cf/mirror

Range Deleting

CF
1167E2100· master2s256 MB⌨ stdin/stdout
#binary search#combinatorics#data structures#two pointers

Examples

Sample 1of 2
Input
3 3
2 3 1
Output
4
Sample 2of 2
Input
7 4
1 3 1 2 2 4 3
Output
6
1167E.cpp
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Ln 11·137 BGNU C++20 (64)