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cike_bilibili

Open on Codeforces · Unique solved

Rating2292· 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
40
Unique solved
672
Submissions (all)
2,421
Years with activity
2023–2026

Solved by problem rating

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

  • Unrated5
  • 800–89933
  • 900–9998
  • 1000–10997
  • 1100–119910
  • 1200–129912
  • 1300–13999

Solved by topic

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

  • data structures244
  • dp227
  • greedy193
  • math191
  • constructive algorithms116
  • trees107
  • brute force

Rating changes

2023

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

Jan
Feb
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Apr
May

Submission volume

Download all years PNG

2023

Download PNG

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

Jan
Feb
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Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2026-04-13 16:35Codeforces Round 1093 (Div. 1)242+22292
2026-03-28 17:15Nebius Round 2 (Codeforces Round 1088, Div. 1 + Div. 2)389+62290
2026-02-23 17:05Codeforces Round 1082 (Div. 1)131+1012284
2026-01-17 17:35Codeforces Round 1073 (Div. 1)404+42183
2026-01-07 17:35Hello 2026500
1400–1499
7
  • 1500–159910
  • 1600–169916
  • 1700–179917
  • 1800–189923
  • 1900–199935
  • 2000–209938
  • 2100–219933
  • 2200–229945
  • 2300–239951
  • 2400–249943
  • 2500–259948
  • 2600–269941
  • 2700–279934
  • 2800–289947
  • 2900–299928
  • 3000–309921
  • 3100–319917
  • 3200–329911
  • 3300–33997
  • 3400–34997
  • 3500–35999
  • 97
  • binary search90
  • combinatorics89
  • dfs and similar88
  • graphs85
  • implementation84
  • bitmasks64
  • sortings63
  • divide and conquer54
  • strings52
  • number theory52
  • dsu47
  • probabilities47
  • two pointers43
  • hashing28
  • shortest paths22
  • interactive17
  • string suffix structures14
  • games14
  • matrices12
  • flows11
  • geometry11
  • Other (7 tags)25
  • 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 40/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 56/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 41/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 37/day in 2026)

    +35
    2179
    2025-12-19 17:05Codeforces Global Round 31 (Div. 1 + Div. 2)507+362144
    2025-12-11 16:35Codeforces Round 1070 (Div. 2)64+1012108
    2025-11-23 12:35Codeforces Round 1066 (Div. 1 + Div. 2)645+372007
    2025-09-24 14:50Codeforces Round 1053 (Div. 1)827-561970
    2025-09-09 16:35Codeforces Round 1049 (Div. 2)116+1022026
    2025-07-19 16:50Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2)1169+301924
    2025-06-23 16:35Educational Codeforces Round 180 (Rated for Div. 2)213+961894