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toberu

Open on Codeforces · Unique solved

Rating2529· 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
141
Submissions (all)
374
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.

  • Unrated38
  • 800–89915
  • 900–9995
  • 1000–10993
  • 1100–11996
  • 1200–12992
  • 1300–13992

Solved by topic

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

  • greedy54
  • math46
  • constructive algorithms34
  • dp25
  • implementation23
  • brute force22
  • data structures

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)105+442529
2025-12-19 17:05Codeforces Global Round 31 (Div. 1 + Div. 2)67+1332485
2025-11-23 12:35Codeforces Round 1066 (Div. 1 + Div. 2)86+1432352
2025-10-12 17:05Codeforces Round 1058 (Div. 1)673-882209
2025-10-03 17:35Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)
1400–1499
6
  • 1500–15992
  • 1600–16996
  • 1700–17997
  • 1800–18993
  • 1900–19997
  • 2000–20995
  • 2100–21998
  • 2200–22994
  • 2300–23996
  • 2400–24992
  • 2500–25997
  • 2600–26992
  • 2700–27991
  • 2800–28992
  • 3000–30991
  • 3200–32991
  • 19
  • sortings17
  • bitmasks16
  • binary search15
  • interactive14
  • number theory12
  • trees11
  • dfs and similar10
  • combinatorics10
  • graphs9
  • strings9
  • divide and conquer8
  • two pointers7
  • probabilities6
  • dsu5
  • games4
  • geometry3
  • hashing2
  • ternary search2
  • string suffix structures1
  • expression parsing1
  • flows1
  • Other (4 tags)4
  • 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 36/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 12/day in 2026)

    263
    +59
    2297
    2025-08-28 17:35Codeforces Round 1046 (Div. 1)190+902238
    2025-07-19 16:50Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2)1327-582148
    2025-07-06 17:35EPIC Institute of Technology Round Summer 2025 (Codeforces Round 1036, Div. 1 + Div. 2)626+272206
    2025-04-28 16:35Educational Codeforces Round 178 (Rated for Div. 2)24+2152179
    2025-04-26 11:35Codeforces Round 1021 (Div. 2)45+2101964
    2025-04-21 16:35Codeforces Round 1019 (Div. 2)28+4371754
    2025-04-13 17:50Codeforces Round 1017 (Div. 4)13+5531317