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BobPang

Open on Codeforces · Unique solved

Rating2123· 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
10
Unique solved
76
Submissions (all)
160
Years with activity
2023–2026

Solved by problem rating

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

  • Unrated7
  • 800–89914
  • 900–9992
  • 1000–10994
  • 1100–11995
  • 1200–12992
  • 1300–13994

Solved by topic

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

  • greedy38
  • math34
  • brute force19
  • implementation18
  • constructive algorithms18
  • binary search15

Rating changes

2023

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2023

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2025-11-23 12:35Codeforces Round 1066 (Div. 1 + Div. 2)330+782123
2025-08-07 17:35Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2)2408-1132045
2025-05-31 16:35Codeforces Round 1028 (Div. 1)414+212158
2025-05-17 16:50Codeforces Round 1025 (Div. 2)57+922137
2025-05-11 17:05Codeforces Round 1024 (Div. 1)
1400–1499
5
  • 1500–15994
  • 1600–16991
  • 1700–17995
  • 1800–18992
  • 1900–19993
  • 2000–20993
  • 2100–21993
  • 2200–22994
  • 2300–23991
  • 2400–24993
  • 2600–26991
  • 2800–28991
  • 3100–31991
  • 3500–35991
  • dp
    15
  • data structures12
  • sortings12
  • dfs and similar9
  • graphs8
  • interactive7
  • *special6
  • strings6
  • number theory6
  • trees6
  • games5
  • combinatorics5
  • bitmasks4
  • dsu4
  • two pointers4
  • divide and conquer3
  • geometry3
  • graph matchings2
  • ternary search2
  • hashing2
  • flows2
  • string suffix structures1
  • 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.

    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.

    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 2/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 14/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 32/day in 2026)

    656
    +0
    2045
    2025-05-01 16:35Codeforces Round 1022 (Div. 2)28+2602045
    2025-04-28 16:35Educational Codeforces Round 178 (Rated for Div. 2)123+2731785
    2025-04-24 16:50Codeforces Round 1020 (Div. 3)39+4161512
    2025-04-19 16:35Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2)1854+4061096
    2025-04-03 16:35Educational Codeforces Round 177 (Rated for Div. 2)362+690690