Problem B: 黄金矿工
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:2
Solved:2
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