题解 | #缺失数字#
缺失数字
http://www.nowcoder.com/practice/9ce534c8132b4e189fd3130519420cde
public class Solution {
public int solve (int[] a) {
// write code here
int count=0;
for(int i=0;i<a.length;i++){
if(a[i]!=i)
return i;
}
return a.length;
}}
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