OI-codes/LibreOJ/2360/data/classroom2.in

2 0 20 32
7 11
5 17
0.066 0.825
9 13 29
1 2 54
7 6 70
3 10 34
8 7 26
1 3 63
8 17 89
6 9 27
2 3 89
8 14 53
1 4 99
6 11 42
16 1 50
5 16 19
7 3 23
11 8 13
15 19 82
15 20 18
4 6 83
14 17 91
2 15 22
4 12 11
12 6 8
13 19 78
17 2 71
13 15 5
7 8 67
1 7 7
14 18 26
20 20 90
3 5 28
8 5 98