// // Created by 李洋 on 2023/10/12. // #ifndef LEECODE_C_Q2526_H #define LEECODE_C_Q2526_H #include using namespace std; class Q2526 { public: long long findTheArrayConcVal(vector &nums) { long long ans = 0; for (int i = 0, j = nums.size() - 1; i <= j; i++, j--) { if (i != j) { int temp = nums[j]; int digit = 0; while (temp != 0) { digit++; temp /= 10; } ans += nums[j] + (long long) nums[i] * pow(10, digit); } else { ans += nums[i]; } } return ans; } }; #endif //LEECODE_C_Q2526_H