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###### tags: `Leetcode`

# 2535. Difference Between Element Sum and Digit Sum of an Array

###### Link : https://leetcode.com/contest/weekly-contest-328/problems/difference-between-element-sum-and-digit-sum-of-an-array/

## 題目
所有數字加總扣掉每位數字加總
## 程式碼

class Solution {
public:
    int differenceOfSum(vector<int>& nums) {
        int ans=0;
        for(int i=0; i < nums.size();i++)
            if(nums[i] > 9)
                ans += nums[i] - count(nums[i]);
        return ans;
    }
    int count(int num){
        int ret=0;
        while(num>0){
            ret += num%10;
            num /= 10;
        }
        return ret;
    }
};