1714: 树状数组

Memory Limit：512 MB Time Limit：4.000 S
Judge Style：Text Compare Creator：
Submit：1 Solved：1

Description

Sample Input Copy 

5 5
1 3 3
2 3 5
2 4 5
1 1 3
2 2 5

Sample Output Copy 

1
0
665496236

HINT

Source/Category

SubmitSubmit RecordStatisticsShowOff!