cf/mirror

Hard Cut

CF
1684H3400· legendary gm2s256 MB⌨ stdin/stdout
#constructive algorithms#dfs and similar#divide and conquer#math

Examples

Sample 1of 1
Input
4
00000
01101
0111011001011
000111100111110
Output
-1
 
3
1 3
4 4
5 5
 
8
1 2
3 3
4 4
5 6
7 7
8 10
11 12
13 13
 
5
1 5
6 7
8 11
12 14
15 15
1684H.cpp
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Ln 11·137 BGNU C++20 (64)
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