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elffuhs_R

Open on Codeforces · Unique solved

Rating2351· 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
26
Unique solved
216
Submissions (all)
456
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.

  • Unrated1
  • 800–89944
  • 900–9996
  • 1000–109910
  • 1100–11999
  • 1200–129914
  • 1300–139915

Solved by topic

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

  • greedy108
  • math88
  • constructive algorithms56
  • dp52
  • brute force48
  • implementation43
  • 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
2025-12-06 10:15Codeforces Round 1069 (Div. 1)21+2652351
2025-11-23 12:35Codeforces Round 1066 (Div. 1 + Div. 2)643+92086
2025-11-16 16:35Codeforces Round 1064 (Div. 1)409+352077
2025-10-12 17:05Codeforces Round 1058 (Div. 1)531+42042
2025-10-10 16:50Codeforces Round 1057 (Div. 2)364
1400–1499
10
  • 1500–15996
  • 1600–16997
  • 1700–179910
  • 1800–189911
  • 1900–199912
  • 2000–20999
  • 2100–21996
  • 2200–22999
  • 2300–23994
  • 2400–249910
  • 2500–25997
  • 2600–26996
  • 2700–27993
  • 2800–28994
  • 3000–30991
  • 3200–32991
  • 3500–35991
  • 37
  • sortings30
  • number theory28
  • binary search24
  • combinatorics23
  • graphs20
  • dfs and similar19
  • bitmasks18
  • trees15
  • games14
  • two pointers12
  • interactive10
  • strings9
  • dsu8
  • probabilities8
  • divide and conquer6
  • shortest paths6
  • graph matchings3
  • ternary search3
  • geometry3
  • flows2
  • matrices2
  • Other (2 tags)3
  • 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 24/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 6/day in 2026)

    +10
    2038
    2025-10-06 16:35Educational Codeforces Round 183 (Rated for Div. 2)79+1252028
    2025-10-03 17:35Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)2291-591903
    2025-09-24 14:50Codeforces Round 1053 (Div. 2)93+911962
    2025-09-21 16:50Codeforces Round 1052 (Div. 2)1604-571871
    2025-09-20 17:35Codeforces Global Round 29 (Div. 1 + Div. 2)2048-521928
    2025-09-17 16:35Codeforces Round 1051 (Div. 2)214+771980
    2025-09-15 16:35Educational Codeforces Round 182 (Rated for Div. 2)677+181903