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IT/알고리즘

11] Leetcode 1295. Find Numbers with Even Number of Digits

by 깻잎쌈 2020. 6. 24.
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숫자들 중에 짝수 자릿수인 숫자의 개수를 반환하는 문제.

 

Find Numbers with Even Number of Digits - LeetCode

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leetcode.com

고대로 해주면 된다.

class Solution {
public:
    int findNumbers(vector<int>& nums) {
        int ans = 0;
        int sth =0;
        for(int i = 0; i<nums.size(); i++){
            sth = 0;
            while(nums[i]){
                nums[i] /=10;
                sth++;
            }
            if(sth %2==0)
                ans++;
        }
        
        return ans;
    }
};

 

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