답안 #990882

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
990882	2024-05-31T17:19:14 Z	ToniB	Bigger segments (IZhO19_segments)	C++17	27 / 100	1500 ms	35676 KB

segments

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

const int N = 3005;
typedef long long ll;

int n, a[N], dp[N][N];
ll pre[N];

ll sum(int i, int j) {
	if (i) return pre[j] - pre[i - 1];
	return pre[j];
}

int main(){
	cin >> n;
	for (int i = 0; i < n; ++i) cin >> a[i];
	
	pre[0] = a[0];
	for (int i = 1; i < n; ++i) pre[i] = a[i] + pre[i - 1];
	
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < n; ++j) dp[i][j] = -1e9;
	}
	
	for (int i = 0; i < n; ++i) {
		dp[0][i] = 1;
	}
	
	for (int i = 1; i < n; ++i) {
		for (int j = i; j < n; ++j) {
			for (int k = 0; k < i; ++k) {
				if (sum(i, j) >= sum(k, i - 1)) dp[i][j] = max(dp[i][j], dp[k][i - 1] + 1);
			}
		}
	}
	
	int ans = 0;
	for (int i = 0; i < n; ++i) ans = max(ans, dp[i][n - 1]);
	
	cout << ans << "\n";
	
	return 0;
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	0 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	0 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	0 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	0 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	22 ms	6696 KB	Output is correct
17	Correct	21 ms	6492 KB	Output is correct
18	Correct	21 ms	6704 KB	Output is correct
19	Correct	22 ms	6492 KB	Output is correct
20	Correct	23 ms	6708 KB	Output is correct
21	Correct	26 ms	6492 KB	Output is correct
22	Correct	12 ms	6492 KB	Output is correct
23	Correct	6 ms	4444 KB	Output is correct
24	Correct	21 ms	6692 KB	Output is correct
25	Correct	21 ms	6492 KB	Output is correct
26	Correct	20 ms	6492 KB	Output is correct
27	Correct	23 ms	6492 KB	Output is correct
28	Correct	20 ms	6492 KB	Output is correct
29	Correct	20 ms	6700 KB	Output is correct
30	Correct	21 ms	6492 KB	Output is correct

Subtask #3
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	0 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	0 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	22 ms	6696 KB	Output is correct
17	Correct	21 ms	6492 KB	Output is correct
18	Correct	21 ms	6704 KB	Output is correct
19	Correct	22 ms	6492 KB	Output is correct
20	Correct	23 ms	6708 KB	Output is correct
21	Correct	26 ms	6492 KB	Output is correct
22	Correct	12 ms	6492 KB	Output is correct
23	Correct	6 ms	4444 KB	Output is correct
24	Correct	21 ms	6692 KB	Output is correct
25	Correct	21 ms	6492 KB	Output is correct
26	Correct	20 ms	6492 KB	Output is correct
27	Correct	23 ms	6492 KB	Output is correct
28	Correct	20 ms	6492 KB	Output is correct
29	Correct	20 ms	6700 KB	Output is correct
30	Correct	21 ms	6492 KB	Output is correct
31	Execution timed out	1561 ms	35676 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-

Subtask #4
0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	0 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	0 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	22 ms	6696 KB	Output is correct
17	Correct	21 ms	6492 KB	Output is correct
18	Correct	21 ms	6704 KB	Output is correct
19	Correct	22 ms	6492 KB	Output is correct
20	Correct	23 ms	6708 KB	Output is correct
21	Correct	26 ms	6492 KB	Output is correct
22	Correct	12 ms	6492 KB	Output is correct
23	Correct	6 ms	4444 KB	Output is correct
24	Correct	21 ms	6692 KB	Output is correct
25	Correct	21 ms	6492 KB	Output is correct
26	Correct	20 ms	6492 KB	Output is correct
27	Correct	23 ms	6492 KB	Output is correct
28	Correct	20 ms	6492 KB	Output is correct
29	Correct	20 ms	6700 KB	Output is correct
30	Correct	21 ms	6492 KB	Output is correct
31	Execution timed out	1561 ms	35676 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	0 ms	2396 KB	Output is correct
12	Correct	0 ms	2396 KB	Output is correct
13	Correct	0 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	22 ms	6696 KB	Output is correct
17	Correct	21 ms	6492 KB	Output is correct
18	Correct	21 ms	6704 KB	Output is correct
19	Correct	22 ms	6492 KB	Output is correct
20	Correct	23 ms	6708 KB	Output is correct
21	Correct	26 ms	6492 KB	Output is correct
22	Correct	12 ms	6492 KB	Output is correct
23	Correct	6 ms	4444 KB	Output is correct
24	Correct	21 ms	6692 KB	Output is correct
25	Correct	21 ms	6492 KB	Output is correct
26	Correct	20 ms	6492 KB	Output is correct
27	Correct	23 ms	6492 KB	Output is correct
28	Correct	20 ms	6492 KB	Output is correct
29	Correct	20 ms	6700 KB	Output is correct
30	Correct	21 ms	6492 KB	Output is correct
31	Execution timed out	1561 ms	35676 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-

답안 #990882

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 0 / 10.0

Subtask #4 0 / 36.0

Subtask #5 0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
0 / 10.0

Subtask #4
0 / 36.0

Subtask #5
0 / 27.0