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no_dream

Open on Codeforces · Unique solved

Rating2813· International Grandmaster

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
25
Unique solved
334
Submissions (all)
973
Years with activity
2021–2025

Solved by problem rating

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

  • Unrated1
  • 800–89926
  • 900–9996
  • 1000–10997
  • 1100–11998
  • 1200–12995
  • 1300–139912

Solved by topic

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

  • greedy152
  • math125
  • constructive algorithms108
  • dp86
  • implementation82
  • brute force73
  • data structures

Rating changes

2021

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2021

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2024-10-27 17:35Codeforces Global Round 2714+1672813
2024-09-27 16:05Codeforces Round 975 (Div. 1)144-142646
2024-03-30 17:35CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)33+1502660
2024-03-16 17:00Codeforces Round 934 (Div. 1)251-302510
2024-01-27 16:45Codeforces Round 921 (Div. 1)188
1400–1499
22
  • 1500–15999
  • 1600–169910
  • 1700–179919
  • 1800–189915
  • 1900–199922
  • 2000–209910
  • 2100–219912
  • 2200–229911
  • 2300–239920
  • 2400–249920
  • 2500–259916
  • 2600–26998
  • 2700–27999
  • 2800–289913
  • 2900–29996
  • 3000–309910
  • 3100–31999
  • 3200–32998
  • 3300–33997
  • 3400–34997
  • 3500–35996
  • 62
  • sortings54
  • trees49
  • graphs44
  • binary search42
  • dfs and similar42
  • bitmasks37
  • two pointers27
  • combinatorics25
  • number theory24
  • strings22
  • dsu21
  • games16
  • interactive14
  • divide and conquer12
  • geometry11
  • probabilities10
  • hashing8
  • shortest paths8
  • flows7
  • matrices7
  • graph matchings7
  • Other (7 tags)9
  • 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.

    2022

    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.

    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.

    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    LessMore (max 27/day in 2021)

    2022

    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 28/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 31/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 62/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 2/day in 2025)

    -15
    2540
    2023-12-23 17:35Pinely Round 3 (Div. 1 + Div. 2)85+742555
    2023-10-22 13:05Codeforces Round 905 (Div. 1)83+962481
    2023-09-30 17:35Codeforces Round 901 (Div. 1)209+282385
    2023-07-29 17:05Codeforces Round 889 (Div. 1)120+1062357
    2023-04-29 16:50Codeforces Round 869 (Div. 1)126+1332251
    2023-04-15 11:05Codeforces Round 866 (Div. 1)472-412118
    2023-01-03 17:05Hello 2023230+1322159