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RainRecall

Open on Codeforces · Unique solved

Rating2339· International 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
16
Unique solved
373
Submissions (all)
874
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.

  • Unrated26
  • 800–89920
  • 900–9994
  • 1000–10996
  • 1100–11995
  • 1200–12996
  • 1300–139911

Solved by topic

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

  • math148
  • greedy136
  • dp130
  • constructive algorithms87
  • brute force86
  • data structures84
  • combinatorics

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)111+1082339
2026-04-13 16:35Codeforces Round 1093 (Div. 1)253+182231
2026-03-28 17:15Nebius Round 2 (Codeforces Round 1088, Div. 1 + Div. 2)340+462213
2026-03-16 16:50Educational Codeforces Round 188 (Rated for Div. 2)48+872167
2026-03-14 16:35Codeforces Round 1086 (Div. 2)
1400–1499
7
  • 1500–15995
  • 1600–16995
  • 1700–17997
  • 1800–189911
  • 1900–19995
  • 2000–20999
  • 2100–219923
  • 2200–229925
  • 2300–239920
  • 2400–249938
  • 2500–259929
  • 2600–269938
  • 2700–279926
  • 2800–289923
  • 2900–29998
  • 3000–309911
  • 3100–31993
  • 3200–32992
  • 66
  • implementation57
  • binary search54
  • number theory52
  • graphs50
  • dfs and similar48
  • bitmasks47
  • trees43
  • sortings36
  • two pointers28
  • divide and conquer27
  • strings26
  • interactive25
  • dsu21
  • probabilities21
  • shortest paths11
  • games9
  • hashing9
  • graph matchings7
  • geometry6
  • matrices6
  • *special6
  • Other (7 tags)19
  • 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 13/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 38/day in 2026)

    196
    +41
    2080
    2026-02-26 17:05Codeforces Round 1083 (Div. 2)318+22039
    2026-02-25 16:35Educational Codeforces Round 187 (Rated for Div. 2)350+42037
    2026-02-23 17:05Codeforces Round 1082 (Div. 1)341+752033
    2026-02-21 16:35Codeforces Round 1081 (Div. 2)582-101958
    2026-02-11 17:35Codeforces Round 1079 (Div. 1)662-421968
    2026-02-08 11:05Codeforces Round 1078 (Div. 2)128+1282010
    2026-01-29 17:35Codeforces Round 1077 (Div. 2)840+681882