CF Elite Tracker
TopExploreDivisionsLearnPracticeUser solvedHelp
HelpLog inSign up

Top rated · Stats

ppc_qjd

Open on Codeforces · Unique solved

Rating2779· 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
19
Unique solved
275
Submissions (all)
778
Years with activity
2018–2026

Solved by problem rating

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

  • Unrated67
  • 800–8997
  • 900–9994
  • 1000–10993
  • 1100–11993
  • 1200–12993
  • 1300–13994

Solved by topic

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

  • math52
  • dp50
  • greedy50
  • data structures40
  • implementation37
  • constructive algorithms32
  • binary search

Rating changes

2018

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2018

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2019-12-05 16:35Codeforces Round 604 (Div. 1)22+512779
2019-10-16 17:05Codeforces Global Round 519+1232728
2019-08-25 16:40Manthan, Codefest 19 (open for everyone, rated, Div. 1 + Div. 2)64+242605
2019-06-21 19:05Codeforces Round 569 (Div. 1)6+2242581
2019-06-01 16:50Codeforces Global Round 3
1400–1499
2
  • 1500–15996
  • 1600–16996
  • 1700–179912
  • 1800–189915
  • 1900–199913
  • 2000–20996
  • 2100–21994
  • 2200–229910
  • 2300–23993
  • 2400–249912
  • 2500–259910
  • 2600–269912
  • 2700–279917
  • 2800–289910
  • 2900–299910
  • 3000–30999
  • 3100–319910
  • 3200–32997
  • 3300–33995
  • 3400–34991
  • 3500–35994
  • 31
  • brute force24
  • dfs and similar22
  • trees21
  • graphs21
  • geometry17
  • strings16
  • sortings14
  • number theory13
  • two pointers13
  • combinatorics11
  • bitmasks9
  • divide and conquer9
  • probabilities7
  • hashing6
  • string suffix structures6
  • flows5
  • graph matchings5
  • shortest paths5
  • dsu5
  • interactive4
  • matrices4
  • Other (7 tags)12
  • 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.

    2019

    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.

    2020

    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.

    2021

    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.

    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 2018)

    2019

    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 21/day in 2019)

    2020

    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 46/day in 2020)

    2021

    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 31/day in 2021)

    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 2/day in 2026)

    348
    -50
    2357
    2019-05-26 17:35Codeforces Round 562 (Div. 1)159-442407
    2019-04-29 16:35Codeforces Round 556 (Div. 1)82+432451
    2019-04-20 20:35Forethought Future Cup - Elimination Round172-342408
    2019-04-06 13:35Codeforces Global Round 2159+12442
    2019-03-30 19:10Codeforces Round 549 (Div. 1)37+722441
    2018-12-30 17:15Good Bye 2018352-212369
    2018-12-16 17:05Avito Cool Challenge 2018272-702390