Submission #411516

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
411516	2021-05-25T12:55:14 Z	송준혁(#7512)	The short shank; Redemption (BOI21_prison)	C++17	100 / 100	682 ms	310876 KB

prison

#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define lb lower_bound
#define MOD 1000000007
#define INF (1ll<<62)
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;

int N, M, K, T, sum;
vector<int> adj[2020202];
vector<pii> S, A;
priority_queue<int> PQ[2020202];

void f(int u){
	for (int v : adj[u]){
		f(v);
		if (PQ[v].size() > PQ[u].size()) swap(PQ[u], PQ[v]);
		while (PQ[v].size()) PQ[u].push(PQ[v].top()), PQ[v].pop();
	}
	int r = 0;
	if (PQ[u].size()) r = PQ[u].top(), PQ[u].pop();
	PQ[u].push(r+1);
}

int main(){
	int a;
	scanf("%d %d %d", &N, &K, &T);
	for (int i=1; i<=N; i++){
		scanf("%d", &a);
		if (T<a){
			while (S.size() && S.back().fi < i) S.pop_back();
			if (S.size()){
				while (A.size() && S.back().se <= A.back().fi){
					adj[i].pb(A.back().se);
					A.pop_back();
				}
				A.pb(pii(S.back().se, i));
			}
			else sum++;
		}
		else S.pb(pii(i+T-a, i));
	}
	while (A.size()) adj[0].pb(A.back().se), A.pop_back();
	f(0);
	while (K-- && PQ[0].size()) N -= PQ[0].top(), PQ[0].pop();
	printf("%d\n", N-sum+1);
	return 0;
}

Compilation message

prison.cpp: In function 'int main()':
prison.cpp:30:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |  scanf("%d %d %d", &N, &K, &T);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
prison.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |   scanf("%d", &a);
      |   ~~~~~^~~~~~~~~~

Subtask #1

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	64 ms	110916 KB	Output is correct
2	Correct	69 ms	110880 KB	Output is correct
3	Correct	64 ms	110916 KB	Output is correct
4	Correct	64 ms	110876 KB	Output is correct
5	Correct	74 ms	110916 KB	Output is correct
6	Correct	67 ms	110996 KB	Output is correct
7	Correct	65 ms	110988 KB	Output is correct
8	Correct	65 ms	110864 KB	Output is correct
9	Correct	65 ms	110924 KB	Output is correct
10	Correct	64 ms	110988 KB	Output is correct
11	Correct	63 ms	110980 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	71 ms	110968 KB	Output is correct
2	Correct	174 ms	122640 KB	Output is correct
3	Correct	168 ms	120680 KB	Output is correct
4	Correct	178 ms	125448 KB	Output is correct
5	Correct	170 ms	122192 KB	Output is correct
6	Correct	170 ms	123744 KB	Output is correct
7	Correct	234 ms	173524 KB	Output is correct
8	Correct	196 ms	125764 KB	Output is correct

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	64 ms	110916 KB	Output is correct
2	Correct	69 ms	110880 KB	Output is correct
3	Correct	64 ms	110916 KB	Output is correct
4	Correct	64 ms	110876 KB	Output is correct
5	Correct	74 ms	110916 KB	Output is correct
6	Correct	67 ms	110996 KB	Output is correct
7	Correct	65 ms	110988 KB	Output is correct
8	Correct	65 ms	110864 KB	Output is correct
9	Correct	65 ms	110924 KB	Output is correct
10	Correct	64 ms	110988 KB	Output is correct
11	Correct	63 ms	110980 KB	Output is correct
12	Correct	65 ms	110924 KB	Output is correct
13	Correct	67 ms	110980 KB	Output is correct
14	Correct	65 ms	110976 KB	Output is correct
15	Correct	65 ms	110912 KB	Output is correct
16	Correct	65 ms	110948 KB	Output is correct
17	Correct	65 ms	110884 KB	Output is correct
18	Correct	67 ms	110932 KB	Output is correct
19	Correct	72 ms	110872 KB	Output is correct
20	Correct	64 ms	110968 KB	Output is correct
21	Correct	64 ms	110928 KB	Output is correct
22	Correct	73 ms	110976 KB	Output is correct
23	Correct	68 ms	111060 KB	Output is correct
24	Correct	66 ms	111044 KB	Output is correct
25	Correct	64 ms	111172 KB	Output is correct
26	Correct	66 ms	111036 KB	Output is correct
27	Correct	64 ms	111084 KB	Output is correct
28	Correct	65 ms	110996 KB	Output is correct
29	Correct	65 ms	110992 KB	Output is correct
30	Correct	68 ms	111044 KB	Output is correct
31	Correct	64 ms	111020 KB	Output is correct
32	Correct	66 ms	110988 KB	Output is correct
33	Correct	66 ms	111040 KB	Output is correct
34	Correct	65 ms	111056 KB	Output is correct
35	Correct	64 ms	111040 KB	Output is correct

