Submission #1113271

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1113271	2024-11-16T09:27:01 Z	stdfloat	Bigger segments (IZhO19_segments)	C++17	37 / 100	1500 ms	3408 KB

segments

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

#define sz(v)	(int)(v).size()
#define all(v)	(v).begin(), (v).end()
 
#define ff  first
#define ss  second
#define pii pair<int, int>
 
#define all(v) (v).begin(), (v).end()
 
int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);
 
	int n;
	cin >> n;
 
	vector<int> a(n);
	for (auto &i : a)
		cin >> i;
 
	vector<ll> p(n);
	for (int i = 0; i < n; i++)
		p[i] = (i ? p[i - 1] : 0) + a[i];

	vector<ll> dp = p;
	for (int i = 1; i < n; i++) {
		vector<ll> u(sz(dp));
		for (int j = 0; j < sz(dp); j++)
			u[j] = max((j ? u[j - 1] : 0), dp[j] + p[j]);

		// cout << "\ni " << i << endl;
		// for (auto j : u)
		// 	cout << j << ' ';
		// cout << endl;

		// for (auto j : u)
		// 	cout << j << ' ';
		// cout << endl;
		assert(is_sorted(all(u)));

		for (int j = sz(dp) - 1; j >= 0; j--) {
			dp[j] = (ll)1e18;

			// if (p[j] < u[0]) continue;

			// int t = upper_bound(u.begin(), u.begin() + j, p[j]) - u.begin() - 1;

			// dp[j] = p[j] - p[t];
			// cout << "\nj " << j << ' ' << t << ' ' << p[t] << ' ' << p[j] << ' ' << p[j] - p[t] << endl;

			for (int k = j; k > 0; k--) {
				if (dp[k - 1] <= p[j] - p[k - 1]) {
					// cout << "k " << k << ' ' << sm << endl;
					dp[j] = p[j] - p[k - 1]; break;
				}
			}
		}

		while (!dp.empty() && dp[0] == (ll)1e18) {
			dp.erase(dp.begin());
			p.erase(p.begin());
		}

		if (dp.empty()) return cout << i, 0;
	}

	cout << n;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	460 KB	Output is correct
7	Correct	2 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	504 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	460 KB	Output is correct
7	Correct	2 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	504 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	504 KB	Output is correct
17	Correct	2 ms	336 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	7 ms	336 KB	Output is correct
20	Correct	3 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	2 ms	336 KB	Output is correct
26	Correct	2 ms	336 KB	Output is correct
27	Correct	8 ms	460 KB	Output is correct
28	Correct	1 ms	456 KB	Output is correct
29	Correct	2 ms	336 KB	Output is correct
30	Correct	3 ms	336 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	460 KB	Output is correct
7	Correct	2 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	504 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	504 KB	Output is correct
17	Correct	2 ms	336 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	7 ms	336 KB	Output is correct
20	Correct	3 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	2 ms	336 KB	Output is correct
26	Correct	2 ms	336 KB	Output is correct
27	Correct	8 ms	460 KB	Output is correct
28	Correct	1 ms	456 KB	Output is correct
29	Correct	2 ms	336 KB	Output is correct
30	Correct	3 ms	336 KB	Output is correct
31	Correct	6 ms	504 KB	Output is correct
32	Correct	9 ms	336 KB	Output is correct
33	Correct	22 ms	496 KB	Output is correct
34	Correct	1187 ms	556 KB	Output is correct
35	Correct	36 ms	336 KB	Output is correct
36	Correct	18 ms	336 KB	Output is correct
37	Correct	26 ms	336 KB	Output is correct
38	Correct	9 ms	508 KB	Output is correct
39	Correct	18 ms	336 KB	Output is correct
40	Correct	18 ms	336 KB	Output is correct
41	Correct	30 ms	336 KB	Output is correct
42	Correct	867 ms	536 KB	Output is correct
43	Correct	514 ms	336 KB	Output is correct
44	Correct	31 ms	552 KB	Output is correct
45	Correct	90 ms	508 KB	Output is correct

Subtask #4
0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	460 KB	Output is correct
7	Correct	2 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	504 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	504 KB	Output is correct
17	Correct	2 ms	336 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	7 ms	336 KB	Output is correct
20	Correct	3 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	2 ms	336 KB	Output is correct
26	Correct	2 ms	336 KB	Output is correct
27	Correct	8 ms	460 KB	Output is correct
28	Correct	1 ms	456 KB	Output is correct
29	Correct	2 ms	336 KB	Output is correct
30	Correct	3 ms	336 KB	Output is correct
31	Correct	6 ms	504 KB	Output is correct
32	Correct	9 ms	336 KB	Output is correct
33	Correct	22 ms	496 KB	Output is correct
34	Correct	1187 ms	556 KB	Output is correct
35	Correct	36 ms	336 KB	Output is correct
36	Correct	18 ms	336 KB	Output is correct
37	Correct	26 ms	336 KB	Output is correct
38	Correct	9 ms	508 KB	Output is correct
39	Correct	18 ms	336 KB	Output is correct
40	Correct	18 ms	336 KB	Output is correct
41	Correct	30 ms	336 KB	Output is correct
42	Correct	867 ms	536 KB	Output is correct
43	Correct	514 ms	336 KB	Output is correct
44	Correct	31 ms	552 KB	Output is correct
45	Correct	90 ms	508 KB	Output is correct
46	Execution timed out	1560 ms	3408 KB	Time limit exceeded
47	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	1 ms	336 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	336 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	1 ms	460 KB	Output is correct
7	Correct	2 ms	336 KB	Output is correct
8	Correct	1 ms	336 KB	Output is correct
9	Correct	1 ms	336 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	1 ms	504 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	504 KB	Output is correct
17	Correct	2 ms	336 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	7 ms	336 KB	Output is correct
20	Correct	3 ms	336 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	336 KB	Output is correct
23	Correct	1 ms	336 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	2 ms	336 KB	Output is correct
26	Correct	2 ms	336 KB	Output is correct
27	Correct	8 ms	460 KB	Output is correct
28	Correct	1 ms	456 KB	Output is correct
29	Correct	2 ms	336 KB	Output is correct
30	Correct	3 ms	336 KB	Output is correct
31	Correct	6 ms	504 KB	Output is correct
32	Correct	9 ms	336 KB	Output is correct
33	Correct	22 ms	496 KB	Output is correct
34	Correct	1187 ms	556 KB	Output is correct
35	Correct	36 ms	336 KB	Output is correct
36	Correct	18 ms	336 KB	Output is correct
37	Correct	26 ms	336 KB	Output is correct
38	Correct	9 ms	508 KB	Output is correct
39	Correct	18 ms	336 KB	Output is correct
40	Correct	18 ms	336 KB	Output is correct
41	Correct	30 ms	336 KB	Output is correct
42	Correct	867 ms	536 KB	Output is correct
43	Correct	514 ms	336 KB	Output is correct
44	Correct	31 ms	552 KB	Output is correct
45	Correct	90 ms	508 KB	Output is correct
46	Execution timed out	1560 ms	3408 KB	Time limit exceeded
47	Halted	0 ms	0 KB	-

Submission #1113271

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 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
10.0 / 10.0

Subtask #4
0 / 36.0

Subtask #5
0 / 27.0