BZOJ 2225: [Spoj 2371]Another Longest Increasing CDQ
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2225: [Spoj 2371]Another Longest Increasing
Time Limit: 20 Sec Memory Limit: 259 MBSubmit: 362 Solved: 163
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Description
给定N个数对(xi, yi)，求最长上升子序列的长度。上升序列定义为{(xi, yi)}满足对i<j有xi<xj且yi<yj。
Input
Output
Sample Input
8
1 3
3 2
1 1
4 5
6 3
9 9
8 7
7 6
1 3
3 2
1 1
4 5
6 3
9 9
8 7
7 6
Sample Output
3
HINT
数据范围100000
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