Solution.cpp

class TopVotedCandidate {
public:
    TopVotedCandidate(vector<int>& persons, vector<int>& times) {
        int n = persons.size();
        this->times = times;
        wins.resize(n);
        vector<int> cnt(n);
        int cur = 0;
        for (int i = 0; i < n; ++i) {
            int p = persons[i];
            ++cnt[p];
            if (cnt[cur] <= cnt[p]) {
                cur = p;
            }
            wins[i] = cur;
        }
    }

    int q(int t) {
        int i = upper_bound(times.begin(), times.end(), t) - times.begin() - 1;
        return wins[i];
    }

private:
    vector<int> times;
    vector<int> wins;
};

/**
 * Your TopVotedCandidate object will be instantiated and called as such:
 * TopVotedCandidate* obj = new TopVotedCandidate(persons, times);
 * int param_1 = obj->q(t);
 */