Find Numbers with Even Number of Digits
给一个数组, 找到里面位数为偶数的数字的个数.
class Solution {
public int findNumbers(int[] nums) {
int count = 0;
for(int n : nums) {
if(check(n)) {
count++;
}
}
return count;
}
private boolean check(int n) {
int count = 0;
while(n != 0) {
count++;
n /= 10;
}
return count % 2 == 0;
}
}