Submission #6002007

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Source Code Expand

#include <bits/stdc++.h>

#define REP(i, n) for(ll i = 0; i < n; i++)
#define ALL(x) (x).begin(),(x).end()
#define MSG(x) cout << x << endl;
#define YN(x) x ? cout << "YES" << endl : cout << "NO" << endl;
#define Yn(x) x ? cout << "Yes" << endl : cout << "No" << endl;
#define yn(x) x ? cout << "yes" << endl : cout << "no" << endl;

using namespace std;
using ll = long long;
const static ll MOD = 1e9 + 7;

int main(int argc, char *argv[]) {
    string s;
    cin >> s;

    bool ok = false;
    REP(i, s.size()) {
        if (s.at(i) == 'C') ok = true;
        if (s.at(i) == 'F' && ok) {
            MSG("Yes")
            exit(EXIT_SUCCESS);
        }
    }

    MSG("No")
}

Submission Info

Judge Result