1 11352G Special Permutation
2 1353D Constructing the Array
3 1358C Celex Update
4 1363C Game On Leaves
5 1305C Kuroni and Impossible Calculation
6 1321C Remove Adjacent
7 1327C Game with Chips
8 1334C - Circle of Monsters
9 1336A - Linova and Kingdom
10 1342C Yet Another Counting Problem
11 1344A Hilbert‘s Hotel
12 1348C Phoenix and Distribution
13 1349A Orac and LCM
14 1469B Red and Blue
15 1469C Building a Fence
16 1468K The Robot
17 1461D Divide and Summarize
18 1458A Row GCD
19 1455D Sequence and Swaps
20 1437D Minimal Height Tree
21 1431C Black Friday
22 1398C Good Subarrays
23 1396A Multiples of Length
24 1472D Even-Odd Game
25 1395C Boboniu and Bit Operations
26 1389B Array Walk
27 1374E1 Reading Books
28 1373D Maximum Sum on Even Positions
29 1364C Ehab and Prefix MEXs
30 1371D Grid-00100
31 1303C