021-11-26 13:15Codeforces Round 757 (Div. 2)784-141854
    2021-11-22 11:35Educational Codeforces Round 117 (Rated for Div. 2)181+791868