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bieybay

Open on Codeforces · Unique solved

Rating2190· 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
15
Unique solved
153
Submissions (all)
325
Years with activity
2024–2025

Solved by problem rating

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

  • Unrated7
  • 800–89918
  • 900–9993
  • 1000–10994
  • 1100–11996
  • 1200–12998
  • 1300–13998

Solved by topic

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

  • math70
  • greedy65
  • implementation42
  • brute force41
  • dp40
  • data structures36
  • constructive algorithms

Rating changes

2024

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2024

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2025-04-19 16:35Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2)983-462190
2025-04-05 17:35Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2)376+362236
2025-02-11 16:35Codeforces Round 1004 (Div. 1)380+222200
2025-01-20 17:35IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)655-102178
2025-01-17 16:35Codeforces Round 997 (Div. 2)
1400–1499
8
  • 1500–15996
  • 1600–16998
  • 1700–17997
  • 1800–18997
  • 1900–199913
  • 2000–209911
  • 2100–219913
  • 2200–229912
  • 2300–23995
  • 2400–24995
  • 2500–25991
  • 2600–26991
  • 2700–27992
  • 36
  • binary search31
  • number theory23
  • dfs and similar21
  • graphs20
  • combinatorics18
  • sortings17
  • bitmasks17
  • trees15
  • two pointers15
  • dsu9
  • geometry7
  • divide and conquer6
  • strings6
  • interactive5
  • 2-sat4
  • hashing3
  • matrices3
  • shortest paths3
  • ternary search2
  • games2
  • flows2
  • Other (4 tags)5
  • 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.

    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    LessMore (max 31/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 14/day in 2025)

    28
    +128
    2188
    2025-01-04 17:05Hello 2025621+682060
    2024-12-28 17:35Good Bye 2024: 2025 is NEAR1063+261992
    2024-12-24 16:35Educational Codeforces Round 173 (Rated for Div. 2)1316-691966
    2024-12-19 17:35Codeforces Global Round 281092-172035
    2024-11-30 17:35Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)774+702052
    2024-11-23 17:35CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)442+2101982
    2024-11-17 16:50Codeforces Round 988 (Div. 3)39+2601772