Educational Codeforces Round 143 (Rated for Div. 2)（A~D）
A. Two Towers给出两个序列，有R有B，每次操作可以将一个序列后面的自负拿出来放到另一个序列的后面。是否能通过若干次操作&...
Codeforces Round 855 (Div. 3) F. Dasha and Nightmares(题解 + 详细思考过程讲解)
F. Dasha and Nightmares(二进制) 链接：F. Dasha and Nightmares 题目最重要的破题点思路 即第4点 ...
codeforces 1770B. Koxia and Permutation
B. Koxia and Permutation Reve has two integers n and k. Let p be a permutation† ...
CodeForces484A——Bits(贪心算法)
Let's denote as the number of bits set ('1' bits) in the binary representation o...
C. Zero-Sum Prefixes Codeforces Round #833 (Div. 2)（前缀和+贪心）
传送门 题意： 给你一个长度为n的数组，里面包含a1,a2,a3...an n个元素， 当的时候，你可...
2024-03-03 17:36:05
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Chinese FM spokesperson briefs on China-U.S. engagement
Chinese FM spokesperson briefs on China-U.S. engagement
force
violation
2023-02-20 13:22:17
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