Submission #1500535

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Source Code Expand

# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
constexpr int MOD = 1000000000 + 7;
constexpr int INF = 2000000000;
using namespace std;

int main() {
	string s;
	bool c = false, f = false;
	cin >> s;
	for (int i = 0; i < s.size(); i++) {
		if (s[i] == 'C')c = true;
		if (c&&s[i] == 'F')f = true;
	}
	cout << (f ? "Yes" : "No") << endl;
}

Submission Info

Judge Result