Submission #943741

---

Source Code Expand

#include <iostream>
#include <cmath>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <algorithm>
#include <string>
#include <sstream>
#include <iomanip>
#include <functional>

using namespace std;

int main() {

    string s;
    std::cin >> s;
    int c=(int)s.find("C");
    int f=(int)s.find("F",c);
    if ((c!=-1 && f!=-1) && c<f) {
      std::cout << "Yes" << std::endl;
    }else{
      std::cout << "No" << std::endl;
    }

    return 0;
}

Submission Info

Judge Result