Leet Code Daily 2024-07-24 - Sort the Jumbled Numbers

class Solution {
public:
    vector<int> sortJumbled(vector<int>& mapping, vector<int>& nums) {
        auto mapped_val = [&](int x) {
            int ret = 0;
            for (const auto& c : to_string(x)) {
                ret = 10 * ret + mapping[c - '0'];
            }
            return ret;
        };
        sort(nums.begin(), nums.end(),
             [&](int& x, int& y) { return mapped_val(x) < mapped_val(y); });
        return nums;
    }
};