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Edu175

Open on Codeforces · Unique solved

Rating2366· 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
147
Unique solved
2,146
Submissions (all)
5,135
Years with activity
2021–2026

Solved by problem rating

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

  • Unrated664
  • 800–899314
  • 900–99955
  • 1000–109973
  • 1100–119980
  • 1200–129973
  • 1300–139974

Solved by topic

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

  • greedy735
  • math639
  • constructive algorithms415
  • implementation406
  • brute force354
  • dp328
  • data structures

Rating changes

2021

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

Jan
Feb
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Apr
May

Submission volume

Download all years PNG

2021

Download PNG

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

Jan
Feb
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Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2026-04-25 17:05Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)383-312366
2026-04-13 16:35Codeforces Round 1093 (Div. 1)177+52397
2026-03-28 17:15Nebius Round 2 (Codeforces Round 1088, Div. 1 + Div. 2)503-532392
2026-02-23 17:05Codeforces Round 1082 (Div. 1)147+232445
2026-02-11 17:35Codeforces Round 1079 (Div. 1)
1400–1499
74
  • 1500–159958
  • 1600–169962
  • 1700–179981
  • 1800–189978
  • 1900–199975
  • 2000–209957
  • 2100–219957
  • 2200–229945
  • 2300–239951
  • 2400–249941
  • 2500–259944
  • 2600–269929
  • 2700–279918
  • 2800–289915
  • 2900–299911
  • 3000–30995
  • 3100–31995
  • 3200–32993
  • 3300–33992
  • 3400–34991
  • 3500–35991
  • 280
  • sortings232
  • binary search215
  • dfs and similar159
  • number theory157
  • graphs147
  • combinatorics146
  • bitmasks138
  • strings132
  • trees130
  • two pointers115
  • games68
  • dsu68
  • interactive64
  • divide and conquer55
  • geometry40
  • shortest paths29
  • hashing27
  • probabilities26
  • *special26
  • matrices15
  • flows14
  • Other (10 tags)61
  • 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.

    2022

    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.

    2023

    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.

    2024

    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.

    2025

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

    Jan
    Feb
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    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.

    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
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    Dec

    LessMore (max 13/day in 2021)

    2022

    Download PNG

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

    Jan
    Feb
    Mar
    Apr
    May
    Jun
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    LessMore (max 20/day in 2022)

    2023

    Download PNG

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

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
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    Dec

    LessMore (max 36/day in 2023)

    2024

    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 55/day in 2024)

    2025

    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 41/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 33/day in 2026)

    94
    +87
    2422
    2025-12-27 17:35Good Bye 2025562-192335
    2025-12-19 17:05Codeforces Global Round 31 (Div. 1 + Div. 2)237+472354
    2025-11-16 16:35Codeforces Round 1064 (Div. 1)656-1102307
    2025-10-30 19:35Pinely Round 5 (Div. 1 + Div. 2)91+662417
    2025-10-12 17:05Codeforces Round 1058 (Div. 1)205+332351
    2025-10-03 17:35Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)301+372318
    2025-09-24 14:50Codeforces Round 1053 (Div. 1)676-892281