답안 #935095

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
935095	2024-02-28T15:27:15 Z	MinaRagy06	The short shank; Redemption (BOI21_prison)	C++17	100 / 100	370 ms	264624 KB

prison

#include <bits/stdc++.h>
using namespace std;
#define ll long long

const int N = 2'000'005;
int par[N];
array<int, 2> dp[N];
vector<int> adj[N];
bool vis[N], in[N];
void dfs(int i) {
	dp[i] = {0, i};
	in[i] = 1;
	for (auto nxt : adj[i]) {
		dfs(nxt);
		array<int, 2> val = dp[nxt];
		val[0]++;
		dp[i] = max(dp[i], val);
	}
}
int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	int n, d, t;
	cin >> n >> d >> t;
	int a[n];
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	stack<int> s;
	int ans = n;
	for (int i = n - 1; i >= 0; i--) {
		while (s.size() && s.top() <= t + i - a[i]) {
			s.pop();
		}
		par[i] = i;
		if (a[i] > t) {
			if (s.size()) par[i] = s.top();
			s.push(i);
		}
	}
	for (int i = 0; i < n; i++) {
		if (par[i] == i) continue;
		adj[par[i]].push_back(i);
	}
	priority_queue<array<int, 2>> pq;
	while (s.size()) {
		vis[s.top()] = 1;
		s.pop();
	}
	for (int i = n - 1; i >= 0; i--) {
		if (a[i] > t && !in[i] && !vis[i]) {
			dfs(i);
			pq.push({dp[i][0], i});
		}
	}
	while (d-- && pq.size()) {
		array<int, 2> v = pq.top();
		pq.pop();
		int i = dp[v[1]][1];
		while (1) {
			for (auto nxt : adj[i]) {
				if (!vis[nxt]) {
					pq.push({dp[nxt][0], nxt});
				}
			}
			vis[i] = 1;
			if (i == v[1]) break;
			i = par[i];
		}
	}
	for (int i = 0; i < n; i++) {
		ans -= vis[i];
	}
	cout << ans << '\n';
	return 0;
}

