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Top rated · Stats

hesihesiwujiuwu

Open on Codeforces · Unique solved

Rating2218· 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
14
Unique solved
161
Submissions (all)
416
Years with activity
2016–2026

Solved by problem rating

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

  • Unrated21
  • 800–89912
  • 900–9997
  • 1000–10994
  • 1100–119910
  • 1200–12995
  • 1300–13995

Solved by topic

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

  • greedy56
  • math47
  • implementation47
  • constructive algorithms31
  • brute force29
  • dp29
  • dfs and similar

Rating changes

2016

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2016

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2025-07-19 16:50Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2)846-282218
2025-06-03 16:35Educational Codeforces Round 179 (Rated for Div. 2)14+1402246
2025-05-31 16:35Codeforces Round 1028 (Div. 1)461+232106
2025-05-24 16:35Codeforces Round 1026 (Div. 2)187+412083
2025-05-17 16:50Codeforces Round 1025 (Div. 2)
1400–1499
7
  • 1500–159912
  • 1600–169911
  • 1700–179911
  • 1800–18997
  • 1900–19995
  • 2000–20997
  • 2100–21997
  • 2200–22994
  • 2300–23996
  • 2400–24994
  • 2500–25993
  • 2600–26992
  • 2700–27997
  • 2800–28992
  • 2900–29992
  • 20
  • data structures20
  • graphs17
  • sortings16
  • strings14
  • number theory13
  • bitmasks12
  • trees12
  • binary search10
  • two pointers8
  • combinatorics7
  • dsu5
  • probabilities4
  • interactive4
  • geometry3
  • matrices3
  • hashing2
  • games1
  • shortest paths1
  • 2-sat1
  • flows1
  • chinese remainder theorem1
  • Other (2 tags)2
  • 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.

    2018

    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.

    2019

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

    Jan
    Feb
    Mar
    Apr
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    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.

    2020

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

    Jan
    Feb
    Mar
    Apr
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    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.

    2022

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

    Jan
    Feb
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    Jun
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    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
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    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
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    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
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    LessMore (max 8/day in 2016)

    2017

    Download PNG

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

    Jan
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    LessMore (max 17/day in 2017)

    2018

    Download PNG

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

    Jan
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    LessMore (max 15/day in 2018)

    2019

    Download PNG

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

    Jan
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    LessMore (max 1/day in 2019)

    2020

    Download PNG

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

    Jan
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    May
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    LessMore (max 33/day in 2020)

    2022

    Download PNG

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

    Jan
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    LessMore (max 2/day in 2022)

    2025

    Download PNG

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

    Jan
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    Jun
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    LessMore (max 10/day in 2025)

    2026

    Download PNG

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

    Jan
    Feb
    Mar
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    LessMore (max 7/day in 2026)

    263
    +22
    2042
    2018-05-15 16:45Codeforces Round 483 (Div. 1) [Thanks, Botan Investments and Victor Shaburov!]475-872020
    2018-03-09 10:40Codeforces Round 469 (Div. 1)194+102107
    2017-12-28 16:05Educational Codeforces Round 35 (Rated for Div. 2)1+2862097
    2017-12-23 16:05Codeforces Round 454 (Div. 2, based on Technocup 2018 Elimination Round 4)49+1831811
    2017-12-16 13:35Codeforces Round 451 (Div. 2)595+231628
    2017-10-05 10:05Codeforces Round 438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined)798+331605
    2017-09-25 12:35Codeforces Round 436 (Div. 2)1712-691572