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porzlck

Open on Codeforces · Unique solved

Rating2363· 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
9
Unique solved
773
Submissions (all)
1,016
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.

  • Unrated34
  • 800–899185
  • 900–99941
  • 1000–109942
  • 1100–119957
  • 1200–129955
  • 1300–139956

Solved by topic

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

  • greedy305
  • implementation270
  • math263
  • brute force143
  • sortings117
  • data structures115
  • dp

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
2026-04-25 17:05Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)31+2352363
2026-02-11 17:35Codeforces Round 1079 (Div. 1)718-932128
2026-02-08 11:05Codeforces Round 1078 (Div. 2)10+1662221
2026-01-29 17:35Codeforces Round 1077 (Div. 2)86+1272055
2026-01-23 16:35Codeforces Round 1075 (Div. 2)
1400–1499
32
  • 1500–159943
  • 1600–169940
  • 1700–179945
  • 1800–189930
  • 1900–199934
  • 2000–209928
  • 2100–219917
  • 2200–229916
  • 2300–23997
  • 2400–24996
  • 2500–25992
  • 2700–27991
  • 2900–29992
  • 113
  • constructive algorithms108
  • binary search91
  • strings74
  • number theory55
  • dfs and similar54
  • bitmasks47
  • graphs45
  • two pointers44
  • trees36
  • combinatorics28
  • dsu20
  • geometry20
  • games17
  • *special17
  • interactive15
  • shortest paths12
  • divide and conquer11
  • hashing7
  • probabilities5
  • communication5
  • ternary search4
  • Other (8 tags)17
  • 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
    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 10/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 7/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 50/day in 2026)

    33
    +307
    1928
    2026-01-18 16:50Codeforces Round 1074 (Div. 4)14+3711621
    2026-01-17 17:35Codeforces Round 1073 (Div. 2)1012+3301250
    2025-12-29 16:35Educational Codeforces Round 186 (Rated for Div. 2)922+501920
    2024-05-20 16:50Codeforces Round 946 (Div. 3)10523+419419