Submission #1494953

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Source Code Expand

#include <iostream>
#include <string>

using namespace std;

#define rep(i,n) repi(i,0,n)
#define repi(i,a,b) for(int i=(int)(a);i<(int)(b);++i)
#define pb push_back

// #define int long long

int main(){
    string s;
    bool flag=false;
    bool ans=false;
    cin>>s;

    for(int i=0;i<s.size();i++){
        if(s[i]=='C')flag=true;
        if(flag&&s[i]=='F')ans=true;
    }

    if(ans){
        cout<<"Yes"<<endl;
    }else{
        cout<<"No"<<endl;
    }
}

Submission Info

Judge Result