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gyh20

Open on Codeforces · Unique solved

Rating3350· Legendary 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
76
Unique solved
1,242
Submissions (all)
4,664
Years with activity
2019–2026

Solved by problem rating

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

  • Unrated76
  • 800–89998
  • 900–99928
  • 1000–109926
  • 1100–119926
  • 1200–129932
  • 1300–1399

Solved by topic

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

  • greedy428
  • math416
  • dp333
  • constructive algorithms289
  • data structures274
  • implementation234

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
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Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2025-10-03 17:35Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)37-973350
2024-03-16 17:00Codeforces Round 934 (Div. 1)3+743447
2024-02-17 17:35think-cell Round 14+833373
2024-01-27 16:45Codeforces Round 921 (Div. 1)23-493290
2023-12-30 16:50Good Bye 20235
37
  • 1400–149934
  • 1500–159943
  • 1600–169935
  • 1700–179944
  • 1800–189957
  • 1900–199942
  • 2000–209949
  • 2100–219939
  • 2200–229955
  • 2300–239944
  • 2400–249955
  • 2500–259949
  • 2600–269945
  • 2700–279939
  • 2800–289945
  • 2900–299963
  • 3000–309952
  • 3100–319935
  • 3200–329932
  • 3300–339932
  • 3400–349913
  • 3500–359917
  • brute force
    208
  • graphs164
  • trees147
  • sortings138
  • combinatorics130
  • dfs and similar129
  • binary search129
  • number theory121
  • bitmasks97
  • strings74
  • two pointers71
  • dsu61
  • divide and conquer55
  • interactive45
  • games43
  • shortest paths42
  • probabilities39
  • geometry33
  • fft29
  • flows26
  • hashing21
  • matrices20
  • Other (10 tags)85
  • Jun
    Jul
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    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
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    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.

    2023

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

    Jan
    Feb
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    Jun
    Jul
    Aug
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    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
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    Jun
    Jul
    Aug
    Sep
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    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.

    2026

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

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
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    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
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    LessMore (max 20/day in 2019)

    2020

    Download PNG

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

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    LessMore (max 35/day in 2020)

    2021

    Download PNG

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

    Jan
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    LessMore (max 45/day in 2021)

    2022

    Download PNG

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

    Jan
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    LessMore (max 89/day in 2022)

    2023

    Download PNG

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

    Jan
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    LessMore (max 75/day in 2023)

    2024

    Download PNG

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

    Jan
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    LessMore (max 32/day in 2024)

    2025

    Download PNG

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

    Jan
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    Jun
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    LessMore (max 11/day in 2025)

    2026

    Download PNG

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

    Jan
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    LessMore (max 2/day in 2026)

    +80
    3339
    2023-07-29 17:05Codeforces Round 889 (Div. 1)35-753259
    2023-07-11 17:35Codeforces Round 884 (Div. 1 + Div. 2)5+763334
    2023-05-14 16:35Codeforces Round 873 (Div. 1)3+1643258
    2023-05-08 14:05Codeforces Round 872 (Div. 1)21+53094
    2023-04-09 17:00Codeforces Round 865 (Div. 1)41-653089
    2023-03-31 16:35CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!)48-723154
    2023-03-12 16:35Nebius Welcome Round (Div. 1 + Div. 2)18+53226