Submission #1823884

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Source Code Expand

#include <iomanip>
#include <random>
#include <time.h>
#include <vector>
#include <math.h>
#include <algorithm>
#include <string>
#include <queue>
#include <functional>
#include <iostream>
#include <map>
using namespace std;
int main() {
	string s;
	cin >> s;
	long long int a, b, c;
	a = s.size();
	b = 1000, c = -1;
	for (int i = 0; i < a; i++) {
		if (s[i] == 'C') {
			b = i;
			break;
		}
	}
	for (int i = a - 1; i >= 0; i--) {
		if (s[i] == 'F') {
			c = i;
			break;
		}
	}
	if (b < c)cout << "YES" << endl;
	else cout << "NO" << endl;
	return 0;
}

Submission Info

Judge Result