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Top rated · Stats

Alexey_Kulaev

Open on Codeforces · Unique solved

Rating2129· 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
269
Submissions (all)
1,250
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.

  • Unrated63
  • 800–89921
  • 900–9995
  • 1000–10995
  • 1100–119910
  • 1200–12995
  • 1300–13996

Solved by topic

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

  • greedy91
  • math83
  • dp67
  • data structures60
  • constructive algorithms55
  • brute force51
  • 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
2024-12-24 16:35Educational Codeforces Round 173 (Rated for Div. 2)29+1462129
2024-04-30 17:05Codeforces Round 942 (Div. 2)62+1181983
2024-04-29 16:35Educational Codeforces Round 165 (Rated for Div. 2)1646-581865
2024-04-27 16:35Codeforces Round 941 (Div. 2)175+561923
2024-04-21 16:50Codeforces Round 940 (Div. 2) and CodeCraft-23
1400–1499
7
  • 1500–15993
  • 1600–169912
  • 1700–17999
  • 1800–189910
  • 1900–199916
  • 2000–209919
  • 2100–219913
  • 2200–229910
  • 2300–239923
  • 2400–24997
  • 2500–259910
  • 2600–26997
  • 2700–27993
  • 2800–28994
  • 3400–34991
  • 45
  • binary search36
  • combinatorics30
  • dfs and similar29
  • graphs29
  • sortings28
  • number theory25
  • bitmasks22
  • two pointers22
  • trees22
  • strings18
  • dsu14
  • hashing9
  • games9
  • divide and conquer7
  • interactive7
  • geometry7
  • shortest paths6
  • probabilities5
  • string suffix structures2
  • fft2
  • flows2
  • Other (3 tags)4
  • 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 14/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 16/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 76/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 45/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 12/day in 2026)

    150
    +144
    1867
    2024-03-05 16:35Codeforces Round 932 (Div. 2)1731+21723
    2024-02-29 16:35Codeforces Round 930 (Div. 2)768+411721
    2024-02-23 16:35Educational Codeforces Round 162 (Rated for Div. 2)888+661680
    2024-02-17 17:35think-cell Round 12637-81614
    2024-02-13 16:50Codeforces Round 925 (Div. 3)370+1501622
    2024-02-06 17:00Codeforces Round 923 (Div. 3)3975+621472
    2024-01-30 16:45Codeforces Round 922 (Div. 2)2014+1861410