Submission #1535929

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Source Code Expand

#include "bits/stdc++.h"
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,x,n) for(int i=x;i<n;i++)
#define ALL(v) (v).begin(),(v).end()
#define MP(a,b) make_pair(a,b)
typedef long long LL;
typedef pair<int, int> PI;
typedef pair<LL, LL> PLL;
typedef vector<int> VI;
const LL MOD = 1000000007LL;
int main() {
	string S;
	cin >> S;
	int cnt = 0;
	rep(i, S.size()) {
		if (S[i] == 'p') cnt++;
	}
	cout << S.size() / 2 - cnt << endl;
}

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