답안 #953353

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
953353 2024-03-25T20:56:32 Z seriouslyFlawed Palembang Bridges (APIO15_bridge) C++17
100 / 100
77 ms 5652 KB
#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;

bool cmp(pair<int, int> a, pair<int, int> b) {
	return a.first + a.second < b.first + b.second;
}

priority_queue<int> lpq;
priority_queue<int, vector<int>, greater<int>> rpq;
ll lsum, rsum;

void insert(int x) {
	int median = (lpq.size() ? lpq.top() : 1000000001);
	if (x <= median) {
		lpq.push(x);
		lsum += x;
	} else {
		rpq.push(x);
		rsum += x;
	}

	if (rpq.size() + 1 < lpq.size()) {
		int nxt = lpq.top();
		lpq.pop();
		rpq.push(nxt);
		lsum -= nxt;
		rsum += nxt;
	} else if (lpq.size() < rpq.size()) {
		int nxt = rpq.top();
		rpq.pop();
		lpq.push(nxt);
		rsum -= nxt;
		lsum += nxt;
	}
}

ll pref[100001];

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int k, n;
	ll same_side = 0;
	vector<pair<int, int>> v = {{0, 0}};
	cin >> k >> n;
	FOR(i, 0, n) {
		char a, b;
		int x, y;
		cin >> a >> x >> b >> y;
		if (a == b) same_side += abs(x - y);
		else v.push_back({x, y});
	}
	sort(v.begin(), v.end(), cmp);
	n = v.size() - 1;
	same_side += n;

	lsum = rsum = 0;
	FOR(i, 1, n + 1) {
		insert(v[i].first);
		insert(v[i].second);
		pref[i] = rsum - lsum;
	}

	ll ans = pref[n];

	if (k == 2) {
		while (lpq.size()) lpq.pop();
		while (rpq.size()) rpq.pop();
		lsum = rsum = 0;

		for (int i = n; i; i--) {
			insert(v[i].first);
			insert(v[i].second);
			ans = min(ans, rsum - lsum + pref[i - 1]);
		}
	}
	cout << same_side + ans;
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 476 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 472 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 480 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 20 ms 4004 KB Output is correct
13 Correct 42 ms 5584 KB Output is correct
14 Correct 33 ms 4564 KB Output is correct
15 Correct 24 ms 3536 KB Output is correct
16 Correct 25 ms 4820 KB Output is correct
17 Correct 33 ms 5324 KB Output is correct
18 Correct 33 ms 5324 KB Output is correct
19 Correct 38 ms 5448 KB Output is correct
20 Correct 28 ms 5576 KB Output is correct
21 Correct 36 ms 5196 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 472 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 464 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 444 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 476 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 356 KB Output is correct
7 Correct 0 ms 356 KB Output is correct
8 Correct 0 ms 356 KB Output is correct
9 Correct 0 ms 356 KB Output is correct
10 Correct 0 ms 356 KB Output is correct
11 Correct 1 ms 356 KB Output is correct
12 Correct 0 ms 356 KB Output is correct
13 Correct 1 ms 356 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 360 KB Output is correct
16 Correct 0 ms 360 KB Output is correct
17 Correct 1 ms 352 KB Output is correct
18 Correct 1 ms 360 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 420 KB Output is correct
21 Correct 1 ms 356 KB Output is correct
22 Correct 1 ms 360 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 360 KB Output is correct
25 Correct 29 ms 3924 KB Output is correct
26 Correct 54 ms 4564 KB Output is correct
27 Correct 68 ms 5076 KB Output is correct
28 Correct 77 ms 5652 KB Output is correct
29 Correct 71 ms 5532 KB Output is correct
30 Correct 36 ms 2780 KB Output is correct
31 Correct 32 ms 4520 KB Output is correct
32 Correct 56 ms 4972 KB Output is correct
33 Correct 54 ms 4816 KB Output is correct
34 Correct 68 ms 5068 KB Output is correct
35 Correct 39 ms 5068 KB Output is correct
36 Correct 56 ms 5068 KB Output is correct
37 Correct 23 ms 3772 KB Output is correct