답안 #528387

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
528387	2022-02-20T08:33:52 Z	fatemetmhr	The short shank; Redemption (BOI21_prison)	C++17	100 / 100	1113 ms	246940 KB

prison

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int maxn5 = 2e6 + 10;
const int maxnt = 8e6 + 10;

#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define all(x)  x.begin(), x.end()

int n, ti = -1, st[maxn5], ft[maxn5], lazy[maxnt];
int h[maxn5], l[maxn5], ver[maxn5], ans = 0;
int per[maxn5], par[maxn5];
pair <int, int> mx[maxnt];
vector <int> adj[maxn5];
vector <pair<ll, int>> av;
set <pair<int, int>> seg;
bool mark[maxn5];

inline bool cmp(int i, int j){
	return i - l[i] < j - l[j];
}

inline void add(int l, int r, int lq, int rq, int v){
	if(rq <= l || r <= lq)
		return;
	if(lq <= l && r <= rq){
		lazy[v]--;
		mx[v].fi--;
		return;
	}
	int mid = (l + r) >> 1;
	add(l, mid, lq, rq, v * 2);
	add(mid, r, lq, rq, v * 2 + 1);
	mx[v] = max(mx[v * 2], mx[v * 2 + 1]);
	mx[v].fi += lazy[v];
	return;
}

inline void build(int l, int r, int v){
	if(r - l == 1){
		mx[v] = l > ti ? mp(-1, 0) : mp(h[ver[l]] + 1, ver[l]);
		return;
	}
	int mid = (l + r) >> 1;
	build(l, mid, v * 2);
	build(mid, r, v * 2 + 1);
	mx[v] = max(mx[v * 2], mx[v * 2 + 1]);
	return;
}

inline void upd(int v){
	ans++;
	mark[v] = true;
	add(0, n, st[v], ft[v] + 1, 1);
	if(par[v] != -1 && !mark[par[v]])
		upd(par[v]);
	return;
}

inline void dfs(int v){
	st[v] = ++ti;
	ver[ti] = v;
	for(auto u : adj[v]){
		h[u] = h[v] + 1;
		dfs(u);
	}
	ft[v] = ti;
	return;
}

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	
	int d; ll tim; cin >> n >> d >> tim;
	for(int i = 0; i < n; i++){
		ll t; cin >> t;
		while(av.size() && av.back().fi >= t - i)
			av.pop_back();
		av.pb({t - i, i});
		
		int p = upper_bound(all(av), mp(tim - i, maxn5)) - av.begin();
		p--;
		ans += (p == -1);
		if(p == -1 || av[p].se == i)
			l[i] = -maxn5;
		else
			l[i] = av[p].se;
		per[i] = i;
	}
	
	sort(per, per + n, cmp);
	memset(par, -1, sizeof par);
	
	for(int i = 0; i < n; i++) if(l[i] >= 0){
		auto it = seg.lower_bound(mp(l[i], -1));
		for(; it != seg.end() && (it ->se) <= i;){
			adj[i].pb(it->se);
			par[it->se] = i;
			auto itt = it;
			it++;
			seg.erase(itt);
		}
		seg.insert(mp(l[i], i));
	}
	
	for(int i = 0; i < n; i++) if(l[i] >= 0 && par[i] == -1)
		dfs(i);
	
	build(0, n, 1);
	
	for(int i = 0; i < d && mx[1].fi > 0; i++){
		int v = mx[1].se;
		upd(v);
	}
	cout << n - ans << endl;
}

