gameWinner

#include <bits/stdc++.h>

using namespace std;

/*
 * Complete the 'gameWinner' function below.
 *
 * The function is expected to return a STRING.
 * The function accepts STRING colors as parameter.
 */

string gameWinner(string colors)
{
    int n = colors.size();

    int wendy = 0, bob = 0;

    for (int i = 1; i < n - 1; ++i)
    {
        // 如果字母被包圍的話
        if (colors[i - 1] == colors[i] && colors[i] == colors[i + 1])
        {
            // 如果字母是 w 的話，wendy 拿
            if (colors[i] == 'w')
            {
                ++wendy;
            }
            // 反之，bob 拿
            else
            {
                ++bob;
            }
        }
    }
    // 最後計算誰贏
    return (wendy > bob) ? "wendy" : "bob";
}

int main()
{
    ofstream fout(getenv("OUTPUT_PATH"));

    string colors;
    getline(cin, colors);

    string result = gameWinner(colors);

    fout << result << "\n";

    fout.close();

    return 0;
}

• T: $O()$
• S: $O()$