Subtask #4

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	64 ms	110924 KB	Output is correct
2	Correct	91 ms	112932 KB	Output is correct
3	Correct	81 ms	112712 KB	Output is correct
4	Correct	89 ms	115980 KB	Output is correct
5	Correct	91 ms	117412 KB	Output is correct
6	Correct	86 ms	117480 KB	Output is correct
7	Correct	81 ms	112836 KB	Output is correct
8	Correct	81 ms	112676 KB	Output is correct
9	Correct	85 ms	120260 KB	Output is correct
10	Correct	81 ms	112704 KB	Output is correct

Subtask #5

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	64 ms	110916 KB	Output is correct
2	Correct	69 ms	110880 KB	Output is correct
3	Correct	64 ms	110916 KB	Output is correct
4	Correct	64 ms	110876 KB	Output is correct
5	Correct	74 ms	110916 KB	Output is correct
6	Correct	67 ms	110996 KB	Output is correct
7	Correct	65 ms	110988 KB	Output is correct
8	Correct	65 ms	110864 KB	Output is correct
9	Correct	65 ms	110924 KB	Output is correct
10	Correct	64 ms	110988 KB	Output is correct
11	Correct	63 ms	110980 KB	Output is correct
12	Correct	65 ms	110924 KB	Output is correct
13	Correct	67 ms	110980 KB	Output is correct
14	Correct	65 ms	110976 KB	Output is correct
15	Correct	65 ms	110912 KB	Output is correct
16	Correct	65 ms	110948 KB	Output is correct
17	Correct	65 ms	110884 KB	Output is correct
18	Correct	67 ms	110932 KB	Output is correct
19	Correct	72 ms	110872 KB	Output is correct
20	Correct	64 ms	110968 KB	Output is correct
21	Correct	64 ms	110928 KB	Output is correct
22	Correct	73 ms	110976 KB	Output is correct
23	Correct	68 ms	111060 KB	Output is correct
24	Correct	66 ms	111044 KB	Output is correct
25	Correct	64 ms	111172 KB	Output is correct
26	Correct	66 ms	111036 KB	Output is correct
27	Correct	64 ms	111084 KB	Output is correct
28	Correct	65 ms	110996 KB	Output is correct
29	Correct	65 ms	110992 KB	Output is correct
30	Correct	68 ms	111044 KB	Output is correct
31	Correct	64 ms	111020 KB	Output is correct
32	Correct	66 ms	110988 KB	Output is correct
33	Correct	66 ms	111040 KB	Output is correct
34	Correct	65 ms	111056 KB	Output is correct
35	Correct	64 ms	111040 KB	Output is correct
36	Correct	64 ms	110924 KB	Output is correct
37	Correct	91 ms	112932 KB	Output is correct
38	Correct	81 ms	112712 KB	Output is correct
39	Correct	89 ms	115980 KB	Output is correct