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	51544 KB	Output is correct
2	Correct	11 ms	51544 KB	Output is correct
3	Correct	12 ms	51784 KB	Output is correct
4	Correct	12 ms	51784 KB	Output is correct
5	Correct	12 ms	53592 KB	Output is correct
6	Correct	12 ms	51544 KB	Output is correct
7	Correct	12 ms	53592 KB	Output is correct
8	Correct	14 ms	53732 KB	Output is correct
9	Correct	12 ms	53712 KB	Output is correct
10	Correct	12 ms	53592 KB	Output is correct
11	Correct	12 ms	53596 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	51804 KB	Output is correct
2	Correct	71 ms	69672 KB	Output is correct
3	Correct	67 ms	65708 KB	Output is correct
4	Correct	69 ms	70728 KB	Output is correct
5	Correct	70 ms	72548 KB	Output is correct
6	Correct	78 ms	79692 KB	Output is correct
7	Correct	107 ms	126900 KB	Output is correct
8	Correct	77 ms	78224 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	51544 KB	Output is correct
2	Correct	11 ms	51544 KB	Output is correct
3	Correct	12 ms	51784 KB	Output is correct
4	Correct	12 ms	51784 KB	Output is correct
5	Correct	12 ms	53592 KB	Output is correct
6	Correct	12 ms	51544 KB	Output is correct
7	Correct	12 ms	53592 KB	Output is correct
8	Correct	14 ms	53732 KB	Output is correct
9	Correct	12 ms	53712 KB	Output is correct
10	Correct	12 ms	53592 KB	Output is correct
11	Correct	12 ms	53596 KB	Output is correct
12	Correct	12 ms	51544 KB	Output is correct
13	Correct	11 ms	51712 KB	Output is correct
14	Correct	11 ms	51548 KB	Output is correct
15	Correct	12 ms	51548 KB	Output is correct
16	Correct	12 ms	53592 KB	Output is correct
17	Correct	13 ms	51548 KB	Output is correct
18	Correct	12 ms	53596 KB	Output is correct
19	Correct	11 ms	53592 KB	Output is correct
20	Correct	13 ms	53596 KB	Output is correct
21	Correct	12 ms	53596 KB	Output is correct
22	Correct	11 ms	53592 KB	Output is correct
23	Correct	12 ms	53852 KB	Output is correct
24	Correct	12 ms	51804 KB	Output is correct
25	Correct	13 ms	53852 KB	Output is correct
26	Correct	13 ms	51804 KB	Output is correct
27	Correct	13 ms	53852 KB	Output is correct
28	Correct	12 ms	51804 KB	Output is correct
29	Correct	12 ms	53852 KB	Output is correct
30	Correct	12 ms	53852 KB	Output is correct
31	Correct	15 ms	54364 KB	Output is correct
32	Correct	12 ms	53716 KB	Output is correct
33	Correct	12 ms	53852 KB	Output is correct
34	Correct	12 ms	53852 KB	Output is correct
35	Correct	12 ms	51804 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	51544 KB	Output is correct
2	Correct	22 ms	55964 KB	Output is correct
3	Correct	20 ms	55644 KB	Output is correct
4	Correct	23 ms	59404 KB	Output is correct
5	Correct	24 ms	58964 KB	Output is correct
6	Correct	25 ms	58936 KB	Output is correct
7	Correct	21 ms	57180 KB	Output is correct
8	Correct	21 ms	57144 KB	Output is correct
9	Correct	26 ms	63828 KB	Output is correct
10	Correct	19 ms	55788 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	51544 KB	Output is correct
2	Correct	11 ms	51544 KB	Output is correct
3	Correct	12 ms	51784 KB	Output is correct
4	Correct	12 ms	51784 KB	Output is correct
5	Correct	12 ms	53592 KB	Output is correct
6	Correct	12 ms	51544 KB	Output is correct
7	Correct	12 ms	53592 KB	Output is correct
8	Correct	14 ms	53732 KB	Output is correct
9	Correct	12 ms	53712 KB	Output is correct
10	Correct	12 ms	53592 KB	Output is correct
11	Correct	12 ms	53596 KB	Output is correct
12	Correct	12 ms	51544 KB	Output is correct
13	Correct	11 ms	51712 KB	Output is correct
14	Correct	11 ms	51548 KB	Output is correct
15	Correct	12 ms	51548 KB	Output is correct
16	Correct	12 ms	53592 KB	Output is correct