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	29 ms	55116 KB	Output is correct
2	Correct	27 ms	55132 KB	Output is correct
3	Correct	26 ms	55088 KB	Output is correct
4	Correct	27 ms	55208 KB	Output is correct
5	Correct	26 ms	55116 KB	Output is correct
6	Correct	33 ms	55108 KB	Output is correct
7	Correct	33 ms	55128 KB	Output is correct
8	Correct	27 ms	55216 KB	Output is correct
9	Correct	34 ms	55088 KB	Output is correct
10	Correct	27 ms	55120 KB	Output is correct
11	Correct	29 ms	55116 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	30 ms	55176 KB	Output is correct
2	Correct	206 ms	83856 KB	Output is correct
3	Correct	197 ms	85756 KB	Output is correct
4	Correct	218 ms	90020 KB	Output is correct
5	Correct	254 ms	85868 KB	Output is correct
6	Correct	193 ms	85124 KB	Output is correct
7	Correct	333 ms	112224 KB	Output is correct
8	Correct	225 ms	88508 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	29 ms	55116 KB	Output is correct
2	Correct	27 ms	55132 KB	Output is correct
3	Correct	26 ms	55088 KB	Output is correct
4	Correct	27 ms	55208 KB	Output is correct
5	Correct	26 ms	55116 KB	Output is correct
6	Correct	33 ms	55108 KB	Output is correct
7	Correct	33 ms	55128 KB	Output is correct
8	Correct	27 ms	55216 KB	Output is correct
9	Correct	34 ms	55088 KB	Output is correct
10	Correct	27 ms	55120 KB	Output is correct
11	Correct	29 ms	55116 KB	Output is correct
12	Correct	36 ms	55132 KB	Output is correct
13	Correct	30 ms	55216 KB	Output is correct
14	Correct	31 ms	55152 KB	Output is correct
15	Correct	37 ms	55116 KB	Output is correct
16	Correct	29 ms	55112 KB	Output is correct
17	Correct	30 ms	55100 KB	Output is correct
18	Correct	40 ms	55092 KB	Output is correct
19	Correct	33 ms	55148 KB	Output is correct
20	Correct	30 ms	55264 KB	Output is correct
21	Correct	28 ms	55120 KB	Output is correct
22	Correct	30 ms	55156 KB	Output is correct
23	Correct	30 ms	55368 KB	Output is correct
24	Correct	34 ms	55440 KB	Output is correct
25	Correct	30 ms	55376 KB	Output is correct
26	Correct	34 ms	55352 KB	Output is correct
27	Correct	35 ms	55480 KB	Output is correct
28	Correct	36 ms	55428 KB	Output is correct
29	Correct	36 ms	55352 KB	Output is correct
30	Correct	33 ms	55368 KB	Output is correct
31	Correct	31 ms	55360 KB	Output is correct
32	Correct	30 ms	55368 KB	Output is correct
33	Correct	28 ms	55416 KB	Output is correct
34	Correct	44 ms	55368 KB	Output is correct
35	Correct	31 ms	55424 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	38 ms	55092 KB	Output is correct
2	Correct	64 ms	60816 KB	Output is correct
3	Correct	55 ms	61128 KB	Output is correct
4	Correct	60 ms	62476 KB	Output is correct
5	Correct	57 ms	63052 KB	Output is correct
6	Correct	78 ms	63152 KB	Output is correct
7	Correct	64 ms	60744 KB	Output is correct
8	Correct	57 ms	60232 KB	Output is correct
9	Correct	67 ms	64828 KB	Output is correct
10	Correct	49 ms	60612 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	29 ms	55116 KB	Output is correct
2	Correct	27 ms	55132 KB	Output is correct
3	Correct	26 ms	55088 KB	Output is correct
4	Correct	27 ms	55208 KB	Output is correct
5	Correct	26 ms	55116 KB	Output is correct
6	Correct	33 ms	55108 KB	Output is correct
7	Correct	33 ms	55128 KB	Output is correct
8	Correct	27 ms	55216 KB	Output is correct
9	Correct	34 ms	55088 KB	Output is correct
10	Correct	27 ms	55120 KB	Output is correct
11	Correct	29 ms	55116 KB	Output is correct
12	Correct	36 ms	55132 KB	Output is correct
13	Correct	30 ms	55216 KB	Output is correct
14	Correct	31 ms	55152 KB	Output is correct
