| Problem ID | Title | Source/Category | AC | Submit | |
| 1218 Problem A | Interesting number | 34 | 74 | ||
| 1256 Problem B | Lucky number | 30 | 99 | ||
| 1258 Problem C | Only 3-sum | 26 | 284 | ||
| 1257 Problem D | Vinceblack's store | 20 | 122 | ||
| 1221 Problem E | Excellent power | 11 | 283 | ||
| 1259 Problem F | YYJ's magic beads | 2 | 29 |