#4129. C++-异或和（xor）
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ID: 4129
Type: Default
1000ms
256MiB
Tried: 1
Accepted: 0
Difficulty: 10
Uploaded By:
编创小匠 (paifuture)
C++-异或和（xor）
No testdata at current.
Background
Description
Format
Input
Output
Samples
4 2
2 1 0 3
2
4 3
2 1 0 3
2
4 0
2 1 0 3
1
Limitation
1s, 1024KiB for each test case.