1200: 黄金矿工
Time Limit: 1 Sec Memory Limit: 128 MBSubmit: 3 Solved: 3
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Description
Input
3 10
1 1 1 1
2 2 2 2
1 3 15 9
Output
3
HINT
-----sample2------
1 1 13 1
2 2 2 2
1 3 4 7
-----sample2-----
7
-----------
30%的数据，0 < T ≤ 4000
100%的数据，N ≤ 200, 0 < T ≤ 40000