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ultimate_ACE

Open on Codeforces · Unique solved

Rating2134· 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
64
Submissions (all)
104
Years with activity
2020–2025

Solved by problem rating

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

  • 800–89910
  • 900–9993
  • 1000–10993
  • 1100–11993
  • 1200–12995
  • 1300–13995
  • 1400–14994

Solved by topic

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

  • math33
  • greedy31
  • implementation21
  • brute force18
  • constructive algorithms18
  • dp12
  • number theory

Rating changes

2020

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2020

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2025-01-17 16:35Codeforces Round 997 (Div. 2)112+552134
2020-08-25 16:35Educational Codeforces Round 94 (Rated for Div. 2)154+702079
2020-08-21 16:35Codeforces Round 665 (Div. 2)1052-472009
2020-08-16 17:35Codeforces Global Round 101403-522056
2020-07-29 16:35Educational Codeforces Round 92 (Rated for Div. 2)
1500–1599
6
  • 1600–16992
  • 1700–17995
  • 1800–18992
  • 1900–19994
  • 2000–20995
  • 2100–21992
  • 2200–22994
  • 2500–25991
  • 9
  • data structures8
  • sortings7
  • dfs and similar6
  • combinatorics5
  • binary search5
  • two pointers5
  • strings5
  • trees5
  • dsu3
  • divide and conquer3
  • graphs3
  • games3
  • 2-sat1
  • geometry1
  • bitmasks1
  • shortest paths1
  • hashing1
  • string suffix structures1
  • 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.

    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 11/day in 2020)

    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 1/day in 2023)

    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 8/day in 2025)

    101
    +106
    2108
    2020-06-23 16:05Codeforces Round 652 (Div. 2)812-212002
    2020-06-20 16:50Codeforces Round 651 (Div. 2)161+972023
    2020-06-18 17:15Codeforces Global Round 81458+131926
    2020-06-07 16:50Codeforces Round 648 (Div. 2)887+181913
    2020-05-31 16:35Codeforces Round 646 (Div. 2)696+531895
    2020-05-28 16:35Educational Codeforces Round 88 (Rated for Div. 2)369+1151842
    2020-03-19 17:05Codeforces Global Round 73133-281727