Submission #928740

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Source Code Expand

#include <bits/stdc++.h>
#define FOR(i,a,b) for(ut i=(a);i<(ut)(b);i++)
#define REP(i,b) FOR(i,0,b)
#define ALL(c) c.begin(),c.end()
#define PB push_back
#define cat cout << __LINE__ << endl;
using namespace std;
typedef long long LL;
typedef double ld;
typedef int ut;
typedef complex<int> cli;
typedef vector<ut> VI;
typedef pair<ut,ut> pr;
typedef pair<ut,pr> ppr;
typedef vector<pr> Vpr;
typedef vector<ppr> Vppr;
typedef priority_queue<pr,Vpr> PQ;
const int INF=1<<30;

int main(){
	string s;
	cin >> s;
	int n=0;
	REP(i,s.size()){
		if(s[i]=='p') n++;
	}
	cout << s.size()/2-n << endl;
	return 0;
}

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