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Top rated · Stats

aufannn

Open on Codeforces · Unique solved

Rating2130· 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
74
Unique solved
3,506
Submissions (all)
6,819
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.

  • Unrated206
  • 800–899853
  • 900–999132
  • 1000–1099176
  • 1100–1199159
  • 1200–1299148
  • 1300–1399171

Solved by topic

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

  • greedy1,269
  • math1,246
  • implementation1,036
  • brute force664
  • constructive algorithms661
  • dp621
  • data structures

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
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2026-01-29 17:35Codeforces Round 1077 (Div. 1)324+232130
2025-12-19 17:05Codeforces Global Round 31 (Div. 1 + Div. 2)2359-1302107
2025-08-07 17:35Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2)330+532237
2025-05-11 17:05Codeforces Round 1024 (Div. 1)610-722184
2025-04-05 17:35Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2)
1400–1499
136
  • 1500–1599130
  • 1600–1699147
  • 1700–1799168
  • 1800–1899153
  • 1900–1999162
  • 2000–2099140
  • 2100–2199126
  • 2200–2299137
  • 2300–2399128
  • 2400–249993
  • 2500–259972
  • 2600–269928
  • 2700–279916
  • 2800–289911
  • 2900–29997
  • 3000–30991
  • 3100–31992
  • 3200–32993
  • 3400–34991
  • 594
  • sortings444
  • binary search388
  • number theory339
  • dfs and similar303
  • graphs282
  • strings270
  • trees246
  • two pointers218
  • bitmasks218
  • combinatorics187
  • dsu117
  • divide and conquer91
  • shortest paths87
  • games80
  • geometry75
  • interactive64
  • hashing55
  • *special35
  • flows23
  • probabilities22
  • graph matchings20
  • Other (9 tags)77
  • 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 55/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 73/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 59/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 84/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 30/day in 2026)

    502
    -3
    2256
    2024-08-11 17:35EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2)566-22259
    2024-07-28 17:35Pinely Round 4 (Div. 1 + Div. 2)428+272261
    2024-07-18 16:35Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)298+602234
    2024-06-30 17:35EPIC Institute of Technology Round Summer 2024 (Div. 1 + Div. 2)958-532174
    2024-06-09 17:35Codeforces Global Round 26564+02227
    2024-04-06 17:35Codeforces Global Round 25906-522227
    2024-03-30 17:35CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)228+842279