leetcode/algorithms/cpp/dota2Senate/dota2Senate.cpp at main · MichelleZ/leetcode · GitHub

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// Source: https://leetcode.com/problems/dota2-senate/
// Author: Miao Zhang
// Date:   2021-02-26

class Solution {
public:
    string predictPartyVictory(string senate) {
        int n = senate.size();
        queue<int> radiant, dire;
        for (int i = 0; i < n; i++) {
            if (senate[i] == 'R') {
                radiant.push(i);
            } else {
                dire.push(i);
            }
        }
        while (!radiant.empty() && !dire.empty()) {
            if (radiant.front() < dire.front()) {
                radiant.push(radiant.front() + n);
            } else {
                dire.push(dire.front() + n);
            }
            radiant.pop();
            dire.pop();
        }
        return !radiant.empty() ? "Radiant" : "Dire";
    }
};