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LuOH3_

Open on Codeforces · Unique solved

Rating2296· 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
5
Unique solved
1,349
Submissions (all)
1,967
Years with activity
2025–2026

Solved by problem rating

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

  • Unrated5
  • 800–899662
  • 900–99943
  • 1000–109947
  • 1100–119967
  • 1200–129959
  • 1300–139960

Solved by topic

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

  • greedy669
  • math589
  • implementation458
  • constructive algorithms320
  • brute force301
  • dp184
  • sortings

Rating changes

2025

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2025

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2025-07-06 17:35EPIC Institute of Technology Round Summer 2025 (Codeforces Round 1036, Div. 1 + Div. 2)182+1602296
2025-05-11 17:05Codeforces Round 1024 (Div. 2)2+3562136
2025-04-26 11:35Codeforces Round 1021 (Div. 2)6+4641780
2025-04-19 16:35Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2)173+6321316
2025-04-03 16:35
1400–1499
53
  • 1500–159945
  • 1600–169945
  • 1700–179951
  • 1800–189942
  • 1900–199954
  • 2000–209933
  • 2100–219922
  • 2200–229924
  • 2300–239920
  • 2400–249910
  • 2500–25993
  • 2600–26993
  • 2700–27991
  • 180
  • data structures162
  • binary search148
  • strings131
  • number theory127
  • two pointers87
  • bitmasks83
  • dfs and similar76
  • graphs72
  • combinatorics65
  • trees57
  • games52
  • interactive34
  • geometry33
  • dsu32
  • divide and conquer24
  • shortest paths14
  • ternary search12
  • probabilities12
  • graph matchings10
  • hashing9
  • matrices6
  • Other (9 tags)31
  • 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 81/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 34/day in 2026)

    Educational Codeforces Round 177 (Rated for Div. 2)
    399
    +684
    684