17	Correct	13 ms	51548 KB	Output is correct
18	Correct	12 ms	53596 KB	Output is correct
19	Correct	11 ms	53592 KB	Output is correct
20	Correct	13 ms	53596 KB	Output is correct
21	Correct	12 ms	53596 KB	Output is correct
22	Correct	11 ms	53592 KB	Output is correct
23	Correct	12 ms	53852 KB	Output is correct
24	Correct	12 ms	51804 KB	Output is correct
25	Correct	13 ms	53852 KB	Output is correct
26	Correct	13 ms	51804 KB	Output is correct
27	Correct	13 ms	53852 KB	Output is correct
28	Correct	12 ms	51804 KB	Output is correct
29	Correct	12 ms	53852 KB	Output is correct
30	Correct	12 ms	53852 KB	Output is correct
31	Correct	15 ms	54364 KB	Output is correct
32	Correct	12 ms	53716 KB	Output is correct
33	Correct	12 ms	53852 KB	Output is correct
34	Correct	12 ms	53852 KB	Output is correct
35	Correct	12 ms	51804 KB	Output is correct
36	Correct	11 ms	51544 KB	Output is correct
37	Correct	22 ms	55964 KB	Output is correct
38	Correct	20 ms	55644 KB	Output is correct
39	Correct	23 ms	59404 KB	Output is correct
40	Correct	24 ms	58964 KB	Output is correct
41	Correct	25 ms	58936 KB	Output is correct
42	Correct	21 ms	57180 KB	Output is correct
43	Correct	21 ms	57144 KB	Output is correct
44	Correct	26 ms	63828 KB	Output is correct
45	Correct	19 ms	55788 KB	Output is correct
46	Correct	11 ms	51548 KB	Output is correct
47	Correct	12 ms	51548 KB	Output is correct
48	Correct	11 ms	51544 KB	Output is correct
49	Correct	11 ms	51548 KB	Output is correct
50	Correct	13 ms	53772 KB	Output is correct
51	Correct	11 ms	51548 KB	Output is correct
52	Correct	12 ms	53596 KB	Output is correct
53	Correct	12 ms	53596 KB	Output is correct
54	Correct	12 ms	53832 KB	Output is correct
55	Correct	12 ms	53760 KB	Output is correct
56	Correct	12 ms	53596 KB	Output is correct
57	Correct	13 ms	54048 KB	Output is correct
58	Correct	12 ms	51648 KB	Output is correct
59	Correct	12 ms	53852 KB	Output is correct
60	Correct	12 ms	51880 KB	Output is correct
61	Correct	13 ms	53860 KB	Output is correct
62	Correct	13 ms	52060 KB	Output is correct
63	Correct	12 ms	53852 KB	Output is correct
64	Correct	14 ms	53848 KB	Output is correct
65	Correct	13 ms	53852 KB	Output is correct
66	Correct	12 ms	53916 KB	Output is correct
67	Correct	13 ms	53852 KB	Output is correct
68	Correct	13 ms	53852 KB	Output is correct
69	Correct	12 ms	51892 KB	Output is correct
70	Correct	11 ms	51664 KB	Output is correct
71	Correct	21 ms	55748 KB	Output is correct
72	Correct	21 ms	55644 KB	Output is correct
73	Correct	23 ms	59484 KB	Output is correct
74	Correct	23 ms	58972 KB	Output is correct
75	Correct	24 ms	58964 KB	Output is correct
76	Correct	21 ms	57180 KB	Output is correct
77	Correct	21 ms	57180 KB	Output is correct
78	Correct	25 ms	63832 KB	Output is correct
79	Correct	19 ms	55784 KB	Output is correct
80	Correct	21 ms	53596 KB	Output is correct
81	Correct	22 ms	55900 KB	Output is correct
82	Correct	22 ms	53592 KB	Output is correct
83	Correct	23 ms	57532 KB	Output is correct
84	Correct	22 ms	55644 KB	Output is correct
85	Correct	24 ms	59228 KB	Output is correct
86	Correct	23 ms	57692 KB	Output is correct
87	Correct	25 ms	56408 KB	Output is correct
88	Correct	25 ms	62556 KB	Output is correct
89	Correct	25 ms	61504 KB	Output is correct
90	Correct	23 ms	60760 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	51544 KB	Output is correct
2	Correct	11 ms	51544 KB	Output is correct
3	Correct	12 ms	51784 KB	Output is correct
4	Correct	12 ms	51784 KB	Output is correct
5	Correct	12 ms	53592 KB	Output is correct
6	Correct	12 ms	51544 KB	Output is correct
7	Correct	12 ms	53592 KB	Output is correct
8	Correct	14 ms	53732 KB	Output is correct
