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Top rated · Stats

GekkouHe

Open on Codeforces · Unique solved

Rating2645· International Grandmaster

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
20
Unique solved
178
Submissions (all)
345
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.

  • Unrated3
  • 800–89929
  • 900–9996
  • 1000–10997
  • 1100–11997
  • 1200–12999
  • 1300–13997

Solved by topic

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

  • greedy93
  • math64
  • constructive algorithms53
  • dp46
  • implementation45
  • brute force35
  • 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
2026-02-23 17:05Codeforces Round 1082 (Div. 1)15+1932645
2026-01-17 17:35Codeforces Round 1073 (Div. 1)181+152452
2026-01-07 17:35Hello 2026108+1032437
2025-12-27 17:35Good Bye 202569+2002334
2025-12-06 10:15Codeforces Round 1069 (Div. 1)88+220
1400–1499
10
  • 1500–159912
  • 1600–16996
  • 1700–179911
  • 1800–189911
  • 1900–199912
  • 2000–209911
  • 2100–219912
  • 2200–22995
  • 2300–23995
  • 2400–24994
  • 2500–25995
  • 2600–26991
  • 2800–28993
  • 2900–29992
  • 34
  • binary search26
  • combinatorics23
  • sortings21
  • two pointers19
  • trees16
  • bitmasks16
  • number theory15
  • strings13
  • graphs12
  • interactive12
  • dfs and similar12
  • dsu9
  • divide and conquer9
  • games9
  • probabilities6
  • hashing5
  • geometry4
  • ternary search4
  • communication3
  • fft2
  • graph matchings2
  • Other (4 tags)4
  • 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 11/day in 2026)

    2134
    2025-12-05 16:35Codeforces Round 1068 (Div. 2)728-131914
    2025-11-23 12:35Codeforces Round 1066 (Div. 1 + Div. 2)2030-891927
    2025-11-14 16:35Educational Codeforces Round 184 (Rated for Div. 2)89+1262016
    2025-11-10 17:05Codeforces Round 1063 (Div. 2)256+861890
    2025-11-06 17:35Codeforces Global Round 30 (Div. 1 + Div. 2)826+851804
    2025-10-24 16:35Codeforces Round 1061 (Div. 2)1449+41719
    2025-10-19 16:35Codeforces Round 1060 (Div. 2)3252-761715