标签:端点 img code sum wing pre com png win
Input is given from Standard Input in the following format:
N
A1 A2 … An
Print the number of the pairs of integers l and r(1 <= l <= r <= N)that satisfy the condition.
4
2 5 4 6
5
9
0 0 0 0 0 0 0 0 0
45
19
885 8 1 128 83 32 256 206 639 16 4 128 689 32 8 64 885 969 1
37
n个数,有多少个区间的XOR等于区间的和
枚举左端点,滑动右端点(双指针),找答案
标签:端点 img code sum wing pre com png win
原文地址:https://www.cnblogs.com/Little-Turtle--QJY/p/12384557.html