답안 #414819

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
414819	2021-05-31T08:33:09 Z	ngpin04	Palembang Bridges (APIO15_bridge)	C++14	100 / 100	115 ms	6008 KB

bridge

#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
using namespace std;
const int N = 1e5 + 5; 

long long pre[N];
long long suf[N];
long long lsum, rsum;

pair <int, int> a[N];

int n,m,k;

priority_queue <int> lheap, rheap;

void add(int x) {
	int med = (lheap.size() ? lheap.top() : 1e9 + 1);
	if (x <= med) {
		lheap.push(x);
		lsum += x;
		if (lheap.size() > rheap.size() + 1) {
			x = lheap.top();
			lsum -= x;
			rsum += x;
			lheap.pop();
			rheap.push(-x);
		}
	} else {	
		rheap.push(-x);
		rsum += x;
		if (lheap.size() < rheap.size()) {
			x = -rheap.top();
			rsum -= x;
			lsum += x;
			rheap.pop();
			lheap.push(x);
		}
	}
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> k >> n;
	long long same_side = 0;
	for (int i = 1; i <= n; i++) {	
		char cx, cy;
		int x, y;
		cin >> cx >> x >> cy >> y;
		if (cx == cy)
			same_side += abs(x - y);
		else {
			if (x > y)
				swap(x, y);
			a[++m] = mp(x, y);
		}
	}	

	sort(a + 1, a + m + 1, [](pair <int, int> a, pair <int, int> b) {
		return (a.fi + a.se < b.fi + b.se);
	});
	
	for (int i = 1; i <= m; i++) {
		add(a[i].fi);
		add(a[i].se);
		pre[i] = rsum - lsum;
	}

	lsum = rsum = 0;
	while (lheap.size())
		lheap.pop();
	while (rheap.size())
		rheap.pop();

	for (int i = m; i >= 1; i--) {
		add(a[i].fi);
		add(a[i].se);
		suf[i] = rsum - lsum;
	}

	long long res = 1e18;
	for (int i = 0; i <= m; i++) 
		res = min(res, pre[i] + suf[i + 1]);
	if (k == 1)
		res = pre[m];
	cout << res + same_side + m;
	return 0;
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	3 ms	332 KB	Output is correct
5	Correct	2 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	2 ms	332 KB	Output is correct
8	Correct	2 ms	332 KB	Output is correct
9	Correct	2 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	2 ms	328 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	2 ms	332 KB	Output is correct
10	Correct	2 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	41 ms	4392 KB	Output is correct
13	Correct	115 ms	5876 KB	Output is correct
14	Correct	73 ms	4424 KB	Output is correct
15	Correct	56 ms	3588 KB	Output is correct
16	Correct	55 ms	5236 KB	Output is correct
17	Correct	74 ms	5944 KB	Output is correct
18	Correct	65 ms	5504 KB	Output is correct
19	Correct	79 ms	5948 KB	Output is correct
20	Correct	57 ms	5520 KB	Output is correct
21	Correct	86 ms	5660 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	292 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct

Subtask #4
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	2 ms	332 KB	Output is correct
21	Correct	3 ms	332 KB	Output is correct
22	Correct	2 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	2 ms	332 KB	Output is correct
15	Correct	2 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	2 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	2 ms	332 KB	Output is correct
25	Correct	43 ms	3640 KB	Output is correct
26	Correct	65 ms	3508 KB	Output is correct
27	Correct	101 ms	5220 KB	Output is correct
28	Correct	99 ms	6008 KB	Output is correct
29	Correct	95 ms	5888 KB	Output is correct
30	Correct	45 ms	3300 KB	Output is correct
31	Correct	48 ms	5292 KB	Output is correct
32	Correct	84 ms	5964 KB	Output is correct
33	Correct	56 ms	5484 KB	Output is correct
34	Correct	79 ms	5964 KB	Output is correct
35	Correct	65 ms	5452 KB	Output is correct
36	Correct	78 ms	5708 KB	Output is correct
37	Correct	40 ms	4408 KB	Output is correct

답안 #414819

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 14.0 / 14.0

Subtask #3 9.0 / 9.0

Subtask #4 32.0 / 32.0

Subtask #5 37.0 / 37.0

Subtask #1
8.0 / 8.0

Subtask #2
14.0 / 14.0

Subtask #3
9.0 / 9.0

Subtask #4
32.0 / 32.0

Subtask #5
37.0 / 37.0