답안 #831801

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
831801	2023-08-20T15:15:20 Z	serifefedartar	Palembang Bridges (APIO15_bridge)	C++17	100 / 100	250 ms	12704 KB

bridge

#include <bits/stdc++.h>
using namespace std;
 
#define fast ios::sync_with_stdio(0);cin.tie(0);
typedef long long ll;
#define f first
#define s second
#define MOD 1000000007
#define LOGN 18
#define MAXN 200005

vector<pair<ll,ll>> seq;
int main() {
	fast
	ll K, N;
	cin >> K >> N;

	ll sum = 0;
	for (int i = 0; i < N; i++) {
		char ch1, ch2;
		ll posR1, posR2;
		cin >> ch1 >> posR1 >> ch2 >> posR2;

		if (ch1 == ch2)
			sum += abs(posR1 - posR2);
		else
			seq.push_back({min(posR1, posR2), max(posR1, posR2)});
	}
	sort(seq.begin(), seq.end(), [&](pair<ll,ll> &a, pair<ll,ll> &b) {
		return a.f + a.s < b.f + b.s;
	});
	sum += seq.size();
	int n = seq.size();

	if (seq.size() == 0) {
		cout << sum << "\n";
		return 0;
	}

	ll ans = 1e15;
	vector<ll> pref(n+1, 0);
	multiset<int> s1, s2;
	ll sum1 = 0, sum2 = 0;
	for (int i = 0; i < n; i++) {
		s1.insert(seq[i].f);
		s2.insert(seq[i].s);
		sum1 += seq[i].f;
		sum2 += seq[i].s;

		while (*(s2.begin()) < *(--s1.end())) {
			s1.insert(*s2.begin());
			sum1 += *s2.begin();
			sum2 -= *s2.begin();
			s2.erase(s2.begin()); 
			s2.insert(*(--s1.end()));
			sum1 -= *(--s1.end());
			sum2 += *(--s1.end());
			s1.erase(s1.find(*(--s1.end())));
		}
		pref[i] = sum2 - sum1;
	}
	ans = pref[n-1];

	s1 = multiset<int>();
	s2 = multiset<int>();
	sum1 = sum2 = 0;
	if (K == 2) {
		for (int i = n-1; i >= 1; i--) {
			s1.insert(seq[i].f);
			s2.insert(seq[i].s);
			sum1 += seq[i].f;
			sum2 += seq[i].s;

			while (*(s2.begin()) < *(--s1.end())) {
				s1.insert(*s2.begin());
				sum1 += *s2.begin();
				sum2 -= *s2.begin();
				s2.erase(s2.begin()); 
				s2.insert(*(--s1.end()));
				sum1 -= *(--s1.end());
				sum2 += *(--s1.end());
				s1.erase(s1.find(*(--s1.end())));
			}
			ll now = sum2 - sum1;	
		
			ans = min(ans, now + pref[i-1]);		
		}
	}

	cout << sum + ans << "\n";
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	320 KB	Output is correct
3	Correct	1 ms	312 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	356 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct
10	Correct	1 ms	460 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	356 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	2 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	58 ms	12468 KB	Output is correct
13	Correct	100 ms	12504 KB	Output is correct
14	Correct	106 ms	11324 KB	Output is correct
15	Correct	57 ms	7640 KB	Output is correct
16	Correct	53 ms	12516 KB	Output is correct
17	Correct	85 ms	12480 KB	Output is correct
18	Correct	54 ms	12520 KB	Output is correct
19	Correct	87 ms	12460 KB	Output is correct
20	Correct	88 ms	12500 KB	Output is correct
21	Correct	102 ms	12468 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct

Subtask #4
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	328 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	468 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	2 ms	360 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	320 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	316 KB	Output is correct
10	Correct	1 ms	260 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	360 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	1 ms	456 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	2 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	98 ms	12704 KB	Output is correct
26	Correct	212 ms	12600 KB	Output is correct
27	Correct	226 ms	12472 KB	Output is correct
28	Correct	250 ms	12460 KB	Output is correct
29	Correct	230 ms	12444 KB	Output is correct
30	Correct	92 ms	7040 KB	Output is correct
31	Correct	77 ms	12476 KB	Output is correct
32	Correct	173 ms	12492 KB	Output is correct
33	Correct	74 ms	12496 KB	Output is correct
34	Correct	149 ms	12552 KB	Output is correct
35	Correct	141 ms	12448 KB	Output is correct
36	Correct	149 ms	12500 KB	Output is correct
37	Correct	82 ms	12556 KB	Output is correct

답안 #831801

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