답안 #707973

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
707973	2023-03-10T16:01:41 Z	arcane	Cigle (COI21_cigle)	C++17	100 / 100	470 ms	391888 KB

cigle

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define mp make_pair
#define pb emplace_back
int32_t main(){
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	int n, ptr, cnt, ans = 0; cin >> n;
	int arr[n], dp[n][n], pref[n][n], prefs[n + 1]; for (int i = 0; i < n; i++) cin >> arr[i];
	prefs[0] = 0; for (int i = 0; i < n; i++) prefs[i + 1] = prefs[i] + arr[i];
	for (int i = 1; i < n; i++) fill(dp[i], dp[i] + n, 0);
	fill(dp[0], dp[0] + n, 0);
	for (int i = 1; i < n; i++){
		ptr = i - 1; cnt = 0;
		for (int j = 0; j < n; j++){
			if (!j) pref[i - 1][j] = dp[j][i - 1];
			else pref[i - 1][j] = max(dp[j][i - 1], pref[i - 1][j - 1]);
		}
		for (int j = i; j < n; j++){
			if (j == i) dp[i][j] = pref[i - 1][i - 1];
			else{
				dp[i][j] = dp[i][j - 1];
				if (ptr >= 0 and prefs[i] - prefs[ptr + 1] == prefs[j] - prefs[i]){
					if (prefs[i] - prefs[ptr + 1] == prefs[j] - prefs[i]) cnt += 1;
					dp[i][j] = max(dp[i][j], pref[i - 1][ptr] + cnt);
				}
				while (ptr >= 0 and prefs[i] - prefs[ptr + 1] < prefs[j] - prefs[i]){
					ptr--;
					if (ptr >= 0 and prefs[i] - prefs[ptr + 1] == prefs[j] - prefs[i]){
						if (prefs[i] - prefs[ptr + 1] == prefs[j] - prefs[i]) cnt += 1;
						dp[i][j] = max(dp[i][j], pref[i - 1][ptr] + cnt);
					}
				}
			} 
		}
	}
	for (int i = 0; i < n; i++) ans = max(ans, dp[i][n - 1]);
	cout << ans << '\n';
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	324 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	0 ms	340 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4180 KB	Output is correct
2	Correct	3 ms	4180 KB	Output is correct
3	Correct	3 ms	4180 KB	Output is correct
4	Correct	3 ms	4180 KB	Output is correct
5	Correct	3 ms	4180 KB	Output is correct
6	Correct	4 ms	4296 KB	Output is correct
7	Correct	5 ms	4236 KB	Output is correct
8	Correct	4 ms	4180 KB	Output is correct
9	Correct	4 ms	4180 KB	Output is correct
10	Correct	4 ms	4180 KB	Output is correct
11	Correct	3 ms	4180 KB	Output is correct
12	Correct	4 ms	4160 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	324 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	0 ms	340 KB	Output is correct
21	Correct	3 ms	4180 KB	Output is correct
22	Correct	3 ms	4180 KB	Output is correct
23	Correct	3 ms	4180 KB	Output is correct
24	Correct	3 ms	4180 KB	Output is correct
25	Correct	3 ms	4180 KB	Output is correct
26	Correct	4 ms	4296 KB	Output is correct
27	Correct	5 ms	4236 KB	Output is correct
28	Correct	4 ms	4180 KB	Output is correct
29	Correct	4 ms	4180 KB	Output is correct
30	Correct	4 ms	4180 KB	Output is correct
31	Correct	3 ms	4180 KB	Output is correct
32	Correct	4 ms	4160 KB	Output is correct
33	Correct	3 ms	4188 KB	Output is correct
34	Correct	3 ms	4180 KB	Output is correct
35	Correct	3 ms	4180 KB	Output is correct
36	Correct	3 ms	4180 KB	Output is correct
37	Correct	3 ms	4180 KB	Output is correct
38	Correct	4 ms	4180 KB	Output is correct
39	Correct	4 ms	4180 KB	Output is correct
40	Correct	4 ms	4180 KB	Output is correct
41	Correct	3 ms	4180 KB	Output is correct
42	Correct	3 ms	4156 KB	Output is correct
43	Correct	3 ms	4160 KB	Output is correct
44	Correct	3 ms	4180 KB	Output is correct
45	Correct	3 ms	4160 KB	Output is correct
46	Correct	3 ms	4180 KB	Output is correct
47	Correct	5 ms	4180 KB	Output is correct
48	Correct	4 ms	4180 KB	Output is correct
49	Correct	3 ms	4180 KB	Output is correct

