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Kokuto-Mikiya

Open on Codeforces · Unique solved

Rating2131· 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
84
Submissions (all)
167
Years with activity
2024–2026

Solved by problem rating

Unique accepted problems, bucketed by catalog rating (100‑point bands). Unrated = no rating in the problem set.

  • 800–89915
  • 900–9994
  • 1000–10994
  • 1100–11997
  • 1200–12999
  • 1300–13994
  • 1400–14997

Solved by topic

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

  • greedy49
  • math38
  • implementation32
  • sortings23
  • brute force21
  • dp18
  • constructive algorithms

Rating changes

2024

Sum of rating deltas on each UTC day (GitHub-style weeks, Sunday top).

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2024

Download PNG

Count of submissions per UTC day (includes every verdict).

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2024-11-10 17:35Codeforces Round 986 (Div. 2)37+1272131
2024-10-19 16:20Codeforces Round 979 (Div. 2)371+172004
2024-10-14 16:35Educational Codeforces Round 170 (Rated for Div. 2)241+641987
2024-10-06 08:05Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)608+121923
2024-09-27 16:05Codeforces Round 975 (Div. 1)
1500–1599
6
  • 1600–16994
  • 1700–17998
  • 1800–18995
  • 1900–19993
  • 2000–20992
  • 2100–21992
  • 2200–22991
  • 2300–23993
  • 18
  • binary search16
  • strings14
  • data structures13
  • combinatorics12
  • two pointers10
  • games8
  • number theory6
  • dfs and similar6
  • graphs5
  • trees4
  • geometry3
  • dsu3
  • probabilities2
  • ternary search1
  • fft1
  • 2-sat1
  • bitmasks1
  • divide and conquer1
  • 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 16/day in 2024)

    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 15/day in 2026)

    1069
    -79
    1911
    2024-09-14 16:35Codeforces Round 972 (Div. 2)418+291990
    2024-08-30 17:05Codeforces Round 969 (Div. 1)620+351961
    2024-08-25 16:35Codeforces Round 968 (Div. 2)269+821926
    2024-07-07 16:50Codeforces Round 956 (Div. 2) and ByteRace 20241074-11844
    2024-06-27 16:35Educational Codeforces Round 167 (Rated for Div. 2)132+1661845
    2024-06-25 16:35Codeforces Round 955 (Div. 2, with prizes from NEAR!)549+1641679
    2024-05-31 12:05Codeforces Round 949 (Div. 2)4582+131515