PermutationForces II

1698E2300· international master1s256 MB⌨ stdin/stdout

#brute force #combinatorics #greedy #sortings #trees #two pointers

Examples

Sample 1of 1multi-test • hover to link

Input

6
3 1
2 1 3
3 -1 -1
3 2
2 1 3
3 -1 -1
4 1
1 4 3 2
4 3 1 2
6 4
4 2 6 3 1 5
6 1 5 -1 3 -1
7 4
1 3 6 2 7 4 5
2 5 -1 -1 -1 4 -1
14 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

Output

1698E.cpp

loading editor…

Ln 11·137 BGNU C++20 (64)

loading graph engine…