ABC141A - Weather Prediction

問題：A - Weather Prediction

#include <algorithm>
#include <iostream>
#include <iterator>
#include <string>
#include <vector>
using namespace std;

#define ALL(c) (c).begin(), (c).end()

int main(void) {
    vector<string> weather = {"Sunny", "Cloudy", "Rainy"};
    string s;

    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> s;
    cout << weather[(distance(weather.begin(), find(ALL(weather), s)) + 1) % 3] << "\n";
    return 0;
}