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s_master0517

Open on Codeforces · Unique solved

Rating2120· 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
9
Unique solved
120
Submissions (all)
257
Years with activity
2021–2026

Solved by problem rating

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

  • Unrated9
  • 800–89922
  • 900–9997
  • 1000–10994
  • 1100–11997
  • 1200–12997
  • 1300–13994

Solved by topic

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

  • greedy49
  • math49
  • brute force32
  • implementation30
  • constructive algorithms29
  • dp26
  • 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
2026-03-16 16:50Educational Codeforces Round 188 (Rated for Div. 2)149+262120
2022-03-06 12:10Codeforces Round 775 (Div. 1, based on Moscow Open Olympiad in Informatics)380+352094
2022-02-23 12:10Codeforces Round 773 (Div. 1)516+82059
2021-12-11 12:05Codeforces Round 758 (Div.1 + Div. 2)1349-462051
2021-11-22 11:35Educational Codeforces Round 117 (Rated for Div. 2)
1400–1499
7
  • 1500–15991
  • 1600–16997
  • 1700–17997
  • 1800–18996
  • 1900–19993
  • 2000–20996
  • 2100–21995
  • 2200–22994
  • 2300–23994
  • 2400–24995
  • 2500–25993
  • 2600–26991
  • 2800–28991
  • 24
  • binary search16
  • combinatorics16
  • number theory15
  • sortings14
  • two pointers11
  • graphs10
  • dfs and similar8
  • strings8
  • trees7
  • bitmasks6
  • graph matchings3
  • probabilities3
  • interactive3
  • geometry3
  • shortest paths2
  • dsu2
  • divide and conquer2
  • flows1
  • hashing1
  • ternary search1
  • matrices1
  • Other (1 tag)1
  • 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.

    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 30/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 24/day in 2022)

    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)

    50
    +170
    2097
    2021-11-14 08:20Codeforces Round 755 (Div. 2, based on Technocup 2022 Elimination Round 2)9+3101927
    2021-10-25 08:35Codeforces Round 751 (Div. 2)15+4511617
    2021-10-24 12:35Codeforces Round 750 (Div. 2)290+4811166
    2021-10-17 13:20Codeforces Round 749 (Div. 1 + Div. 2, based on Technocup 2022 Elimination Round 1)707+685685