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yh2022lyj

Open on Codeforces · Unique solved

Rating2118· 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
23
Unique solved
592
Submissions (all)
1,650
Years with activity
2022–2026

Solved by problem rating

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

  • Unrated58
  • 800–89930
  • 900–99910
  • 1000–10995
  • 1100–11999
  • 1200–129915
  • 1300–139914

Solved by topic

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

  • dp202
  • greedy163
  • math159
  • data structures130
  • implementation105
  • dfs and similar94
  • brute force

Rating changes

2022

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2022

Download PNG

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

Jan
Feb
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Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2026-05-06 08:35Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)453-962118
2024-12-03 08:25Codeforces Round 990 (Div. 1)232+432214
2024-11-23 17:35CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)276+1102171
2024-09-27 16:05Codeforces Round 975 (Div. 1)544+342061
2024-06-16 11:05Codeforces Round 953 (Div. 2)
1400–1499
11
  • 1500–159917
  • 1600–169924
  • 1700–179913
  • 1800–189921
  • 1900–199920
  • 2000–209941
  • 2100–219921
  • 2200–229951
  • 2300–239932
  • 2400–249934
  • 2500–259924
  • 2600–269924
  • 2700–279919
  • 2800–289916
  • 2900–299914
  • 3000–309916
  • 3100–319913
  • 3200–329917
  • 3300–339910
  • 3400–34993
  • 3500–359910
  • 90
  • constructive algorithms86
  • trees81
  • graphs80
  • binary search71
  • sortings56
  • bitmasks55
  • combinatorics51
  • number theory43
  • dsu37
  • two pointers30
  • strings28
  • divide and conquer27
  • probabilities25
  • flows24
  • interactive18
  • games15
  • shortest paths13
  • geometry12
  • hashing10
  • matrices9
  • *special8
  • Other (8 tags)29
  • 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
    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.

    2026

    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 17/day in 2022)

    2023

    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 27/day in 2023)

    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 32/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 8/day in 2025)

    2026

    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 2026)

    7
    +281
    2027
    2023-10-09 16:35Educational Codeforces Round 156 (Rated for Div. 2)2821-701746
    2023-09-30 17:35Codeforces Round 901 (Div. 2)1532-461816
    2023-09-24 16:35Educational Codeforces Round 155 (Rated for Div. 2)411+671862
    2023-09-18 16:50CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!)2180-261795
    2023-09-10 16:35Codeforces Round 896 (Div. 2)185+1051821
    2023-08-30 17:35Pinely Round 2 (Div. 1 + Div. 2)1757+231716
    2023-08-12 16:35Codeforces Round 892 (Div. 2)1783+21693