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Jensen123

Open on Codeforces · Unique solved

Rating2169· 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
123
Unique solved
1,736
Submissions (all)
3,845
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.

  • Unrated72
  • 800–899290
  • 900–99961
  • 1000–109971
  • 1100–119988
  • 1200–129973
  • 1300–139976

Solved by topic

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

  • greedy795
  • math657
  • dp447
  • implementation407
  • constructive algorithms376
  • data structures351

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
2026-04-25 17:05Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)410+262169
2026-04-13 16:35Codeforces Round 1093 (Div. 1)215+792143
2026-04-07 16:50Codeforces Round 1091 (Div. 2) and CodeCraft 26323+132064
2026-03-29 16:50Codeforces Round 1089 (Div. 2)668-362051
2026-03-28 17:15Nebius Round 2 (Codeforces Round 1088, Div. 1 + Div. 2)
1400–1499
81
  • 1500–159979
  • 1600–1699105
  • 1700–1799104
  • 1800–1899131
  • 1900–1999124
  • 2000–209999
  • 2100–2199111
  • 2200–229981
  • 2300–239947
  • 2400–249925
  • 2500–259910
  • 2600–26993
  • 2700–27995
  • brute force
    342
  • binary search263
  • sortings243
  • dfs and similar197
  • bitmasks193
  • trees182
  • graphs175
  • number theory168
  • combinatorics153
  • two pointers152
  • strings133
  • dsu77
  • interactive69
  • divide and conquer60
  • games57
  • shortest paths38
  • probabilities34
  • hashing34
  • geometry29
  • graph matchings16
  • ternary search16
  • matrices14
  • Other (10 tags)68
  • 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.

    2024

    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.

    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)

    2024

    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 55/day in 2024)

    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 37/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 42/day in 2026)

    345
    +91
    2087
    2026-03-21 16:35Codeforces Round 1087 (Div. 2)333+241996
    2026-03-14 16:35Codeforces Round 1086 (Div. 2)151+1051972
    2026-03-08 17:35Codeforces Round 1085 (Div. 1 + Div. 2)2488-1131867
    2026-02-26 17:05Codeforces Round 1083 (Div. 2)331+191980
    2026-02-25 16:35Educational Codeforces Round 187 (Rated for Div. 2)562-51961
    2026-02-23 17:05Codeforces Round 1082 (Div. 1)531+111966
    2026-02-21 16:35Codeforces Round 1081 (Div. 2)1762-961955