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Dual (Hard Version)

CF
1854A21900· candidate master1s256 MB⌨ stdin/stdout
#constructive algorithms#math

Examples

Sample 1of 1
Input
10
2
2 1
4
1 2 -10 3
5
2 1 1 1 1
8
0 0 0 0 0 0 0 0
5
1 2 -4 3 -10
10
11 12 13 14 15 -15 -16 -17 -18 -19
7
1 9 3 -4 -3 -2 -1
3
10 9 8
20
1 -14 2 -10 6 -5 10 -13 10 7 -14 19 -5 19 1 18 -16 -7 12 8
20
-15 -17 -13 8 14 -13 10 -4 11 -4 -16 -6 15 -4 -2 7 -9 5 -5 17
Output
1
2 1
3
4 4
4 4
3 4
4
2 1
3 1
4 1
5 1
0
7
3 4
3 4
5 4
5 4
5 4
5 4
5 4
15
6 1
6 1
6 1
7 2
7 2
7 2
8 3
8 3
8 3
9 4
9 4
9 4
10 5
10 5
10 5
8
3 4
3 4
2 4
2 4
2 4
2 4
1 4
1 4
3
2 1
3 1
3 1
31
14 1
18 7
13 11
15 11
6 4
5 17
19 6
19 12
10 5
11 12
1 17
15 19
16 10
14 2
16 11
20 7
7 6
9 5
3 6
6 14
17 18
18 14
12 3
17 16
8 18
13 16
9 8
14 8
16 2
11 8
12 7
31
5 12
19 13
9 1
5 17
18 19
6 16
15 8
6 9
15 14
7 10
19 7
17 20
14 4
15 20
4 3
1 8
16 12
16 15
5 6
12 10
11 15
20 3
20 19
13 14
11 14
18 10
7 3
12 17
4 7
13 2
11 13
1854A2.cpp
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Ln 11·137 BGNU C++20 (64)