oj.uz

Submission #962609

# Submission time Handle Problem Language Result Execution time Memory
962609 2024-04-14T02:24:09 Z pavement Candies (JOI18_candies) C++17
100 / 100
 453 ms 30816 KB 
#include <bits/stdc++.h>
using namespace std;

#define mp make_pair
#define mt make_tuple
#define pb push_back
#define eb emplace_back

using ll = long long;
using ii = pair<int, int>;
using iii = tuple<int, int, int>;
using ld = long double;

int N;
ll ans, A[200005];
multiset<pair<ll, ll> > s, s2;

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> N;
	N += 2;
	A[1] = -(ll)1e16;
	for (int i = 2; i <= N - 1; i++) {
		cin >> A[i];
	}
	A[N] = -(ll)1e16;
	for (int i = 1; i <= N; i++) {
		s2.emplace(A[i], i);
		s.emplace(i, A[i]);
	}
	for (int j = 1; j < (N + 1) / 2; j++) {
		vector<set<pair<ll, ll> >::iterator> to_erase, to_erase2;
		auto [x, idx] = *s2.rbegin();
		ans += x;
		auto it = s.find(mp(idx, x));
		x = -x;
		to_erase.pb(it);
		to_erase2.pb(--s2.end());
		++it;
		if (it != s.end()) {
			to_erase.pb(it);
			to_erase2.pb(s2.find(mp(it->second, it->first)));
			x += it->second;
		}
		--it;
		if (it != s.begin()) {
			--it;
			to_erase.pb(it);
			to_erase2.pb(s2.find(mp(it->second, it->first)));
			x += it->second;
			++it;
		}
		for (auto it_2 : to_erase) {
			s.erase(it_2);
		}
		for (auto it_2 : to_erase2) {
			s2.erase(it_2);
		}
		s.emplace(idx, x);
		s2.emplace(x, idx);
		cout << ans << '\n';
	}
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 600 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 608 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 732 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 736 KB Output is correct
10 Correct 2 ms 856 KB Output is correct
11 Correct 3 ms 604 KB Output is correct
12 Correct 2 ms 612 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 3 ms 764 KB Output is correct
15 Correct 2 ms 728 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 2 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct

Subtask #2
92.0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 600 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 608 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 732 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 736 KB Output is correct
10 Correct 2 ms 856 KB Output is correct
11 Correct 3 ms 604 KB Output is correct
12 Correct 2 ms 612 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 3 ms 764 KB Output is correct
15 Correct 2 ms 728 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 2 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 453 ms 30364 KB Output is correct
22 Correct 419 ms 30660 KB Output is correct
23 Correct 453 ms 30312 KB Output is correct
24 Correct 181 ms 30204 KB Output is correct
25 Correct 197 ms 30232 KB Output is correct
26 Correct 180 ms 30208 KB Output is correct
27 Correct 189 ms 30336 KB Output is correct
28 Correct 207 ms 30452 KB Output is correct
29 Correct 211 ms 30424 KB Output is correct
30 Correct 204 ms 30356 KB Output is correct
31 Correct 219 ms 30376 KB Output is correct
32 Correct 237 ms 30816 KB Output is correct
33 Correct 309 ms 30252 KB Output is correct
34 Correct 294 ms 30340 KB Output is correct
35 Correct 315 ms 30208 KB Output is correct
36 Correct 392 ms 30272 KB Output is correct
37 Correct 440 ms 30356 KB Output is correct
38 Correct 424 ms 30396 KB Output is correct
39 Correct 210 ms 30096 KB Output is correct
40 Correct 188 ms 30296 KB Output is correct
41 Correct 183 ms 30292 KB Output is correct
42 Correct 211 ms 30664 KB Output is correct
43 Correct 211 ms 30416 KB Output is correct
44 Correct 196 ms 30544 KB Output is correct
45 Correct 270 ms 30256 KB Output is correct
46 Correct 243 ms 30272 KB Output is correct
47 Correct 223 ms 30280 KB Output is correct
48 Correct 294 ms 30032 KB Output is correct
49 Correct 283 ms 30252 KB Output is correct
50 Correct 301 ms 30224 KB Output is correct