摘要: CF1288 Educational Codeforces Round 80 (Rated for Div. 2) A略 CF1288B link CF1288B题意 给定 \(A,B\),问有多少个二元组 \((a,b)\) 满足 \(1\le a \le A,1\le b\le B\) 且 \( 阅读全文
posted @ 2023-12-03 08:25 Call_me_Eric 阅读(44) 评论(0) 推荐(0)
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