Topic 8: Graphs 1: Review, DFS/BFS, CC/SCC
Problem A
Balls and Needles — Problem Statistics
Back to problem description| Submissions | 609 |
| Accepted submissions | 142 |
| Submission ratio | 23.32% |
| Authors | 111 |
| Accepted authors | 95 |
| Author ratio | 85.59% |
The 10 fastest solutions (all languages)
| # | User | Runtime | Language | Date | |
|---|---|---|---|---|---|
| 1 | Hamilton Wang | 0.06 s | C++ | 2022-10-28 02:16:33 | |
| 2 | Eric Park | 0.06 s | Rust | 2025-03-20 23:18:37 | |
| 3 | Leo Lee | 0.09 s | C++ | 2024-03-12 05:18:47 | |
| 4 | Hidden user | 0.10 s | C++ | 2024-03-29 14:25:20 | |
| 5 | Milosz Fecko | 0.13 s | C++ | 2025-03-19 01:29:00 | |
| 6 | Kush Nayak | 0.16 s | C++ | 2024-03-20 17:44:41 | |
| 7 | Yu-Chen Chan | 0.17 s | C++ | 2024-03-12 20:16:01 | |
| 8 | Nikita Gorshkov | 0.17 s | C++ | 2025-03-28 02:09:44 | |
| 9 | Mithra Kancheti | 0.19 s | C++ | 2024-03-12 07:59:31 | |
| 10 | Kaan Savasoglu | 0.19 s | C++ | 2025-03-28 03:14:49 |
The 10 shortest solutions (all languages)
| # | User | Length | Language | Date | |
|---|---|---|---|---|---|
| 1 | Peter Jin | 499 | Python 3 | 2024-03-19 20:09:50 | |
| 2 | Kush Nayak | 1106 | C++ | 2024-03-20 17:44:41 | |
| 3 | Saket Iyengar | 1114 | Python 3 | 2025-03-27 21:53:30 | |
| 4 | William Kettleborough | 1127 | Python 3 | 2024-03-22 07:11:40 | |
| 5 | Alex Liu | 1158 | Python 3 | 2024-03-19 22:24:23 | |
| 6 | James Tan | 1196 | C++ | 2024-03-09 15:45:59 | |
| 7 | Aaruni Gupta | 1269 | Python 3 | 2025-03-27 22:41:20 | |
| 8 | Daniel Tian | 1276 | Python 3 | 2024-03-22 04:17:38 | |
| 9 | Alex Tu | 1284 | Python 3 | 2024-03-22 02:55:29 | |
| 10 | Pranav Perumal | 1329 | Python 3 | 2025-03-28 01:57:34 |