9	Correct	12 ms	53712 KB	Output is correct
10	Correct	12 ms	53592 KB	Output is correct
11	Correct	12 ms	53596 KB	Output is correct
12	Correct	14 ms	51804 KB	Output is correct
13	Correct	71 ms	69672 KB	Output is correct
14	Correct	67 ms	65708 KB	Output is correct
15	Correct	69 ms	70728 KB	Output is correct
16	Correct	70 ms	72548 KB	Output is correct
17	Correct	78 ms	79692 KB	Output is correct
18	Correct	107 ms	126900 KB	Output is correct
19	Correct	77 ms	78224 KB	Output is correct
20	Correct	12 ms	51544 KB	Output is correct
21	Correct	11 ms	51712 KB	Output is correct
22	Correct	11 ms	51548 KB	Output is correct
23	Correct	12 ms	51548 KB	Output is correct
24	Correct	12 ms	53592 KB	Output is correct
25	Correct	13 ms	51548 KB	Output is correct
26	Correct	12 ms	53596 KB	Output is correct
27	Correct	11 ms	53592 KB	Output is correct
28	Correct	13 ms	53596 KB	Output is correct
29	Correct	12 ms	53596 KB	Output is correct
30	Correct	11 ms	53592 KB	Output is correct
31	Correct	12 ms	53852 KB	Output is correct
32	Correct	12 ms	51804 KB	Output is correct
33	Correct	13 ms	53852 KB	Output is correct
34	Correct	13 ms	51804 KB	Output is correct
35	Correct	13 ms	53852 KB	Output is correct
36	Correct	12 ms	51804 KB	Output is correct
37	Correct	12 ms	53852 KB	Output is correct
38	Correct	12 ms	53852 KB	Output is correct
39	Correct	15 ms	54364 KB	Output is correct
40	Correct	12 ms	53716 KB	Output is correct
41	Correct	12 ms	53852 KB	Output is correct
42	Correct	12 ms	53852 KB	Output is correct
43	Correct	12 ms	51804 KB	Output is correct
44	Correct	11 ms	51544 KB	Output is correct
45	Correct	22 ms	55964 KB	Output is correct
46	Correct	20 ms	55644 KB	Output is correct
47	Correct	23 ms	59404 KB	Output is correct
48	Correct	24 ms	58964 KB	Output is correct
49	Correct	25 ms	58936 KB	Output is correct
50	Correct	21 ms	57180 KB	Output is correct
51	Correct	21 ms	57144 KB	Output is correct
52	Correct	26 ms	63828 KB	Output is correct
53	Correct	19 ms	55788 KB	Output is correct
54	Correct	11 ms	51548 KB	Output is correct
55	Correct	12 ms	51548 KB	Output is correct
56	Correct	11 ms	51544 KB	Output is correct
57	Correct	11 ms	51548 KB	Output is correct
58	Correct	13 ms	53772 KB	Output is correct
59	Correct	11 ms	51548 KB	Output is correct
60	Correct	12 ms	53596 KB	Output is correct
61	Correct	12 ms	53596 KB	Output is correct
62	Correct	12 ms	53832 KB	Output is correct
63	Correct	12 ms	53760 KB	Output is correct
64	Correct	12 ms	53596 KB	Output is correct
65	Correct	13 ms	54048 KB	Output is correct
66	Correct	12 ms	51648 KB	Output is correct
67	Correct	12 ms	53852 KB	Output is correct
68	Correct	12 ms	51880 KB	Output is correct
69	Correct	13 ms	53860 KB	Output is correct
70	Correct	13 ms	52060 KB	Output is correct
71	Correct	12 ms	53852 KB	Output is correct
72	Correct	14 ms	53848 KB	Output is correct
73	Correct	13 ms	53852 KB	Output is correct
74	Correct	12 ms	53916 KB	Output is correct
75	Correct	13 ms	53852 KB	Output is correct
76	Correct	13 ms	53852 KB	Output is correct
77	Correct	12 ms	51892 KB	Output is correct
78	Correct	11 ms	51664 KB	Output is correct
79	Correct	21 ms	55748 KB	Output is correct
80	Correct	21 ms	55644 KB	Output is correct
81	Correct	23 ms	59484 KB	Output is correct
82	Correct	23 ms	58972 KB	Output is correct
83	Correct	24 ms	58964 KB	Output is correct
84	Correct	21 ms	57180 KB	Output is correct
85	Correct	21 ms	57180 KB	Output is correct
86	Correct	25 ms	63832 KB	Output is correct
87	Correct	19 ms	55784 KB	Output is correct
88	Correct	21 ms	53596 KB	Output is correct
89	Correct	22 ms	55900 KB	Output is correct
