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pichax

Open on Codeforces · Unique solved

Rating2225· 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
35
Unique solved
573
Submissions (all)
1,519
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.

  • Unrated44
  • 800–89972
  • 900–99919
  • 1000–109923
  • 1100–119926
  • 1200–129915
  • 1300–139921

Solved by topic

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

  • math212
  • greedy198
  • dp143
  • data structures115
  • constructive algorithms111
  • brute force110
  • implementation

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
2025-06-23 16:35Educational Codeforces Round 180 (Rated for Div. 2)2+2722225
2025-05-31 16:35Codeforces Round 1028 (Div. 1)759-311953
2025-04-19 16:35Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2)448+1181984
2024-07-28 17:35Pinely Round 4 (Div. 1 + Div. 2)2192-391866
2024-07-23 16:35Codeforces Round 961 (Div. 2)
1400–1499
16
  • 1500–159921
  • 1600–169915
  • 1700–179931
  • 1800–189922
  • 1900–199914
  • 2000–209911
  • 2100–219914
  • 2200–229925
  • 2300–239921
  • 2400–249919
  • 2500–259934
  • 2600–269921
  • 2700–279915
  • 2800–289916
  • 2900–299911
  • 3000–309914
  • 3100–31998
  • 3200–329912
  • 3300–33996
  • 3400–34995
  • 3500–35992
  • 93
  • sortings72
  • binary search68
  • graphs59
  • combinatorics52
  • dfs and similar51
  • number theory49
  • trees47
  • bitmasks46
  • strings42
  • divide and conquer34
  • two pointers32
  • dsu24
  • probabilities20
  • games19
  • geometry16
  • interactive15
  • hashing14
  • fft12
  • shortest paths11
  • string suffix structures9
  • matrices8
  • Other (8 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.

    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 16/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 27/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 23/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 47/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 10/day in 2026)

    38
    +233
    1905
    2024-01-18 16:35Educational Codeforces Round 161 (Rated for Div. 2)1141+391672
    2023-08-26 17:35Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2)1789+501633
    2023-07-29 17:05Codeforces Round 889 (Div. 2)4754-741583
    2023-07-23 17:05Codeforces Round 887 (Div. 2)1782-191657
    2023-06-29 16:35Educational Codeforces Round 151 (Rated for Div. 2)1854-141676
    2023-06-18 10:05Codeforces Round 879 (Div. 2)768+391690
    2023-06-03 16:35Codeforces Round 876 (Div. 2)997+291651