답안 #726957

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
726957	2023-04-19T16:53:22 Z	gagik_2007	The short shank; Redemption (BOI21_prison)	C++17	55 / 100	2000 ms	21816 KB

prison

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cmath>
#include <chrono>
#include <ctime>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <limits>
#include <iomanip>
#include <unordered_set>
#include <unordered_map>
#include <fstream>
#include <functional>
#include <random>
#include <cassert>
using namespace std;

typedef long long ll;
typedef long double ld;

#define ff first
#define ss second

ll ttt;
const ll INF = 1e18;
const ll MOD = 1e9 + 7;
const ll N = 500007;
ll n, m, k;
ll a[N];
ll dp1[N], dp2[N];
ll rs[N];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> n >> m >> k;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
		if (a[i] <= k)rs[i] = max(ll(i), min(n, i + (k - a[i])));
		else rs[i] = 0;
	}
	int j = 1;
	for (int _ = 0; _ < m; _++) {
		ll cur = 0;
		j = 1;
		for (int i = 1; i <= n; i++) {
			cur = max(cur, rs[i]);
			dp1[i] = dp1[i - 1] + (cur >= i);
		}
		stack<int>st;
		for (int i = n; i >= 1; i--) {
			dp2[i] = dp2[i + 1];
			st.push(i);
			while (!st.empty() && st.top() <= rs[i]) {
				dp2[i]++;
				st.pop();
			}
		}
		int mx = MOD;
		for (int i = 1; i <= n; i++) {
			if (dp1[i - 1] + dp2[i] < mx) {
				mx = dp1[i - 1] + dp2[i];
				j = i;
			}
			//cout << dp1[i - 1] + dp2[i] << " ";
		}
		for (int i = 1; i < j; i++) {
			rs[i] = min(rs[i], ll(j - 1));
		}
	}
	cout << dp1[j - 1] + dp2[j] << endl;
}

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	312 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	66 ms	20764 KB	Output is correct
3	Correct	63 ms	20684 KB	Output is correct
4	Correct	53 ms	19444 KB	Output is correct
5	Correct	42 ms	17840 KB	Output is correct
6	Correct	55 ms	20496 KB	Output is correct
7	Correct	57 ms	21816 KB	Output is correct
8	Correct	55 ms	20488 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	312 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	6 ms	468 KB	Output is correct
24	Correct	11 ms	524 KB	Output is correct
25	Correct	16 ms	468 KB	Output is correct
26	Correct	21 ms	504 KB	Output is correct
27	Correct	26 ms	528 KB	Output is correct
28	Correct	5 ms	468 KB	Output is correct
29	Correct	5 ms	468 KB	Output is correct
30	Correct	6 ms	468 KB	Output is correct
31	Correct	12 ms	512 KB	Output is correct
32	Correct	5 ms	468 KB	Output is correct
33	Correct	6 ms	468 KB	Output is correct
34	Correct	4 ms	468 KB	Output is correct
35	Correct	23 ms	384 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	26 ms	3428 KB	Output is correct
3	Correct	26 ms	3432 KB	Output is correct
4	Correct	18 ms	3320 KB	Output is correct
5	Correct	19 ms	3676 KB	Output is correct
6	Correct	17 ms	3540 KB	Output is correct
7	Correct	21 ms	3388 KB	Output is correct
8	Correct	19 ms	3380 KB	Output is correct
9	Correct	19 ms	3420 KB	Output is correct
10	Correct	18 ms	3212 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	312 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	6 ms	468 KB	Output is correct
24	Correct	11 ms	524 KB	Output is correct
25	Correct	16 ms	468 KB	Output is correct
26	Correct	21 ms	504 KB	Output is correct
27	Correct	26 ms	528 KB	Output is correct
28	Correct	5 ms	468 KB	Output is correct
29	Correct	5 ms	468 KB	Output is correct
30	Correct	6 ms	468 KB	Output is correct
31	Correct	12 ms	512 KB	Output is correct
32	Correct	5 ms	468 KB	Output is correct
33	Correct	6 ms	468 KB	Output is correct
34	Correct	4 ms	468 KB	Output is correct
35	Correct	23 ms	384 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	26 ms	3428 KB	Output is correct
38	Correct	26 ms	3432 KB	Output is correct
39	Correct	18 ms	3320 KB	Output is correct
40	Correct	19 ms	3676 KB	Output is correct
41	Correct	17 ms	3540 KB	Output is correct
42	Correct	21 ms	3388 KB	Output is correct
43	Correct	19 ms	3380 KB	Output is correct
44	Correct	19 ms	3420 KB	Output is correct
45	Correct	18 ms	3212 KB	Output is correct
46	Correct	0 ms	340 KB	Output is correct
47	Correct	1 ms	340 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	1 ms	340 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	332 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	340 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	336 KB	Output is correct
57	Correct	6 ms	512 KB	Output is correct
58	Correct	13 ms	520 KB	Output is correct
59	Correct	15 ms	468 KB	Output is correct
60	Correct	21 ms	468 KB	Output is correct
61	Correct	26 ms	532 KB	Output is correct
62	Correct	4 ms	520 KB	Output is correct
63	Correct	4 ms	520 KB	Output is correct
64	Correct	6 ms	468 KB	Output is correct
65	Correct	12 ms	468 KB	Output is correct
66	Correct	5 ms	468 KB	Output is correct
67	Correct	6 ms	476 KB	Output is correct
68	Correct	4 ms	468 KB	Output is correct
69	Correct	23 ms	468 KB	Output is correct
70	Correct	1 ms	340 KB	Output is correct
71	Correct	25 ms	3436 KB	Output is correct
72	Correct	24 ms	3436 KB	Output is correct
73	Correct	18 ms	3292 KB	Output is correct
74	Correct	17 ms	3540 KB	Output is correct
75	Correct	19 ms	3544 KB	Output is correct
76	Correct	19 ms	3392 KB	Output is correct
77	Correct	19 ms	3376 KB	Output is correct
78	Correct	16 ms	3432 KB	Output is correct
79	Correct	17 ms	3220 KB	Output is correct
80	Execution timed out	2063 ms	3704 KB	Time limit exceeded
81	Halted	0 ms	0 KB	-

