| Giver | Post | Date |
| Aniket03 | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 22-Nov-2023 |
| Neenu2395 | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 13-Nov-2023 |
| stefanobrunelli | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 02-Sep-2023 |
| ishant5243 | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 21-Apr-2021 |
| hqa5pu | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 27-Dec-2020 |
| Raf43 | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 23-Dec-2020 |
| Draky | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 06-Dec-2020 |
| MaxiLi | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 29-Nov-2020 |
| boechen06 | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 10-Feb-2020 |
| trung1610 | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 10-Sep-2019 |
| jfarvin | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 22-Jul-2019 |
| kaushikindya | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 24-Jun-2019 |
| IIMC | Count number of ways to arrange 4 people A, B, C, D in a row so that C | 04-Jun-2019 |
