super-pow

// https://discuss.leetcode.com/topic/50489/c-clean-and-short-solution
 
class Solution {
    int base = ;
    int powMod(int a, int b) {
        a %= base;
        int result = ;
        for (int i=; i<b; i++) {
            result *= a;
            result %= base;
        }
        return result;
    }
 
public:
    int superPow(int a, vector<int>& b) {
        if (b.empty()) {
            return ;
        }
        int t = b.back();
        b.pop_back();
 
        return (powMod(superPow(a, b), ) * powMod(a, t)) % base;
 
    }
};