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Foolish_szc

Open on Codeforces · Unique solved

Rating2157· 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
19
Unique solved
95
Submissions (all)
219
Years with activity
2024–2025

Solved by problem rating

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

  • 800–89920
  • 900–9995
  • 1000–10995
  • 1100–11997
  • 1200–12994
  • 1300–13999
  • 1400–14998

Solved by topic

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

  • greedy58
  • math45
  • constructive algorithms35
  • implementation26
  • brute force24
  • dp20
  • binary search

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
2025-12-27 17:35Good Bye 2025718+122157
2025-11-23 12:35Codeforces Round 1066 (Div. 1 + Div. 2)296+832145
2025-10-06 16:35Educational Codeforces Round 183 (Rated for Div. 2)58+1312062
2025-04-19 16:35Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2)753+731931
2025-04-05 17:35Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2)
1600–1699
5
  • 1700–17997
  • 1800–18994
  • 1900–19993
  • 2000–20999
  • 2100–21992
  • 2200–22992
  • 2400–24992
  • 2500–25991
  • 2800–28991
  • 3000–30991
  • 18
  • data structures12
  • sortings12
  • strings11
  • number theory10
  • two pointers8
  • combinatorics7
  • divide and conquer6
  • interactive6
  • graphs6
  • bitmasks6
  • dfs and similar5
  • games5
  • trees3
  • dsu3
  • hashing3
  • ternary search2
  • string suffix structures2
  • matrices1
  • shortest paths1
  • geometry1
  • probabilities1
  • 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.

    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    LessMore (max 17/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 14/day in 2025)

    1720
    -20
    1858
    2025-03-29 16:35Codeforces Round 1014 (Div. 2)265+1111878
    2024-10-06 08:05Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)506+891767
    2024-08-10 16:35Codeforces Round 965 (Div. 2)4323-651678
    2024-06-09 17:35Codeforces Global Round 26848+1231743
    2024-05-17 16:35Codeforces Round 945 (Div. 2)2771-321620
    2024-04-30 17:05Codeforces Round 942 (Div. 2)1274+101652
    2024-04-13 16:35Codeforces Round 939 (Div. 2)1600+191642