NSTCrystal
Hi there, I'm NST Crystal
About Me
- Likes to experiment and build new things
- My website: nstcrystal.is-a.dev
- Email: nstcrystal@gmail.com
Practice
- Solved problems
- 24
- Full points only
- Rank by points
- #60
- Out of 16,466 members
- Points
- 7,849
- Weighted; see the Problems tab
Rated contests
- Contests taken part in
- 33
- Latest 19/10/2026
- Rating
- 1510
- Expert · 70% to Candidate Master
- Rank by rating
- #47
- Out of 149 rated members
- Lowest / highest rating
- 1268and1727
- Amateur / Candidate Master
Activity
487 submissions in the last 12 months
Few
Many
Five shades by the number of submissions of the day: 0 submissions; 1–8 submissions; 9–17 submissions; 18–26 submissions; 27–35 submissions.
- Days with submissions
- 38 days
- Busiest day
- 35 submissions, on 12/09/2026
- Busiest month
- 181 submissions, in 08/2026
| Month | Submissions | Days with submissions |
|---|---|---|
| Month 10/2025 | 0 | 0 |
| Month 11/2025 | 0 | 0 |
| Month 12/2025 | 0 | 0 |
| Month 01/2026 | 0 | 0 |
| Month 02/2026 | 0 | 0 |
| Month 03/2026 | 0 | 0 |
| Month 04/2026 | 0 | 0 |
| Month 05/2026 | 0 | 0 |
| Month 06/2026 | 0 | 0 |
| Month 07/2026 | 92 | 7 |
| Month 08/2026 | 181 | 14 |
| Month 09/2026 | 143 | 10 |
| Month 10/2026 | 71 | 7 |
Contests taken part in
33 rated contests, newest first
- OLP & ICPC Educational Contest 24 19/10/2026 · Rank 1 +89
- OLP & ICPC Educational Contest 23 17/10/2026 · Rank 1 +83
- OLP & ICPC Educational Contest 22 12/10/2026 · Rank 3 +34
- OLP & ICPC Educational Contest 21 10/10/2026 · Rank 4 −15
- OLP & ICPC Training Contest 42 07/10/2026 · Rank 3 +51
- OLP & ICPC Educational Contest 20 05/10/2026 · Rank 5 −68
- OLP & ICPC Training Contest 41 30/09/2026 · Rank 6 +19
- OLP & ICPC Educational Contest 19 28/09/2026 · Rank 5 −67
- OLP & ICPC Educational Contest 18 26/09/2026 · Rank 3 −22
- OLP & ICPC Training Contest 40 23/09/2026 · Rank 5 +13
- OLP & ICPC Educational Contest 17 21/09/2026 · Rank 3 +27
- OLP & ICPC Educational Contest 16 - Dynamic Programming 19/09/2026 · Rank 4 −24
- OLP & ICPC Educational Contest 15 - Dynamic Programming 14/09/2026 · Rank 5 −80
- OLP & ICPC Educational Contest 14 - Dynamic Programming 12/09/2026 · Rank 3 +5
- OLP & ICPC Training Contest 38 09/09/2026 · Rank 6 −8
- OLP & ICPC Educational Contest 13 - Dynamic Programming 07/09/2026 · Rank 3 +9
- OLP & ICPC Educational Contest 12 - Segment Tree 28/08/2026 · Rank 5 −85
- OLP & ICPC Training Contest 37 26/08/2026 · Rank 2 +42
- OLP & ICPC Educational Contest 11 - Segment Tree 24/08/2026 · Rank 2 +24
- OLP & ICPC Educational Contest 10 - Segment Tree 21/08/2026 · Rank 3 −28
- OLP & ICPC Training Contest 36 19/08/2026 · Rank 4 +50
- OLP & ICPC Educational Contest 09 - Segment Tree 17/08/2026 · Rank 4 −45
- OLP & ICPC Educational Contest 08 - Prefix Sum & Difference Array 14/08/2026 · Rank 3 +1
- OLP & ICPC Training Contest 35 12/08/2026 · Rank 5 −15
- OLP & ICPC Educational Contest 07 - Prefix Sum & Difference Array 10/08/2026 · Rank 4 −59
- OLP & ICPC Educational Contest 06 07/08/2026 · Rank 2 +49
- OLP & ICPC Training Contest 34 05/08/2026 · Rank 3 +91
- OLP & ICPC Educational Contest 05 - Recursion & Backtracking 03/08/2026 · Rank 4 −58
- OLP & ICPC Training Contest 33 29/07/2026 · Rank 5 +33
- OLP & ICPC Educational Contest 03 - Two Pointers 27/07/2026 · Rank 3 +20
- OLP & ICPC Educational Contest 02 - Binary Search 24/07/2026 · Rank 5 −283
- OLP & ICPC Educational Contest 01 - Binary Search 22/07/2026 · Rank 1 +380
- OLP & ICPC Training Contest 32 20/07/2026 · Rank 3 First time