Submission #35311

#	Time	Username	Problem	Language	Result	Execution time	Memory
35311		polingy	Vim (BOI13_vim)	C++14	0 / 100	3 ms	2464 KiB

vim

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <cmath>
#include <climits>

#include <sstream>
#include <iostream>
#include <iomanip>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <queue>
#include <stack>
#include <utility>
#include <vector>
#include <functional>
#include <algorithm>

using namespace std;

typedef long double ld;
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

const int inf = 1e7 + 42;

int main()
{
	int N;
	cin >> N;

	string inp;
	cin >> inp;

	vector<int> ees;
	bool curry = 0;
	for (int i = 1; i < N; ++i) {
		if (inp[i] == 'e') {
			curry = true;
		} else if (inp[i] != 'e' && curry) {
			ees.push_back(i);
			curry = false;
		}
	}

	int ans = 0;
	reverse(ees.begin(), ees.end());
	int cp  = inf;
	for (auto &x : ees) {
		int cost = min(1, cp - x);
		ans += 2 * cost;
		for (int i = x - 1; i >= 1 && inp[i] == 'e'; --i) {
			ans += 2;
			cp = i;
		}
	}

	cout << ans << endl;
}

• Subtask 1: 0 / 50
• Subtask 2: 0 / 10
• Subtask 3: 0 / 40