cf/mirror

1D Eraser

CF
1873D800· newbie1s256 MB⌨ stdin/stdout
#greedy#implementation#two pointers

Examples

Sample 1of 1multi-test • hover to link
Input
8
6 3
WBWWWB
7 3
WWBWBWW
5 4
BWBWB
5 5
BBBBB
8 2
BWBWBBBB
10 2
WBBWBBWBBW
4 1
BBBB
3 2
WWW
Output
2
1
2
1
4
3
4
0
1873D.cpp
loading editor…
Ln 11·137 BGNU C++20 (64)