답안 #702107

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
702107 2023-02-22T23:26:26 Z ymm Candies (JOI18_candies) C++17
100 / 100
309 ms 23340 KB
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

const int N = 200'010;
ll a[N];

struct Obj {
	int l, r;
	ll val0, val1;
} obj[N];
int rt[N];

ll val(int x) { return obj[x].val0 - obj[x].val1; }

set<pair<ll, int>, greater<pair<ll, int>>> pq;

int main()
{
	cin.tie(0) -> sync_with_stdio(false);
	int n;
	cin >> n;
	Loop (i,0,n+2) {
		if (i==0 || i==n+1)
			a[i] = -1e18;
		else
			cin >> a[i];
		obj[i].l = obj[i].r = i;
		obj[i].val0 = a[i];
		pq.insert({val(i), i});
		rt[i] = i;
	}
	ll sum = 0;
	Loop (i,0,(n+1)/2) {
		int p = pq.begin()->second;
		sum += val(p);
		cout << sum << '\n';

		int lrt = rt[obj[p].l-1];
		int rrt = rt[obj[p].r+1];
		pq.erase({val(p), p});
		pq.erase({val(lrt), lrt});
		pq.erase({val(rrt), rrt});
		rt[obj[lrt].l] = p;
		rt[obj[rrt].r] = p;
		swap(obj[p].val0, obj[p].val1);
		obj[p].val0 += obj[lrt].val0;
		obj[p].val0 += obj[rrt].val0;
		obj[p].val1 += obj[lrt].val1;
		obj[p].val1 += obj[rrt].val1;
		obj[p].l = obj[lrt].l;
		obj[p].r = obj[rrt].r;
		pq.insert({val(p), p});
	}
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 472 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 2 ms 464 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 2 ms 464 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 472 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 2 ms 464 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 2 ms 464 KB Output is correct
21 Correct 301 ms 23260 KB Output is correct
22 Correct 294 ms 23244 KB Output is correct
23 Correct 309 ms 23260 KB Output is correct
24 Correct 127 ms 23116 KB Output is correct
25 Correct 126 ms 23076 KB Output is correct
26 Correct 135 ms 23148 KB Output is correct
27 Correct 142 ms 23288 KB Output is correct
28 Correct 143 ms 23276 KB Output is correct
29 Correct 143 ms 23288 KB Output is correct
30 Correct 149 ms 23276 KB Output is correct
31 Correct 147 ms 23280 KB Output is correct
32 Correct 148 ms 23244 KB Output is correct
33 Correct 217 ms 23080 KB Output is correct
34 Correct 213 ms 23008 KB Output is correct
35 Correct 217 ms 23284 KB Output is correct
36 Correct 309 ms 23240 KB Output is correct
37 Correct 298 ms 23248 KB Output is correct
38 Correct 304 ms 23240 KB Output is correct
39 Correct 135 ms 23044 KB Output is correct
40 Correct 126 ms 23052 KB Output is correct
41 Correct 127 ms 23044 KB Output is correct
42 Correct 140 ms 23244 KB Output is correct
43 Correct 138 ms 23304 KB Output is correct
44 Correct 144 ms 23308 KB Output is correct
45 Correct 148 ms 23280 KB Output is correct
46 Correct 149 ms 23308 KB Output is correct
47 Correct 152 ms 23340 KB Output is correct
48 Correct 221 ms 23000 KB Output is correct
49 Correct 213 ms 23004 KB Output is correct
50 Correct 223 ms 23200 KB Output is correct