5 problems
| Problem ID | Title | Link | Rating | Judge State | Source |
|---|---|---|---|---|---|
| A | Communism | View | 800 | yes | IanOJ Contest #3 (Div. 2) > Problem A |
| B | Guessing | View | 900 | yes | IanOJ Contest #3 (Div. 2) > Problem B |
| C | Matrix Game | View | 1600 | yes | IanOJ Contest #3 (Div. 2) > Problem C |
| D | Sequence | View | 1800 | yes | IanOJ Contest #3 (Div. 2) > Problem D |
| E | K-Sufficient Numbers | View | 1900 | yes | IanOJ Contest #3 (Div. 2) > Problem E |