| Problem ID | Title | Source/Category | AC | Submit | |
| 1404 Problem A | Space Traveling | 105 | 240 | ||
| 1405 Problem B | Balloon Circles | 93 | 352 | ||
| 1406 Problem C | Xor Tree | 4 | 300 | ||
| 1407 Problem D | Exam | 2 | |||
| 1408 Problem E | Stamp | 109 | 450 | ||
| 1409 Problem F | Morse Code | 97 | 202 | ||
| 1410 Problem G | TOEFL preparation | 52 | 100 | ||
| 1411 Problem H | K-communication | 5 | 232 | ||
| 1412 Problem I | Christmas tree | 61 | 362 | ||
| 1413 Problem J | Coin Collector | 12 | 115 |