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nldr

Open on Codeforces · Unique solved

Rating2265· 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
14
Unique solved
80
Submissions (all)
189
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.

  • Unrated6
  • 800–89910
  • 1000–10992
  • 1100–11993
  • 1200–12993
  • 1300–13997
  • 1400–14994

Solved by topic

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

  • greedy44
  • math24
  • dp23
  • data structures21
  • constructive algorithms20
  • implementation12
  • 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)618-522265
2026-02-23 17:05Codeforces Round 1082 (Div. 1)198+352317
2026-01-29 17:35Codeforces Round 1077 (Div. 1)398-582282
2026-01-17 17:35Codeforces Round 1073 (Div. 1)219+322340
2025-12-19 17:05Codeforces Global Round 31 (Div. 1 + Div. 2)
1500–1599
2
  • 1600–16992
  • 1700–17994
  • 1800–18993
  • 1900–19996
  • 2000–20993
  • 2100–21996
  • 2200–22991
  • 2300–23993
  • 2400–24991
  • 2500–25993
  • 2600–26991
  • 2700–27992
  • 2800–28993
  • 2900–29992
  • 3000–30991
  • 3100–31992
  • 11
  • sortings9
  • divide and conquer8
  • games8
  • graphs7
  • brute force7
  • strings7
  • trees7
  • binary search7
  • dsu6
  • number theory6
  • two pointers5
  • dfs and similar5
  • probabilities4
  • bitmasks3
  • fft2
  • interactive2
  • *special1
  • 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 15/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 16/day in 2026)

    345
    +21
    2308
    2025-12-06 10:15Codeforces Round 1069 (Div. 1)16+3382287
    2025-11-14 16:35Educational Codeforces Round 184 (Rated for Div. 2)1081-381949
    2025-10-06 16:35Educational Codeforces Round 183 (Rated for Div. 2)159+921987
    2025-10-03 17:35Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)544+1721895
    2025-09-20 17:35Codeforces Global Round 29 (Div. 1 + Div. 2)2263+851723
    2025-08-24 16:35Codeforces Round 1044 (Div. 2)1130+1651638
    2025-08-07 17:35Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2)682+3851473