Boris and His Amazing Haircut

1779D1700· expert2s256 MB⌨ stdin/stdout

#constructive algorithms #data structures #dp #dsu #greedy #sortings

Examples

Sample 1of 1

Input

7
3
3 3 3
2 1 2
2
1 2
6
3 4 4 6 3 4
3 1 2 3 2 3
3
3 2 3
10
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
10
1 2 3 4 5 6 7 8 9 10
3
1 1 1
1 1 2
12
4 2 4 3 1 5 6 3 5 6 2 1
13
7 9 4 5 3 3 3 6 8 10 3 2 5
5 3 1 5 3 2 2 5 8 5 1 1 5
8
1 5 3 5 4 2 3 1
13
7 9 4 5 3 3 3 6 8 10 3 2 5
5 3 1 5 3 2 2 5 8 5 1 1 5
7
1 5 3 4 2 3 1
3
19747843 2736467 938578397
2039844 2039844 2039844
1
2039844

Output

YES
NO
YES
NO
YES
NO
YES

1779D.cpp

loading editor…

Ln 11·137 BGNU C++20 (64)

loading graph engine…