15	Correct	37 ms	55116 KB	Output is correct
16	Correct	29 ms	55112 KB	Output is correct
17	Correct	30 ms	55100 KB	Output is correct
18	Correct	40 ms	55092 KB	Output is correct
19	Correct	33 ms	55148 KB	Output is correct
20	Correct	30 ms	55264 KB	Output is correct
21	Correct	28 ms	55120 KB	Output is correct
22	Correct	30 ms	55156 KB	Output is correct
23	Correct	30 ms	55368 KB	Output is correct
24	Correct	34 ms	55440 KB	Output is correct
25	Correct	30 ms	55376 KB	Output is correct
26	Correct	34 ms	55352 KB	Output is correct
27	Correct	35 ms	55480 KB	Output is correct
28	Correct	36 ms	55428 KB	Output is correct
29	Correct	36 ms	55352 KB	Output is correct
30	Correct	33 ms	55368 KB	Output is correct
31	Correct	31 ms	55360 KB	Output is correct
32	Correct	30 ms	55368 KB	Output is correct
33	Correct	28 ms	55416 KB	Output is correct
34	Correct	44 ms	55368 KB	Output is correct
35	Correct	31 ms	55424 KB	Output is correct
36	Correct	38 ms	55092 KB	Output is correct
37	Correct	64 ms	60816 KB	Output is correct
38	Correct	55 ms	61128 KB	Output is correct
39	Correct	60 ms	62476 KB	Output is correct
40	Correct	57 ms	63052 KB	Output is correct
41	Correct	78 ms	63152 KB	Output is correct
42	Correct	64 ms	60744 KB	Output is correct
43	Correct	57 ms	60232 KB	Output is correct
44	Correct	67 ms	64828 KB	Output is correct
45	Correct	49 ms	60612 KB	Output is correct
46	Correct	28 ms	55096 KB	Output is correct
47	Correct	30 ms	55120 KB	Output is correct
48	Correct	29 ms	55120 KB	Output is correct
49	Correct	30 ms	55140 KB	Output is correct
50	Correct	31 ms	55148 KB	Output is correct
51	Correct	29 ms	55120 KB	Output is correct
52	Correct	28 ms	55120 KB	Output is correct
53	Correct	28 ms	55120 KB	Output is correct
54	Correct	29 ms	55184 KB	Output is correct
55	Correct	28 ms	55120 KB	Output is correct
56	Correct	29 ms	55224 KB	Output is correct
57	Correct	36 ms	55388 KB	Output is correct
58	Correct	31 ms	55376 KB	Output is correct
59	Correct	32 ms	55420 KB	Output is correct
60	Correct	30 ms	55364 KB	Output is correct
61	Correct	31 ms	55396 KB	Output is correct
62	Correct	29 ms	55420 KB	Output is correct
63	Correct	30 ms	55368 KB	Output is correct
64	Correct	35 ms	55372 KB	Output is correct
65	Correct	31 ms	55436 KB	Output is correct
66	Correct	31 ms	55412 KB	Output is correct
67	Correct	29 ms	55352 KB	Output is correct
68	Correct	30 ms	55452 KB	Output is correct
69	Correct	30 ms	55436 KB	Output is correct
70	Correct	28 ms	55056 KB	Output is correct
71	Correct	68 ms	61480 KB	Output is correct
72	Correct	56 ms	61200 KB	Output is correct
73	Correct	70 ms	62464 KB	Output is correct
74	Correct	56 ms	62972 KB	Output is correct
75	Correct	65 ms	63340 KB	Output is correct
76	Correct	49 ms	60744 KB	Output is correct
77	Correct	47 ms	60204 KB	Output is correct
78	Correct	79 ms	64824 KB	Output is correct
79	Correct	49 ms	60588 KB	Output is correct
80	Correct	55 ms	61564 KB	Output is correct
81	Correct	60 ms	61972 KB	Output is correct
82	Correct	58 ms	61524 KB	Output is correct
83	Correct	76 ms	62008 KB	Output is correct
84	Correct	61 ms	61244 KB	Output is correct
85	Correct	63 ms	63512 KB	Output is correct
86	Correct	60 ms	61616 KB	Output is correct
87	Correct	53 ms	60648 KB	Output is correct
88	Correct	63 ms	63812 KB	Output is correct
89	Correct	66 ms	64584 KB	Output is correct
90	Correct	59 ms	63304 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	29 ms	55116 KB	Output is correct
2	Correct	27 ms	55132 KB	Output is correct
3	Correct	26 ms	55088 KB	Output is correct
4	Correct	27 ms	55208 KB	Output is correct
5	Correct	26 ms	55116 KB	Output is correct
