#4129. C++-异或和(xor)
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.
No testdata at current.

4 2
2 1 0 3
2
4 3
2 1 0 3
2
4 0
2 1 0 3
1
1s, 1024KiB for each test case.
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