黑暗爆炸OJ

DARKBZOJ

#3956. Count

Statistics 下载数据

Description

Input

Output

Sample Input

3 2 0
2 1 2
1 1
1 3

Sample Output

0
3

Hint

M,N<=3*10^5,Ai<=10^9

Source

CH Round#64 MFOI杯水题欢乐赛day1 By Gromah