6	Correct	33 ms	55108 KB	Output is correct
7	Correct	33 ms	55128 KB	Output is correct
8	Correct	27 ms	55216 KB	Output is correct
9	Correct	34 ms	55088 KB	Output is correct
10	Correct	27 ms	55120 KB	Output is correct
11	Correct	29 ms	55116 KB	Output is correct
12	Correct	30 ms	55176 KB	Output is correct
13	Correct	206 ms	83856 KB	Output is correct
14	Correct	197 ms	85756 KB	Output is correct
15	Correct	218 ms	90020 KB	Output is correct
16	Correct	254 ms	85868 KB	Output is correct
17	Correct	193 ms	85124 KB	Output is correct
18	Correct	333 ms	112224 KB	Output is correct
19	Correct	225 ms	88508 KB	Output is correct
20	Correct	36 ms	55132 KB	Output is correct
21	Correct	30 ms	55216 KB	Output is correct
22	Correct	31 ms	55152 KB	Output is correct
23	Correct	37 ms	55116 KB	Output is correct
24	Correct	29 ms	55112 KB	Output is correct
25	Correct	30 ms	55100 KB	Output is correct
26	Correct	40 ms	55092 KB	Output is correct
27	Correct	33 ms	55148 KB	Output is correct
28	Correct	30 ms	55264 KB	Output is correct
29	Correct	28 ms	55120 KB	Output is correct
30	Correct	30 ms	55156 KB	Output is correct
31	Correct	30 ms	55368 KB	Output is correct
32	Correct	34 ms	55440 KB	Output is correct
33	Correct	30 ms	55376 KB	Output is correct
34	Correct	34 ms	55352 KB	Output is correct
35	Correct	35 ms	55480 KB	Output is correct
36	Correct	36 ms	55428 KB	Output is correct
37	Correct	36 ms	55352 KB	Output is correct
38	Correct	33 ms	55368 KB	Output is correct
39	Correct	31 ms	55360 KB	Output is correct
40	Correct	30 ms	55368 KB	Output is correct
41	Correct	28 ms	55416 KB	Output is correct
42	Correct	44 ms	55368 KB	Output is correct
43	Correct	31 ms	55424 KB	Output is correct
44	Correct	38 ms	55092 KB	Output is correct
45	Correct	64 ms	60816 KB	Output is correct
46	Correct	55 ms	61128 KB	Output is correct
47	Correct	60 ms	62476 KB	Output is correct
48	Correct	57 ms	63052 KB	Output is correct
49	Correct	78 ms	63152 KB	Output is correct
50	Correct	64 ms	60744 KB	Output is correct
51	Correct	57 ms	60232 KB	Output is correct
52	Correct	67 ms	64828 KB	Output is correct
53	Correct	49 ms	60612 KB	Output is correct
54	Correct	28 ms	55096 KB	Output is correct
55	Correct	30 ms	55120 KB	Output is correct
56	Correct	29 ms	55120 KB	Output is correct
57	Correct	30 ms	55140 KB	Output is correct
58	Correct	31 ms	55148 KB	Output is correct
59	Correct	29 ms	55120 KB	Output is correct
60	Correct	28 ms	55120 KB	Output is correct
61	Correct	28 ms	55120 KB	Output is correct
62	Correct	29 ms	55184 KB	Output is correct
63	Correct	28 ms	55120 KB	Output is correct
64	Correct	29 ms	55224 KB	Output is correct
65	Correct	36 ms	55388 KB	Output is correct
66	Correct	31 ms	55376 KB	Output is correct
67	Correct	32 ms	55420 KB	Output is correct
68	Correct	30 ms	55364 KB	Output is correct
69	Correct	31 ms	55396 KB	Output is correct
70	Correct	29 ms	55420 KB	Output is correct
71	Correct	30 ms	55368 KB	Output is correct
72	Correct	35 ms	55372 KB	Output is correct
73	Correct	31 ms	55436 KB	Output is correct
74	Correct	31 ms	55412 KB	Output is correct
75	Correct	29 ms	55352 KB	Output is correct
76	Correct	30 ms	55452 KB	Output is correct
77	Correct	30 ms	55436 KB	Output is correct
78	Correct	28 ms	55056 KB	Output is correct
79	Correct	68 ms	61480 KB	Output is correct
80	Correct	56 ms	61200 KB	Output is correct
81	Correct	70 ms	62464 KB	Output is correct
82	Correct	56 ms	62972 KB	Output is correct
83	Correct	65 ms	63340 KB	Output is correct
84	Correct	49 ms	60744 KB	Output is correct
85	Correct	47 ms	60204 KB	Output is correct
