Submission #941962

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define debug(x) cout << #x << " = " << x << endl

const int INF = 1<<29;
typedef long long ll;
typedef pair<int,int> P;


int main(){
   string s;
   cin >> s;
   bool ok1 = false, ok2 = false;
   for(int i=0; i<s.size(); i++){
	  if(s[i] == 'C') ok1 = true;
	  if(ok1 == true && s[i] == 'F') ok2 = true;
   }

   if(ok1 && ok2) cout << "Yes" << endl;
   else cout << "No" << endl;
   return 0;
}

Submission Info

Judge Result