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sleepaka

Open on Codeforces · Unique solved

Rating2326· International 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
10
Unique solved
40
Submissions (all)
64
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.

  • Unrated9
  • 800–8995
  • 900–9993
  • 1000–10992
  • 1100–11991
  • 1200–12994
  • 1300–13992

Solved by topic

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

  • greedy21
  • math20
  • constructive algorithms12
  • dp9
  • implementation9
  • brute force8
  • binary search

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
2026-04-25 17:05Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)294+102326
2026-04-13 16:35Codeforces Round 1093 (Div. 1)117+882316
2026-03-29 16:50Codeforces Round 1089 (Div. 2)16+1512228
2025-12-06 10:15Codeforces Round 1069 (Div. 1)226+1072077
2025-11-29 16:35Codeforces Round 1067 (Div. 2)
1400–1499
2
  • 1500–15993
  • 1800–18992
  • 2000–20991
  • 2100–21993
  • 2200–22991
  • 2700–27991
  • 2800–28991
  • 7
  • number theory7
  • bitmasks5
  • interactive4
  • combinatorics4
  • two pointers4
  • data structures3
  • sortings3
  • trees3
  • strings3
  • divide and conquer2
  • dfs and similar1
  • probabilities1
  • fft1
  • graphs1
  • shortest paths1
  • games1
  • geometry1
  • 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 12/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 5/day in 2026)

    279
    +90
    1970
    2025-11-28 16:35Educational Codeforces Round 185 (Rated for Div. 2)56+2851880
    2025-11-14 16:35Educational Codeforces Round 184 (Rated for Div. 2)446+2631595
    2025-11-10 17:05Codeforces Round 1063 (Div. 2)1833+2531332
    2025-06-21 16:35Codeforces Round 1033 (Div. 2) and CodeNite 20251841+3651079
    2025-04-08 16:50Codeforces Round 1016 (Div. 3)70+714714