86	Correct	79 ms	64824 KB	Output is correct
87	Correct	49 ms	60588 KB	Output is correct
88	Correct	55 ms	61564 KB	Output is correct
89	Correct	60 ms	61972 KB	Output is correct
90	Correct	58 ms	61524 KB	Output is correct
91	Correct	76 ms	62008 KB	Output is correct
92	Correct	61 ms	61244 KB	Output is correct
93	Correct	63 ms	63512 KB	Output is correct
94	Correct	60 ms	61616 KB	Output is correct
95	Correct	53 ms	60648 KB	Output is correct
96	Correct	63 ms	63812 KB	Output is correct
97	Correct	66 ms	64584 KB	Output is correct
98	Correct	59 ms	63304 KB	Output is correct
99	Correct	35 ms	55160 KB	Output is correct
100	Correct	29 ms	55172 KB	Output is correct
101	Correct	38 ms	55152 KB	Output is correct
102	Correct	28 ms	55100 KB	Output is correct
103	Correct	29 ms	55120 KB	Output is correct
104	Correct	27 ms	55148 KB	Output is correct
105	Correct	28 ms	55084 KB	Output is correct
106	Correct	28 ms	55132 KB	Output is correct
107	Correct	29 ms	55180 KB	Output is correct
108	Correct	31 ms	55084 KB	Output is correct
109	Correct	31 ms	55120 KB	Output is correct
110	Correct	28 ms	55156 KB	Output is correct
111	Correct	200 ms	88752 KB	Output is correct
112	Correct	195 ms	85704 KB	Output is correct
113	Correct	212 ms	90084 KB	Output is correct
114	Correct	245 ms	85832 KB	Output is correct
115	Correct	177 ms	85040 KB	Output is correct
116	Correct	363 ms	112200 KB	Output is correct
117	Correct	211 ms	88540 KB	Output is correct
118	Correct	27 ms	55424 KB	Output is correct
119	Correct	27 ms	55408 KB	Output is correct
120	Correct	27 ms	55376 KB	Output is correct
121	Correct	27 ms	55376 KB	Output is correct
122	Correct	27 ms	55376 KB	Output is correct
123	Correct	29 ms	55456 KB	Output is correct
124	Correct	35 ms	55376 KB	Output is correct
125	Correct	33 ms	55424 KB	Output is correct
126	Correct	26 ms	55364 KB	Output is correct
127	Correct	26 ms	55332 KB	Output is correct
128	Correct	30 ms	55380 KB	Output is correct
129	Correct	33 ms	55388 KB	Output is correct
130	Correct	33 ms	55388 KB	Output is correct
131	Correct	28 ms	55120 KB	Output is correct
132	Correct	56 ms	61592 KB	Output is correct
133	Correct	62 ms	61136 KB	Output is correct
134	Correct	70 ms	62492 KB	Output is correct
135	Correct	66 ms	63088 KB	Output is correct
136	Correct	68 ms	63200 KB	Output is correct
137	Correct	48 ms	60692 KB	Output is correct
138	Correct	61 ms	60180 KB	Output is correct
139	Correct	74 ms	64792 KB	Output is correct
140	Correct	49 ms	60612 KB	Output is correct
141	Correct	54 ms	61524 KB	Output is correct
142	Correct	57 ms	61988 KB	Output is correct
143	Correct	64 ms	61640 KB	Output is correct
144	Correct	65 ms	62020 KB	Output is correct
145	Correct	58 ms	61192 KB	Output is correct
146	Correct	64 ms	63616 KB	Output is correct
147	Correct	57 ms	61640 KB	Output is correct
148	Correct	57 ms	60620 KB	Output is correct
149	Correct	64 ms	63800 KB	Output is correct
150	Correct	67 ms	64532 KB	Output is correct
151	Correct	61 ms	63300 KB	Output is correct
152	Correct	776 ms	198664 KB	Output is correct
153	Correct	840 ms	202124 KB	Output is correct
154	Correct	740 ms	195012 KB	Output is correct
155	Correct	960 ms	206548 KB	Output is correct
156	Correct	906 ms	190460 KB	Output is correct
157	Correct	613 ms	166216 KB	Output is correct
158	Correct	751 ms	193648 KB	Output is correct
159	Correct	1113 ms	246940 KB	Output is correct
160	Correct	1068 ms	235972 KB	Output is correct
161	Correct	715 ms	170168 KB	Output is correct
162	Correct	649 ms	164252 KB	Output is correct

답안 #528387

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