Subtask #5
52.0 / 52.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	320 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	324 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	0 ms	340 KB	Output is correct
21	Correct	3 ms	4180 KB	Output is correct
22	Correct	3 ms	4180 KB	Output is correct
23	Correct	3 ms	4180 KB	Output is correct
24	Correct	3 ms	4180 KB	Output is correct
25	Correct	3 ms	4180 KB	Output is correct
26	Correct	4 ms	4296 KB	Output is correct
27	Correct	5 ms	4236 KB	Output is correct
28	Correct	4 ms	4180 KB	Output is correct
29	Correct	4 ms	4180 KB	Output is correct
30	Correct	4 ms	4180 KB	Output is correct
31	Correct	3 ms	4180 KB	Output is correct
32	Correct	4 ms	4160 KB	Output is correct
33	Correct	3 ms	4188 KB	Output is correct
34	Correct	3 ms	4180 KB	Output is correct
35	Correct	3 ms	4180 KB	Output is correct
36	Correct	3 ms	4180 KB	Output is correct
37	Correct	3 ms	4180 KB	Output is correct
38	Correct	4 ms	4180 KB	Output is correct
39	Correct	4 ms	4180 KB	Output is correct
40	Correct	4 ms	4180 KB	Output is correct
41	Correct	3 ms	4180 KB	Output is correct
42	Correct	3 ms	4156 KB	Output is correct
43	Correct	3 ms	4160 KB	Output is correct
44	Correct	3 ms	4180 KB	Output is correct
45	Correct	3 ms	4160 KB	Output is correct
46	Correct	3 ms	4180 KB	Output is correct
47	Correct	5 ms	4180 KB	Output is correct
48	Correct	4 ms	4180 KB	Output is correct
49	Correct	3 ms	4180 KB	Output is correct
50	Correct	434 ms	391776 KB	Output is correct
51	Correct	470 ms	391772 KB	Output is correct
52	Correct	435 ms	391776 KB	Output is correct
53	Correct	454 ms	391776 KB	Output is correct
54	Correct	425 ms	391776 KB	Output is correct
55	Correct	424 ms	391888 KB	Output is correct
56	Correct	456 ms	391776 KB	Output is correct
57	Correct	464 ms	391776 KB	Output is correct
58	Correct	453 ms	391772 KB	Output is correct
59	Correct	453 ms	391784 KB	Output is correct
60	Correct	462 ms	391872 KB	Output is correct
61	Correct	426 ms	391792 KB	Output is correct
62	Correct	426 ms	391788 KB	Output is correct
63	Correct	417 ms	391672 KB	Output is correct
64	Correct	424 ms	391784 KB	Output is correct
65	Correct	420 ms	391832 KB	Output is correct
66	Correct	433 ms	391712 KB	Output is correct
67	Correct	415 ms	391780 KB	Output is correct
68	Correct	418 ms	391708 KB	Output is correct
69	Correct	416 ms	391816 KB	Output is correct
70	Correct	437 ms	391752 KB	Output is correct
71	Correct	454 ms	391756 KB	Output is correct
72	Correct	441 ms	391784 KB	Output is correct

답안 #707973

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 11.0 / 11.0

Subtask #3 13.0 / 13.0

Subtask #4 15.0 / 15.0

Subtask #5 52.0 / 52.0

Subtask #1
9.0 / 9.0

Subtask #2
11.0 / 11.0

Subtask #3
13.0 / 13.0

Subtask #4
15.0 / 15.0

Subtask #5
52.0 / 52.0