90	Correct	22 ms	53592 KB	Output is correct
91	Correct	23 ms	57532 KB	Output is correct
92	Correct	22 ms	55644 KB	Output is correct
93	Correct	24 ms	59228 KB	Output is correct
94	Correct	23 ms	57692 KB	Output is correct
95	Correct	25 ms	56408 KB	Output is correct
96	Correct	25 ms	62556 KB	Output is correct
97	Correct	25 ms	61504 KB	Output is correct
98	Correct	23 ms	60760 KB	Output is correct
99	Correct	11 ms	51548 KB	Output is correct
100	Correct	12 ms	51544 KB	Output is correct
101	Correct	11 ms	51544 KB	Output is correct
102	Correct	12 ms	51548 KB	Output is correct
103	Correct	12 ms	53596 KB	Output is correct
104	Correct	12 ms	51548 KB	Output is correct
105	Correct	12 ms	53596 KB	Output is correct
106	Correct	12 ms	53592 KB	Output is correct
107	Correct	12 ms	53596 KB	Output is correct
108	Correct	12 ms	53596 KB	Output is correct
109	Correct	12 ms	53592 KB	Output is correct
110	Correct	12 ms	51548 KB	Output is correct
111	Correct	83 ms	69804 KB	Output is correct
112	Correct	66 ms	65736 KB	Output is correct
113	Correct	67 ms	70608 KB	Output is correct
114	Correct	68 ms	72436 KB	Output is correct
115	Correct	75 ms	79544 KB	Output is correct
116	Correct	108 ms	126804 KB	Output is correct
117	Correct	75 ms	78236 KB	Output is correct
118	Correct	13 ms	53852 KB	Output is correct
119	Correct	12 ms	51804 KB	Output is correct
120	Correct	13 ms	53852 KB	Output is correct
121	Correct	12 ms	51804 KB	Output is correct
122	Correct	13 ms	53824 KB	Output is correct
123	Correct	12 ms	51808 KB	Output is correct
124	Correct	14 ms	53724 KB	Output is correct
125	Correct	12 ms	53848 KB	Output is correct
126	Correct	13 ms	53848 KB	Output is correct
127	Correct	12 ms	53848 KB	Output is correct
128	Correct	13 ms	53852 KB	Output is correct
129	Correct	12 ms	53852 KB	Output is correct
130	Correct	12 ms	51804 KB	Output is correct
131	Correct	12 ms	51548 KB	Output is correct
132	Correct	22 ms	55888 KB	Output is correct
133	Correct	21 ms	55636 KB	Output is correct
134	Correct	24 ms	59480 KB	Output is correct
135	Correct	24 ms	58972 KB	Output is correct
136	Correct	24 ms	59116 KB	Output is correct
137	Correct	21 ms	57180 KB	Output is correct
138	Correct	21 ms	57172 KB	Output is correct
139	Correct	25 ms	63836 KB	Output is correct
140	Correct	20 ms	55620 KB	Output is correct
141	Correct	23 ms	53480 KB	Output is correct
142	Correct	23 ms	55896 KB	Output is correct
143	Correct	22 ms	53596 KB	Output is correct
144	Correct	22 ms	57436 KB	Output is correct
145	Correct	21 ms	55644 KB	Output is correct
146	Correct	25 ms	59228 KB	Output is correct
147	Correct	23 ms	57692 KB	Output is correct
148	Correct	22 ms	56572 KB	Output is correct
149	Correct	26 ms	62556 KB	Output is correct
150	Correct	26 ms	61524 KB	Output is correct
151	Correct	26 ms	60764 KB	Output is correct
152	Correct	243 ms	112316 KB	Output is correct
153	Correct	242 ms	115384 KB	Output is correct
154	Correct	236 ms	109764 KB	Output is correct
155	Correct	270 ms	164516 KB	Output is correct
156	Correct	263 ms	126404 KB	Output is correct
157	Correct	263 ms	139684 KB	Output is correct
158	Correct	282 ms	158032 KB	Output is correct
159	Correct	370 ms	264624 KB	Output is correct
160	Correct	357 ms	239556 KB	Output is correct
161	Correct	271 ms	118600 KB	Output is correct
162	Correct	242 ms	122784 KB	Output is correct

답안 #935095

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 10.0 / 10.0

Subtask #3 20.0 / 20.0

Subtask #4 10.0 / 10.0

Subtask #5 25.0 / 25.0

Subtask #6 20.0 / 20.0

Subtask #1
15.0 / 15.0

Subtask #2
10.0 / 10.0

Subtask #3
20.0 / 20.0

Subtask #4
10.0 / 10.0

Subtask #5
25.0 / 25.0

Subtask #6
20.0 / 20.0