744. Sum of first K even-length Palindrome numbers

class Solution { public: /** * @param k: Write your code here * @return: the sum of first k even-length palindrome numbers */ int sumKEven(int k) { // int res = 0; for(int i = 1; i <= k; i++){ int temp = i; int pali = i; while(temp > 0){ pali = pali*10 + temp%10; temp /= 10; } res += pali; } return res; } };

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