40	Correct	91 ms	117412 KB	Output is correct
41	Correct	86 ms	117480 KB	Output is correct
42	Correct	81 ms	112836 KB	Output is correct
43	Correct	81 ms	112676 KB	Output is correct
44	Correct	85 ms	120260 KB	Output is correct
45	Correct	81 ms	112704 KB	Output is correct
46	Correct	68 ms	110936 KB	Output is correct
47	Correct	70 ms	110868 KB	Output is correct
48	Correct	66 ms	110980 KB	Output is correct
49	Correct	65 ms	110932 KB	Output is correct
50	Correct	64 ms	110916 KB	Output is correct
51	Correct	64 ms	110912 KB	Output is correct
52	Correct	64 ms	110864 KB	Output is correct
53	Correct	66 ms	110936 KB	Output is correct
54	Correct	64 ms	110936 KB	Output is correct
55	Correct	65 ms	110860 KB	Output is correct
56	Correct	64 ms	110980 KB	Output is correct
57	Correct	65 ms	111044 KB	Output is correct
58	Correct	65 ms	111048 KB	Output is correct
59	Correct	66 ms	110976 KB	Output is correct
60	Correct	70 ms	110984 KB	Output is correct
61	Correct	75 ms	111048 KB	Output is correct
62	Correct	64 ms	110988 KB	Output is correct
63	Correct	69 ms	111048 KB	Output is correct
64	Correct	68 ms	111044 KB	Output is correct
65	Correct	65 ms	111084 KB	Output is correct
66	Correct	65 ms	111012 KB	Output is correct
67	Correct	65 ms	111016 KB	Output is correct
68	Correct	67 ms	110996 KB	Output is correct
69	Correct	67 ms	111184 KB	Output is correct
70	Correct	69 ms	110884 KB	Output is correct
71	Correct	82 ms	112956 KB	Output is correct
72	Correct	84 ms	112692 KB	Output is correct
73	Correct	85 ms	116008 KB	Output is correct
74	Correct	86 ms	117440 KB	Output is correct
75	Correct	87 ms	117568 KB	Output is correct
76	Correct	79 ms	112928 KB	Output is correct
77	Correct	79 ms	112708 KB	Output is correct
78	Correct	85 ms	120328 KB	Output is correct
79	Correct	81 ms	112588 KB	Output is correct
80	Correct	92 ms	112736 KB	Output is correct
81	Correct	83 ms	112960 KB	Output is correct
82	Correct	82 ms	112712 KB	Output is correct
83	Correct	85 ms	114096 KB	Output is correct
84	Correct	81 ms	112532 KB	Output is correct
85	Correct	88 ms	117700 KB	Output is correct
86	Correct	84 ms	114040 KB	Output is correct
87	Correct	81 ms	112320 KB	Output is correct
88	Correct	89 ms	118516 KB	Output is correct
89	Correct	85 ms	119880 KB	Output is correct
90	Correct	85 ms	117592 KB	Output is correct

