2022/01/10
UVA1213 不同素数之和 Sum of Different Primes
P4279 [SHOI2008]小约翰的游戏

P1463 [POI2001][HAOI2007]反素数

 

2022/01/05

CF1621A Stable Arrangement of Rooks
CF1621B Integers Shop
CF1621C Hidden Permutations
CF1621D The Winter Hike
P7987 [USACO21DEC] Paired Up G
CF1607F Robot on the Board 2
CF7D Palindrome Degree
P2619 [国家集训队]Tree I
P4042 [AHOI2014/JSOI2014]骑士游戏

P5404 [CTS2019]重复
P2045 方格取数加强版

CF1198D Rectangle Painting 1