Subtask #6
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	312 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	66 ms	20764 KB	Output is correct
14	Correct	63 ms	20684 KB	Output is correct
15	Correct	53 ms	19444 KB	Output is correct
16	Correct	42 ms	17840 KB	Output is correct
17	Correct	55 ms	20496 KB	Output is correct
18	Correct	57 ms	21816 KB	Output is correct
19	Correct	55 ms	20488 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	6 ms	468 KB	Output is correct
32	Correct	11 ms	524 KB	Output is correct
33	Correct	16 ms	468 KB	Output is correct
34	Correct	21 ms	504 KB	Output is correct
35	Correct	26 ms	528 KB	Output is correct
36	Correct	5 ms	468 KB	Output is correct
37	Correct	5 ms	468 KB	Output is correct
38	Correct	6 ms	468 KB	Output is correct
39	Correct	12 ms	512 KB	Output is correct
40	Correct	5 ms	468 KB	Output is correct
41	Correct	6 ms	468 KB	Output is correct
42	Correct	4 ms	468 KB	Output is correct
43	Correct	23 ms	384 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	26 ms	3428 KB	Output is correct
46	Correct	26 ms	3432 KB	Output is correct
47	Correct	18 ms	3320 KB	Output is correct
48	Correct	19 ms	3676 KB	Output is correct
49	Correct	17 ms	3540 KB	Output is correct
50	Correct	21 ms	3388 KB	Output is correct
51	Correct	19 ms	3380 KB	Output is correct
52	Correct	19 ms	3420 KB	Output is correct
53	Correct	18 ms	3212 KB	Output is correct
54	Correct	0 ms	340 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	332 KB	Output is correct
61	Correct	1 ms	340 KB	Output is correct
62	Correct	1 ms	340 KB	Output is correct
63	Correct	1 ms	340 KB	Output is correct
64	Correct	1 ms	336 KB	Output is correct
65	Correct	6 ms	512 KB	Output is correct
66	Correct	13 ms	520 KB	Output is correct
67	Correct	15 ms	468 KB	Output is correct
68	Correct	21 ms	468 KB	Output is correct
69	Correct	26 ms	532 KB	Output is correct
70	Correct	4 ms	520 KB	Output is correct
71	Correct	4 ms	520 KB	Output is correct
72	Correct	6 ms	468 KB	Output is correct
73	Correct	12 ms	468 KB	Output is correct
74	Correct	5 ms	468 KB	Output is correct
75	Correct	6 ms	476 KB	Output is correct
76	Correct	4 ms	468 KB	Output is correct
77	Correct	23 ms	468 KB	Output is correct
78	Correct	1 ms	340 KB	Output is correct
79	Correct	25 ms	3436 KB	Output is correct
80	Correct	24 ms	3436 KB	Output is correct
81	Correct	18 ms	3292 KB	Output is correct
82	Correct	17 ms	3540 KB	Output is correct
83	Correct	19 ms	3544 KB	Output is correct
84	Correct	19 ms	3392 KB	Output is correct
85	Correct	19 ms	3376 KB	Output is correct
86	Correct	16 ms	3432 KB	Output is correct
87	Correct	17 ms	3220 KB	Output is correct
88	Execution timed out	2063 ms	3704 KB	Time limit exceeded
89	Halted	0 ms	0 KB	-

답안 #726957

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 0 / 25.0

Subtask #6 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
0 / 25.0

Subtask #6
0 / 20.0