花費 13 ms
CF 1622C - Set or Decrease

題目鏈接: https://codeforces.com/problemset/problem/1622/C 題目大意: 給定一個序列 \(a_1\),\(a_2\),\(a_3\) ... \ ...

Mon Jan 03 18:26:00 CST 2022 0 1669

 
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