2020 NA Regionals Practice Contest 16
        
                            
    
                    
     
    
    
    
                
        
            
                
                                        
                        
                            | Submissions | 1537 | 
                        
                            | Accepted submissions | 252 | 
                        
                            | Submission ratio | 16.40% | 
                        
                            | Authors | 320 | 
                        
                            | Full solves [?] | 137 | 
                        
                            | Full solve Ratio | 42.81% | 
                    
                                     
                                
                                        
                    
                    
                
             
        
                    
                            
                
        
        
    
    
                                     | # | User | Runtime | Language | Date |  | 
|---|
| 1 | Vanisher | 0.04 s | C++ | 2018-03-23 04:07:02 |  | 
| 2 | 徐达烽 | 0.05 s | C++ | 2018-01-23 03:21:43 |  | 
| 3 | Lingyu Song | 0.05 s | C++ | 2018-09-13 17:10:54 |  | 
| 4 | SpaceLazer | 0.05 s | C++ | 2019-05-22 04:37:00 |  | 
| 5 | Hidden user | 0.05 s | C++ | 2019-05-22 05:11:55 |  | 
| 6 | Derek Ren | 0.05 s | C++ | 2019-05-22 07:28:24 |  | 
| 7 | Bob Jones | 0.05 s | C++ | 2019-05-24 01:57:05 |  | 
| 8 | Hidden user | 0.05 s | C++ | 2019-05-24 07:35:57 |  | 
| 9 | 鄭博文 | 0.06 s | C++ | 2023-05-08 15:41:43 |  | 
| 10 | 蔡東霖 | 0.06 s | C++ | 2025-05-16 10:50:55 |  | 
  
                                                                                                                        
                                             | # | User | Runtime | Language | Date |  | 
|---|
| 1 | Ivan Petrov | 0.11 s | C | 2019-08-27 16:17:07 |  | 
          | # | User | Runtime | Language | Date |  | 
|---|
| 1 | Vanisher | 0.04 s | C++ | 2018-03-23 04:07:02 |  | 
| 2 | 徐达烽 | 0.05 s | C++ | 2018-01-23 03:21:43 |  | 
| 3 | Lingyu Song | 0.05 s | C++ | 2018-09-13 17:10:54 |  | 
| 4 | SpaceLazer | 0.05 s | C++ | 2019-05-22 04:37:00 |  | 
| 5 | Hidden user | 0.05 s | C++ | 2019-05-22 05:11:55 |  | 
| 6 | Derek Ren | 0.05 s | C++ | 2019-05-22 07:28:24 |  | 
| 7 | Bob Jones | 0.05 s | C++ | 2019-05-24 01:57:05 |  | 
| 8 | Hidden user | 0.05 s | C++ | 2019-05-24 07:35:57 |  | 
| 9 | 鄭博文 | 0.06 s | C++ | 2023-05-08 15:41:43 |  | 
| 10 | 蔡東霖 | 0.06 s | C++ | 2025-05-16 10:50:55 |  | 
          | # | User | Runtime | Language | Date |  | 
|---|
| 1 | Hidden user | 0.19 s | Python 2 | 2017-12-01 00:25:40 |  | 
| 2 | Lingyu Song | 0.20 s | Python 2 | 2018-09-13 18:06:35 |  | 
| 3 | Lam Gia Thuan | 0.20 s | Python 2 | 2018-12-04 22:43:02 |  | 
| 4 | Andreas Björklund | 1.30 s | Python 2 | 2019-11-22 07:43:44 |  | 
 
        
        
    
    
                                                                                                                        
                                             | # | User | Length | Language | Date |  | 
|---|
| 1 | Ivan Petrov | 2776 | C | 2019-08-27 16:17:07 |  | 
 Solution running time distribution