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LUlululu1616

Open on Codeforces · Unique solved

Rating2242· 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
50
Unique solved
850
Submissions (all)
2,382
Years with activity
2022–2026

Solved by problem rating

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

  • Unrated34
  • 800–89969
  • 900–99918
  • 1000–109920
  • 1100–119922
  • 1200–129927
  • 1300–139918

Solved by topic

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

  • greedy286
  • math266
  • dp265
  • data structures241
  • constructive algorithms160
  • trees149
  • brute force

Rating changes

2022

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

Jan
Feb
Mar
Apr
May

Submission volume

Download all years PNG

2022

Download PNG

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

Jan
Feb
Mar
Apr

Recent rated rounds

When (UTC)ContestRankΔNew
2026-01-07 17:35Hello 2026189+1172242
2025-12-19 17:05Codeforces Global Round 31 (Div. 1 + Div. 2)2213-1292125
2025-05-31 16:35Codeforces Round 1028 (Div. 1)490-372254
2025-01-26 17:05Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2)361+502291
2025-01-04 17:05Hello 2025498
1400–1499
29
  • 1500–159915
  • 1600–169924
  • 1700–179927
  • 1800–189932
  • 1900–199929
  • 2000–209940
  • 2100–219940
  • 2200–229939
  • 2300–239944
  • 2400–249942
  • 2500–259944
  • 2600–269929
  • 2700–279924
  • 2800–289933
  • 2900–299929
  • 3000–309928
  • 3100–319918
  • 3200–329921
  • 3300–339923
  • 3400–349912
  • 3500–359920
  • 147
  • graphs132
  • implementation128
  • dfs and similar119
  • binary search113
  • sortings89
  • combinatorics80
  • strings78
  • bitmasks77
  • number theory67
  • divide and conquer59
  • dsu57
  • two pointers46
  • flows35
  • hashing30
  • shortest paths29
  • probabilities28
  • string suffix structures26
  • interactive21
  • games20
  • matrices16
  • fft13
  • Other (8 tags)51
  • 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
    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 12/day in 2022)

    2023

    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 29/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 26/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 31/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 32/day in 2026)

    +30
    2241
    2024-12-28 17:35Good Bye 2024: 2025 is NEAR1312-712211
    2024-10-27 17:35Codeforces Global Round 27113+1582282
    2024-10-20 11:05Codeforces Round 980 (Div. 1)680-452124
    2024-09-27 16:05Codeforces Round 975 (Div. 1)584-202169
    2024-08-30 17:05Codeforces Round 969 (Div. 1)505-152189
    2024-08-11 17:35EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2)631+42204
    2024-07-18 16:35Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)477+222200