re-PE opt-in for non-zeroes (only top 8 taken)
Problem A
Kanna's Friendship — Problem Statistics
Back to problem description| Submissions | 2703 |
| Accepted submissions | 2549 |
| Submission ratio | 94.30% |
| Authors | 332 |
| Full solves [?] | 130 |
| Full solve Ratio | 39.16% |