Submission #941969

---

Source Code Expand

#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include <string.h>
#include <string>
#include <queue>
#include <stack>
using namespace std;
typedef long long int ll;

int n;
int firstc, lastf;
string s;
int main(void)
{
	firstc=1111111;
	lastf=0;
	cin>>s;
	for(int i=0 ; i<s.size() ; i++)
	{
		if(s[i]=='C' && firstc>i)
		{
			firstc=i;
		}
		if(s[i]=='F' && lastf<i)
		{
			lastf=i;
		}
	}
	if(firstc<lastf)
	{
		printf("Yes");
	}
	else
	{
		printf("No");
	}
	return 0;
}

Submission Info

Judge Result