oj.uz

Submission #737918

# Submission time Handle Problem Language Result Execution time Memory
737918 2023-05-08T00:30:56 Z vjudge1 Palembang Bridges (APIO15_bridge) C++17
100 / 100
 69 ms 8352 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
#define PQ priority_queue
#define PQG(x) PQ<x,vector<x>,greater<x>>
bool cmp(pair<int, int> a, pair<int, int> b) {
	return a.first + a.second < b.first + b.second;
}
PQ<int> l;
PQG(int) r;
int ls, rs, arr[100100];
void ins(int x) {
	int m = (l.size() ? l.top() : (int)(1e9+7));
	if (x <= m) {
		l.push(x);
		ls += x;
	} else {
		r.push(x);
		rs += x;
	}
	if (r.size() + 1 < l.size()) {
		int x = l.top();
		l.pop();
		r.push(x);
		ls -= x;
		rs += x;
	} else if (l.size() < r.size()) {
		int x = r.top();
		r.pop();
		l.push(x);
		rs -= x;
		ls += x;
	}
}
signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int k, n;
	int ans = 0;
	vector<pair<int, int>> v = {{0, 0}};
	cin >> k >> n;
	for(int i = 0; i < n; i++){
		char a, b;
		int x, y;
		cin >> a >> x >> b >> y;
		if (a == b) ans += abs(x - y);
		else v.push_back({x, y});
	}
	sort(v.begin(), v.end(), cmp);
	ans += n = v.size()-1;
	for(int i = 1; i <= n; i++) {
		ins(v[i].first);
		ins(v[i].second);
		arr[i] = rs - ls;
	}
	int ans2 = arr[n];
	if (k == 2) {
		l = PQ<int>();
        r = PQG(int)();
		ls = rs = 0;
		for (int i = n+1; --i;) {
			ins(v[i].first);
			ins(v[i].second);
			ans2 = min(ans2, rs - ls + arr[i - 1]);
		}
	}
	cout << ans + ans2;
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 344 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 372 KB Output is correct
6 Correct 1 ms 340 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 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 26 ms 6412 KB Output is correct
13 Correct 52 ms 7700 KB Output is correct
14 Correct 42 ms 6980 KB Output is correct
15 Correct 36 ms 4936 KB Output is correct
16 Correct 35 ms 7020 KB Output is correct
17 Correct 41 ms 7876 KB Output is correct
18 Correct 43 ms 7816 KB Output is correct
19 Correct 46 ms 7872 KB Output is correct
20 Correct 33 ms 7476 KB Output is correct
21 Correct 46 ms 7644 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 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 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 340 KB Output is correct
12 Correct 1 ms 212 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 212 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 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 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 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 336 KB Output is correct
18 Correct 1 ms 340 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 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 1 ms 340 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 340 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 332 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 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 336 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 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 33 ms 6348 KB Output is correct
26 Correct 52 ms 7232 KB Output is correct
27 Correct 64 ms 7344 KB Output is correct
28 Correct 68 ms 8352 KB Output is correct
29 Correct 69 ms 7904 KB Output is correct
30 Correct 38 ms 4172 KB Output is correct
31 Correct 39 ms 6904 KB Output is correct
32 Correct 56 ms 7868 KB Output is correct
33 Correct 54 ms 7696 KB Output is correct
34 Correct 57 ms 7860 KB Output is correct
35 Correct 41 ms 7480 KB Output is correct
36 Correct 54 ms 7672 KB Output is correct
37 Correct 29 ms 6288 KB Output is correct