提出 #942982

---

ソースコード 拡げる

#include <algorithm>
#include <climits>
#include <cmath>
#include <cstring>
#include <ctime>
#include <iostream>
#include <map>
#include <numeric>
#include <vector>

#define ALL(v) (v).begin(),(v).end()
#define dump(a) (cerr << #a << "=" << (a) << endl)
#define DUMP(list) cout << "{␣"; for(auto nth : list){ cout << nth << "␣"; } cout << "}" << endl;

using namespace std;

int main() {
    string S;
    cin >> S;
    vector<int> pos = {-1, -1};

    for (int i = 0; i < S.size(); ++i) {
        if (pos[0] == -1 && S[i] == 'C') pos[0] = i;
        if (S[i] == 'F') pos[1] = i;
    }

    cout << ((pos[0] != -1 && pos[1] != -1 && (pos[0] < pos[1])) ? "Yes" : "No") << endl;
    return 0;
}

提出情報

ジャッジ結果