不会的看我！！！

#include<bits/stdc++.h>
using namespace std;
int n,a[10001],minn=10001;
string s;
int cnt_c,cnt_p,cnt_d;
int main()
{
	cin>>s;
	int len = s.size();
	
	for(auto i:s)
	{
		if(i=='c') cnt_c++;
		else if(i=='p') cnt_p++;
		else if(i=='d') cnt_d++;
	}
	if(cnt_c<minn) minn = cnt_c;
	if(cnt_p<minn) minn = cnt_p;
	if(cnt_d/2<minn) minn = cnt_d/2;
	cout<<minn;
	return 0;
}