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XVIII

Open on Codeforces · Unique solved

Rating3169· Legendary 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
13
Unique solved
192
Submissions (all)
299
Years with activity
2025–2026

Solved by problem rating

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

  • Unrated13
  • 800–89927
  • 900–9992
  • 1000–10996
  • 1100–11997
  • 1200–12995
  • 1300–1399

Solved by topic

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

  • greedy83
  • math76
  • dp61
  • constructive algorithms39
  • data structures39
  • brute force34
  • implementation

Rating changes

2025

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2025

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2026-04-25 17:05Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)3+1763169
2026-04-13 16:35Codeforces Round 1093 (Div. 1)28+122993
2026-03-28 17:15Nebius Round 2 (Codeforces Round 1088, Div. 1 + Div. 2)28+222981
2026-02-23 17:05Codeforces Round 1082 (Div. 1)9+1412959
2026-01-29 17:35Codeforces Round 1077 (Div. 1)
10
  • 1400–14995
  • 1500–15995
  • 1600–16994
  • 1700–17994
  • 1800–18998
  • 1900–19999
  • 2000–20998
  • 2100–21997
  • 2200–22995
  • 2300–23997
  • 2400–24995
  • 2500–259911
  • 2600–26996
  • 2700–27992
  • 2800–28996
  • 2900–299910
  • 3000–30993
  • 3100–31992
  • 3200–32991
  • 3300–33993
  • 3500–359911
  • 32
  • combinatorics28
  • trees27
  • bitmasks26
  • graphs23
  • binary search22
  • sortings22
  • dfs and similar19
  • number theory19
  • strings16
  • dsu11
  • two pointers11
  • games10
  • divide and conquer9
  • interactive8
  • probabilities6
  • fft6
  • *special5
  • graph matchings4
  • geometry4
  • matrices4
  • hashing3
  • Other (6 tags)9
  • Jun
    Jul
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    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 12/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 36/day in 2026)

    14
    +150
    2818
    2026-01-17 17:35Codeforces Round 1073 (Div. 1)11+2382668
    2025-11-16 16:35Codeforces Round 1064 (Div. 1)189+132430
    2025-11-06 17:35Codeforces Global Round 30 (Div. 1 + Div. 2)229+692417
    2025-10-30 19:35Pinely Round 5 (Div. 1 + Div. 2)210+862348
    2025-10-12 17:05Codeforces Round 1058 (Div. 2)1+3642262
    2025-10-10 16:50Codeforces Round 1057 (Div. 2)53+3341898
    2025-10-06 16:35Educational Codeforces Round 183 (Rated for Div. 2)4+6381564