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hpqclab

Open on Codeforces · Unique solved

Rating2596· 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
18
Unique solved
125
Submissions (all)
242
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.

  • Unrated7
  • 800–89922
  • 900–9994
  • 1000–10996
  • 1100–11996
  • 1200–12996
  • 1300–13994

Solved by topic

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

  • greedy68
  • math48
  • implementation37
  • constructive algorithms29
  • brute force27
  • dp26
  • binary search

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
2026-04-13 16:35Codeforces Round 1093 (Div. 1)49+812596
2026-01-17 17:35Codeforces Round 1073 (Div. 1)64+1092515
2026-01-07 17:35Hello 2026216+442406
2025-12-27 17:35Good Bye 202546+2312362
2025-12-19 17:05Codeforces Global Round 31 (Div. 1 + Div. 2)149+181
1400–1499
9
  • 1500–15998
  • 1600–16992
  • 1700–17998
  • 1800–18998
  • 1900–19995
  • 2000–20992
  • 2100–21997
  • 2200–22995
  • 2300–23994
  • 2400–24992
  • 2500–25993
  • 2600–26991
  • 2700–27991
  • 2800–28992
  • 3000–30991
  • 3500–35992
  • 18
  • sortings17
  • interactive15
  • data structures14
  • number theory13
  • two pointers12
  • bitmasks11
  • trees11
  • combinatorics11
  • strings10
  • dfs and similar8
  • divide and conquer7
  • games7
  • probabilities6
  • graphs5
  • communication3
  • dsu3
  • hashing2
  • geometry2
  • ternary search1
  • graph matchings1
  • 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 19/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 9/day in 2026)

    2131
    2025-12-05 16:35Codeforces Round 1068 (Div. 2)2278-1131950
    2025-11-23 12:35Codeforces Round 1066 (Div. 1 + Div. 2)2033-1292063
    2025-11-14 16:35Educational Codeforces Round 184 (Rated for Div. 2)34+1232192
    2025-11-10 17:05Codeforces Round 1063 (Div. 2)51+1342069
    2025-11-06 17:35Codeforces Global Round 30 (Div. 1 + Div. 2)473+1111935
    2025-10-30 19:35Pinely Round 5 (Div. 1 + Div. 2)719+451824
    2025-10-24 16:35Codeforces Round 1061 (Div. 2)889+261779