Subtask #6

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	64 ms	110916 KB	Output is correct
2	Correct	69 ms	110880 KB	Output is correct
3	Correct	64 ms	110916 KB	Output is correct
4	Correct	64 ms	110876 KB	Output is correct
5	Correct	74 ms	110916 KB	Output is correct
6	Correct	67 ms	110996 KB	Output is correct
7	Correct	65 ms	110988 KB	Output is correct
8	Correct	65 ms	110864 KB	Output is correct
9	Correct	65 ms	110924 KB	Output is correct
10	Correct	64 ms	110988 KB	Output is correct
11	Correct	63 ms	110980 KB	Output is correct
12	Correct	71 ms	110968 KB	Output is correct
13	Correct	174 ms	122640 KB	Output is correct
14	Correct	168 ms	120680 KB	Output is correct
15	Correct	178 ms	125448 KB	Output is correct
16	Correct	170 ms	122192 KB	Output is correct
17	Correct	170 ms	123744 KB	Output is correct
18	Correct	234 ms	173524 KB	Output is correct
19	Correct	196 ms	125764 KB	Output is correct
20	Correct	65 ms	110924 KB	Output is correct
21	Correct	67 ms	110980 KB	Output is correct
22	Correct	65 ms	110976 KB	Output is correct
23	Correct	65 ms	110912 KB	Output is correct
24	Correct	65 ms	110948 KB	Output is correct
25	Correct	65 ms	110884 KB	Output is correct
26	Correct	67 ms	110932 KB	Output is correct
27	Correct	72 ms	110872 KB	Output is correct
28	Correct	64 ms	110968 KB	Output is correct
29	Correct	64 ms	110928 KB	Output is correct
30	Correct	73 ms	110976 KB	Output is correct
31	Correct	68 ms	111060 KB	Output is correct
32	Correct	66 ms	111044 KB	Output is correct
33	Correct	64 ms	111172 KB	Output is correct
34	Correct	66 ms	111036 KB	Output is correct
35	Correct	64 ms	111084 KB	Output is correct
36	Correct	65 ms	110996 KB	Output is correct
37	Correct	65 ms	110992 KB	Output is correct
38	Correct	68 ms	111044 KB	Output is correct
39	Correct	64 ms	111020 KB	Output is correct
40	Correct	66 ms	110988 KB	Output is correct
41	Correct	66 ms	111040 KB	Output is correct
42	Correct	65 ms	111056 KB	Output is correct
43	Correct	64 ms	111040 KB	Output is correct
44	Correct	64 ms	110924 KB	Output is correct
45	Correct	91 ms	112932 KB	Output is correct
46	Correct	81 ms	112712 KB	Output is correct
47	Correct	89 ms	115980 KB	Output is correct
48	Correct	91 ms	117412 KB	Output is correct
49	Correct	86 ms	117480 KB	Output is correct
50	Correct	81 ms	112836 KB	Output is correct
51	Correct	81 ms	112676 KB	Output is correct
52	Correct	85 ms	120260 KB	Output is correct
53	Correct	81 ms	112704 KB	Output is correct
54	Correct	68 ms	110936 KB	Output is correct
55	Correct	70 ms	110868 KB	Output is correct
56	Correct	66 ms	110980 KB	Output is correct
57	Correct	65 ms	110932 KB	Output is correct
58	Correct	64 ms	110916 KB	Output is correct
59	Correct	64 ms	110912 KB	Output is correct
60	Correct	64 ms	110864 KB	Output is correct
61	Correct	66 ms	110936 KB	Output is correct
62	Correct	64 ms	110936 KB	Output is correct
63	Correct	65 ms	110860 KB	Output is correct
64	Correct	64 ms	110980 KB	Output is correct
65	Correct	65 ms	111044 KB	Output is correct
66	Correct	65 ms	111048 KB	Output is correct
67	Correct	66 ms	110976 KB	Output is correct
68	Correct	70 ms	110984 KB	Output is correct
69	Correct	75 ms	111048 KB	Output is correct
70	Correct	64 ms	110988 KB	Output is correct
71	Correct	69 ms	111048 KB	Output is correct
72	Correct	68 ms	111044 KB	Output is correct
73	Correct	65 ms	111084 KB	Output is correct
74	Correct	65 ms	111012 KB	Output is correct
75	Correct	65 ms	111016 KB	Output is correct
76	Correct	67 ms	110996 KB	Output is correct
77	Correct	67 ms	111184 KB	Output is correct
78	Correct	69 ms	110884 KB	Output is correct
79	Correct	82 ms	112956 KB	Output is correct
80	Correct	84 ms	112692 KB	Output is correct
81	Correct	85 ms	116008 KB	Output is correct
