oj.uz

Submission #961065

# Submission time Handle Problem Language Result Execution time Memory
961065 2024-04-11T13:14:32 Z Pring Candies (JOI18_candies) C++17
100 / 100
 428 ms 29904 KB 
#include <bits/stdc++.h>
using namespace std;

#ifdef MIKU
string dbmc = "\033[1;38;2;57;197;187m", dbrs = "\033[0m";
#define debug(x...) cout << dbmc << "[" << #x << "]: ", dout(x)
void dout() { cout << dbrs << endl; }
template <typename T, typename ...U>
void dout(T t, U ...u) { cout << t << (sizeof...(u) ? ", " : ""); dout(u...); }
#else 
#define debug(...) 39
#endif

#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
using ll = long long;
typedef pair<int, int> pii;
typedef pair<ll, int> pli;
typedef pair<int, ll> pil;

const int MXN = 200005;
const ll INF = 3.9e18;
int n;
ll a[MXN], ans;
set<pil> pos;
multiset<pli> S;

void PRE() {
	FOR(i, 0, n + 2) {
		pos.insert(mp(i, a[i]));
		S.insert(mp(a[i], i));
	}
}

void miku() {
	cin >> n;
	FOR(i, 1, n + 1) cin >> a[i];
	a[0] = -INF;
	a[n + 1] = -INF;
	PRE();
	FOR(i, 0, n / 2 + n % 2) {
		// for (auto [v, j] : pos) debug(v, j);
		auto [val, p] = *S.rbegin();
		ans += val;
		auto it = pos.find(mp(p, val));
		auto itl = prev(it), itr = next(it);
		auto [l, vl] = *itl;
		auto [r, vr] = *itr;
		FOR($, 0, 3) {
			itl = pos.erase(itl);
		}
		S.erase(S.find(mp(val, p)));
		S.erase(S.find(mp(vl, l)));
		S.erase(S.find(mp(vr, r)));
		pos.insert(mp(l, vl + vr - val));
		S.insert(mp(vl + vr - val, l));
		cout << ans << '\n';
	}
}

int32_t main() {
	cin.tie(0) -> sync_with_stdio(false);
	cin.exceptions(cin.failbit);
	miku();
	return 0;
}

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 604 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 600 KB Output is correct
7 Correct 2 ms 744 KB Output is correct
8 Correct 2 ms 728 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 728 KB Output is correct
11 Correct 2 ms 732 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 2 ms 600 KB Output is correct
19 Correct 3 ms 604 KB Output is correct
20 Correct 1 ms 732 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 604 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 600 KB Output is correct
7 Correct 2 ms 744 KB Output is correct
8 Correct 2 ms 728 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 728 KB Output is correct
11 Correct 2 ms 732 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 2 ms 600 KB Output is correct
19 Correct 3 ms 604 KB Output is correct
20 Correct 1 ms 732 KB Output is correct
21 Correct 411 ms 29740 KB Output is correct
22 Correct 428 ms 29788 KB Output is correct
23 Correct 415 ms 29688 KB Output is correct
24 Correct 189 ms 29356 KB Output is correct
25 Correct 182 ms 29492 KB Output is correct
26 Correct 172 ms 29512 KB Output is correct
27 Correct 200 ms 29776 KB Output is correct
28 Correct 193 ms 29844 KB Output is correct
29 Correct 184 ms 29812 KB Output is correct
30 Correct 202 ms 29804 KB Output is correct
31 Correct 222 ms 29660 KB Output is correct
32 Correct 197 ms 29776 KB Output is correct
33 Correct 303 ms 29372 KB Output is correct
34 Correct 294 ms 29592 KB Output is correct
35 Correct 279 ms 29404 KB Output is correct
36 Correct 402 ms 29660 KB Output is correct
37 Correct 416 ms 29612 KB Output is correct
38 Correct 420 ms 29752 KB Output is correct
39 Correct 201 ms 29476 KB Output is correct
40 Correct 211 ms 29324 KB Output is correct
41 Correct 174 ms 29524 KB Output is correct
42 Correct 190 ms 29772 KB Output is correct
43 Correct 183 ms 29780 KB Output is correct
44 Correct 182 ms 29748 KB Output is correct
45 Correct 190 ms 29692 KB Output is correct
46 Correct 192 ms 29776 KB Output is correct
47 Correct 198 ms 29904 KB Output is correct
48 Correct 284 ms 29356 KB Output is correct
49 Correct 281 ms 29412 KB Output is correct
50 Correct 270 ms 29508 KB Output is correct