Submission #981899

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
981899	2024-05-13T16:12:24 Z	michified	Palembang Bridges (APIO15_bridge)	C++17	100 / 100	64 ms	6860 KB

bridge

#include <bits/stdc++.h>
#define ll long long
using namespace std;

ll ltot, rtot;
priority_queue<int> pql;
priority_queue<int, vector<int>, greater<int>> pqr;

void put(ll x) {
	ll med = pql.empty() ? LLONG_MAX : pql.top(), tmp;
	if (x <= med) {
		pql.push(x);
		ltot += x;
	} else {
		pqr.push(x);
		rtot += x;
	}
	if (pqr.size() + 1 < pql.size()) {
		tmp = pql.top();
		pql.pop();
		pqr.push(tmp);
		ltot -= tmp;
		rtot += tmp;
	} else if (pqr.size() > pql.size()) {
		tmp = pqr.top();
		pqr.pop();
		pql.push(tmp);
		ltot += tmp;
		rtot -= tmp;
	}
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	
	int k, n, i;
	cin >> k >> n;
	char az, bz;
	ll ap, bp, ss = 0, best = 0;
	vector<ll> pos;
	vector<pair<ll, ll>> ppl;
	for (i = 0; i < n; i++) {
		cin >> az >> ap >> bz >> bp;
		if (az == bz) ss += abs(ap - bp);
		else {
			if (ap > bp) swap(ap, bp);
			ppl.push_back({ap, bp});
			ss++;
		}
	}
	n = ppl.size();
	sort(ppl.begin(), ppl.end(), [](const pair<int, int>& one, const pair<int, int>& two){return one.first + one.second < two.first + two.second;});
	ltot = rtot = 0;
	vector<ll> pref(n + 1);
	for (i = 0; i < n; i++) {
		put(ppl[i].first);
		put(ppl[i].second);
		pref[i + 1] = rtot - ltot;
	}
	best = pref[n];

	if (k == 2) {
		while (not pql.empty()) pql.pop();
		while (not pqr.empty()) pqr.pop();
		ltot = rtot = 0;
		for (i = n - 1; i >= 0; i--) {
			put(ppl[i].first);
			put(ppl[i].second);
			best = min(best, rtot - ltot + pref[i]);
		}
	}
	cout << ss + best;
	return 0;
}

Subtask #1
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	600 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	348 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

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	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	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	508 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	504 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
12	Correct	17 ms	4820 KB	Output is correct
13	Correct	36 ms	6348 KB	Output is correct
14	Correct	28 ms	5216 KB	Output is correct
15	Correct	21 ms	4056 KB	Output is correct
16	Correct	18 ms	5456 KB	Output is correct
17	Correct	29 ms	6092 KB	Output is correct
18	Correct	20 ms	6092 KB	Output is correct
19	Correct	35 ms	6292 KB	Output is correct
20	Correct	25 ms	6188 KB	Output is correct
21	Correct	37 ms	5832 KB	Output is correct

Subtask #3
9.0 / 9.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	460 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	344 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct

Subtask #4
32.0 / 32.0

#	Verdict	Execution time	Memory	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	468 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	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	604 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	600 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct

Subtask #5
37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 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	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 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	344 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 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	504 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	25 ms	4680 KB	Output is correct
26	Correct	44 ms	5076 KB	Output is correct
27	Correct	60 ms	6204 KB	Output is correct
28	Correct	64 ms	6604 KB	Output is correct
29	Correct	64 ms	6860 KB	Output is correct
30	Correct	32 ms	3536 KB	Output is correct
31	Correct	23 ms	5436 KB	Output is correct
32	Correct	50 ms	6092 KB	Output is correct
33	Correct	34 ms	6096 KB	Output is correct
34	Correct	57 ms	6092 KB	Output is correct
35	Correct	39 ms	6348 KB	Output is correct
36	Correct	54 ms	5836 KB	Output is correct
37	Correct	26 ms	4816 KB	Output is correct

Submission #981899

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