D. Friends and Subsequences Codeforces Round #361 (Div. 2)RMQ+二分 && 单调队列
D. Friends and Subsequences Codeforces Round #361 (Div. 2) RMQ+二分,单调队列
Codeforces · RMQ · 二分2 分钟阅读
THE NOTEBOOK / ARCHIVE
D. Friends and Subsequences Codeforces Round #361 (Div. 2) RMQ+二分,单调队列
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