原创 C. Linova and Kingdom
鏈接：https://codeforces.ml/contest/1337/problem/C Writing light novels is the most important thing in Linova's life. Last
2020-06-21 00:01:28
原创 B. Dreamoon Likes Permutations
鏈接:https://codeforces.ml/contest/1330/problem/B The sequence of mm integers is called the permutation if it contains al
2020-06-21 00:01:28
2
原创 E2. Three Blocks Palindrome (hard version)
鏈接：https://codeforces.ml/contest/1335/problem/E2 The only difference between easy and hard versions is constraints. You
2020-06-20 22:59:36
原创 D. Carousel
鏈接：https://codeforces.ml/contest/1328/problem/D The round carousel consists of nn figures of animals. Figures are numbe
2020-06-20 22:59:25
原创 F. Kate and imperfection
鏈接：https://codeforc.es/contest/1333/problem/F Kate has a set SS of nn integers {1,…,n}{1,…,n}. She thinks that imperfec
2020-06-20 22:59:25
原创 C. Ehab and Path-etic MEXs
鏈接：https://codeforces.ml/contest/1325/problem/C You are given a tree consisting of nn nodes. You want to write some lab
2020-06-20 22:59:25
原创 C. Dreamoon Likes Coloring
鏈接：https://codeforces.ml/contest/1330/problem/C Dreamoon likes coloring cells very much. There is a row of nn cells. In
2020-06-20 22:59:25
原创 H 奇怪的揹包問題增加了
鏈接：https://ac.nowcoder.com/acm/contest/4784/H 有一個容量爲2^{30}230的揹包，和m件物品，第i件物品的體積爲c_ici，你需要從中選出若干件，使得選出的物品的體積恰好等於揹包容量。這些
2020-06-20 22:59:25
原创 E1. Three Blocks Palindrome (easy version)
鏈接：https://codeforces.ml/contest/1335/problem/D The only difference between easy and hard versions is constraints. You
2020-06-20 22:59:25
原创 D. Ehab the Xorcist
鏈接：https://codeforces.ml/contest/1325/problem/D Given 2 integers uu and vv, find the shortest array such that bitwise-x
2020-06-20 22:59:25
原创 E. Modular Stability
鏈接：https://codeforces.ml/contest/1359/problem/E We define xmodyxmody as the remainder of division of xx by yy (%% opera
2020-06-09 09:17:50
原创 G. A/B Matrix
鏈接：https://codeforces.ml/contest/1360/problem/G You are given four positive integers nn, mm, aa, bb (1≤b≤n≤501≤b≤n≤50;
2020-06-09 09:17:50
原创 C. Mixing Water
鏈接：https://codeforces.ml/contest/1359/problem/C There are two infinite sources of water: hot water of temperature hh; c
2020-06-09 09:17:50
原创 E. Tree Shuffling
鏈接：https://codeforces.ml/contest/1363/problem/E Ashish has a tree consisting of nn nodes numbered 11 to nn rooted at no
2020-06-09 09:17:50
原创 C. Game On Leaves
鏈接https://codeforces.ml/contest/1363/problem/C Ayush and Ashish play a game on an unrooted tree consisting of nn nodes
2020-06-09 09:17:50