82	Correct	86 ms	117440 KB	Output is correct
83	Correct	87 ms	117568 KB	Output is correct
84	Correct	79 ms	112928 KB	Output is correct
85	Correct	79 ms	112708 KB	Output is correct
86	Correct	85 ms	120328 KB	Output is correct
87	Correct	81 ms	112588 KB	Output is correct
88	Correct	92 ms	112736 KB	Output is correct
89	Correct	83 ms	112960 KB	Output is correct
90	Correct	82 ms	112712 KB	Output is correct
91	Correct	85 ms	114096 KB	Output is correct
92	Correct	81 ms	112532 KB	Output is correct
93	Correct	88 ms	117700 KB	Output is correct
94	Correct	84 ms	114040 KB	Output is correct
95	Correct	81 ms	112320 KB	Output is correct
96	Correct	89 ms	118516 KB	Output is correct
97	Correct	85 ms	119880 KB	Output is correct
98	Correct	85 ms	117592 KB	Output is correct
99	Correct	64 ms	110844 KB	Output is correct
100	Correct	65 ms	110984 KB	Output is correct
101	Correct	66 ms	111000 KB	Output is correct
102	Correct	67 ms	110928 KB	Output is correct
103	Correct	67 ms	110916 KB	Output is correct
104	Correct	68 ms	110904 KB	Output is correct
105	Correct	65 ms	110872 KB	Output is correct
106	Correct	64 ms	110928 KB	Output is correct
107	Correct	66 ms	110984 KB	Output is correct
108	Correct	66 ms	110980 KB	Output is correct
109	Correct	66 ms	110940 KB	Output is correct
110	Correct	65 ms	110968 KB	Output is correct
111	Correct	179 ms	122720 KB	Output is correct
112	Correct	169 ms	120568 KB	Output is correct
113	Correct	174 ms	125656 KB	Output is correct
114	Correct	184 ms	122204 KB	Output is correct
115	Correct	177 ms	123844 KB	Output is correct
116	Correct	211 ms	173360 KB	Output is correct
117	Correct	185 ms	125752 KB	Output is correct
118	Correct	67 ms	111020 KB	Output is correct
119	Correct	65 ms	110944 KB	Output is correct
120	Correct	65 ms	111044 KB	Output is correct
121	Correct	65 ms	111004 KB	Output is correct
122	Correct	66 ms	111000 KB	Output is correct
123	Correct	65 ms	110956 KB	Output is correct
124	Correct	65 ms	111044 KB	Output is correct
125	Correct	67 ms	111044 KB	Output is correct
126	Correct	68 ms	111016 KB	Output is correct
127	Correct	68 ms	111060 KB	Output is correct
128	Correct	65 ms	111044 KB	Output is correct
129	Correct	65 ms	111068 KB	Output is correct
130	Correct	70 ms	111124 KB	Output is correct
131	Correct	65 ms	110964 KB	Output is correct
132	Correct	88 ms	112932 KB	Output is correct
133	Correct	82 ms	112744 KB	Output is correct
134	Correct	95 ms	116032 KB	Output is correct
135	Correct	85 ms	117440 KB	Output is correct
136	Correct	97 ms	117512 KB	Output is correct
137	Correct	81 ms	112828 KB	Output is correct
138	Correct	83 ms	112616 KB	Output is correct
139	Correct	85 ms	120256 KB	Output is correct
140	Correct	77 ms	112652 KB	Output is correct
141	Correct	81 ms	112680 KB	Output is correct
142	Correct	91 ms	112980 KB	Output is correct
143	Correct	86 ms	112660 KB	Output is correct
144	Correct	87 ms	114116 KB	Output is correct
145	Correct	81 ms	112532 KB	Output is correct
146	Correct	90 ms	117736 KB	Output is correct
147	Correct	83 ms	114240 KB	Output is correct
148	Correct	78 ms	112264 KB	Output is correct
149	Correct	88 ms	118476 KB	Output is correct
150	Correct	86 ms	119940 KB	Output is correct
151	Correct	83 ms	117520 KB	Output is correct
152	Correct	508 ms	158000 KB	Output is correct
153	Correct	587 ms	179488 KB	Output is correct
154	Correct	536 ms	175440 KB	Output is correct
155	Correct	596 ms	211484 KB	Output is correct
156	Correct	491 ms	163212 KB	Output is correct
157	Correct	503 ms	154236 KB	Output is correct
158	Correct	518 ms	190312 KB	Output is correct
159	Correct	680 ms	310876 KB	Output is correct
160	Correct	682 ms	293260 KB	Output is correct
161	Correct	542 ms	164824 KB	Output is correct
162	Correct	503 ms	166168 KB	Output is correct