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Moiezen

Open on Codeforces · Unique solved

Rating2399· 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
13
Unique solved
205
Submissions (all)
361
Years with activity
2015–2026

Solved by problem rating

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

  • Unrated23
  • 800–89930
  • 900–9998
  • 1000–10999
  • 1100–11998
  • 1200–129911
  • 1300–139911

Solved by topic

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

  • greedy76
  • math62
  • implementation46
  • dp38
  • constructive algorithms31
  • data structures28
  • sortings

Rating changes

2015

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2015

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2017-10-16 13:05Codeforces Round 441 (Div. 1, by Moscow Team Olympiad)70+102399
2017-07-11 18:45Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals)6+2902389
2017-02-14 11:05Codeforces Round 397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined)298+112099
2016-12-18 13:05Codeforces Round 386 (Div. 2)4+1972088
2016-12-17 18:35
1400–1499
5
  • 1500–159913
  • 1600–16999
  • 1700–17994
  • 1800–18999
  • 1900–199911
  • 2000–20995
  • 2100–219912
  • 2200–22997
  • 2300–23991
  • 2400–24995
  • 2500–259910
  • 2600–26995
  • 2700–27993
  • 2800–28991
  • 2900–29993
  • 3100–31991
  • 3200–32991
  • 25
  • binary search23
  • graphs20
  • trees19
  • brute force18
  • strings16
  • dfs and similar15
  • two pointers15
  • number theory14
  • divide and conquer10
  • combinatorics10
  • bitmasks10
  • geometry9
  • games8
  • interactive7
  • dsu7
  • ternary search5
  • probabilities4
  • shortest paths3
  • fft3
  • expression parsing3
  • *special2
  • Other (6 tags)7
  • 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.

    2016

    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.

    2017

    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 9/day in 2015)

    2016

    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 15/day in 2016)

    2017

    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 18/day in 2017)

    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 24/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 11/day in 2026)

    Codeforces Round 385 (Div. 1)
    412
    -16
    1891
    2016-07-22 18:35Codeforces Round 364 (Div. 2)95+781907
    2016-03-30 18:35Codeforces Round 346 (Div. 2)288+181829
    2016-03-28 18:35VK Cup 2016 - Round 1 (Div. 2 Edition)220-21811
    2016-03-07 11:25Codeforces Round 345 (Div. 2)201+371813
    2016-02-04 19:05AIM Tech Round (Div. 2)233+621776
    2016-01-23 17:35Codeforces Round 340 (Div. 2)979-481714
    2016-01-08 16:05Codeforces Round 338 (Div. 2)34+2141762