Submission #1706749

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Source Code Expand

#include <cstdio>
#include <algorithm>
#include <iostream>
#include <vector>
#include <cmath>
#include <string>
#define pb push_back
#define mod 1000000007
using namespace std;
typedef long long int ll;

int main(void){
  string s;
  cin>>s;

  bool f1,f2;
  f1=f2=false;
  for(int i=0;i<s.size();i++){
    if(s[i]=='C') f1=true;
    if(f1&&s[i]=='F') f2=true;
  }
  cout<<(f2?"Yes":"No")<<endl;
  return 0;
}

Submission Info

Judge Result