题解 | #无缓存交换#
无缓存交换
https://www.nowcoder.com/practice/845ec89145b04b2b855d020d9c3ea2ef
import java.util.*;
public class Exchange {
public int[] exchangeAB(int[] AB) {
// write code here
int [] BA = new int[AB.length];
BA[0] = AB[1];
BA[1] = AB[0];
return BA;
}
}
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