답안 #1113274

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1113274 2024-11-16T09:32:59 Z stdfloat Bigger segments (IZhO19_segments) C++17
37 / 100
1500 ms 3152 KB
#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() || dp.back() == (ll)1e18) return cout << i, 0;
	}
 
	cout << n;
}
# 결과 실행 시간 메모리 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 336 KB Output is correct
7 Correct 1 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 336 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
# 결과 실행 시간 메모리 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 336 KB Output is correct
7 Correct 1 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 336 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 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 11 ms 336 KB Output is correct
20 Correct 2 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 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 8 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 2 ms 336 KB Output is correct
30 Correct 3 ms 336 KB Output is correct
# 결과 실행 시간 메모리 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 336 KB Output is correct
7 Correct 1 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 336 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 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 11 ms 336 KB Output is correct
20 Correct 2 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 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 8 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 2 ms 336 KB Output is correct
30 Correct 3 ms 336 KB Output is correct
31 Correct 5 ms 336 KB Output is correct
32 Correct 8 ms 548 KB Output is correct
33 Correct 21 ms 336 KB Output is correct
34 Correct 1105 ms 528 KB Output is correct
35 Correct 37 ms 532 KB Output is correct
36 Correct 17 ms 540 KB Output is correct
37 Correct 13 ms 336 KB Output is correct
38 Correct 9 ms 516 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 508 KB Output is correct
42 Correct 777 ms 592 KB Output is correct
43 Correct 489 ms 528 KB Output is correct
44 Correct 31 ms 336 KB Output is correct
45 Correct 88 ms 336 KB Output is correct
# 결과 실행 시간 메모리 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 336 KB Output is correct
7 Correct 1 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 336 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 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 11 ms 336 KB Output is correct
20 Correct 2 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 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 8 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 2 ms 336 KB Output is correct
30 Correct 3 ms 336 KB Output is correct
31 Correct 5 ms 336 KB Output is correct
32 Correct 8 ms 548 KB Output is correct
33 Correct 21 ms 336 KB Output is correct
34 Correct 1105 ms 528 KB Output is correct
35 Correct 37 ms 532 KB Output is correct
36 Correct 17 ms 540 KB Output is correct
37 Correct 13 ms 336 KB Output is correct
38 Correct 9 ms 516 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 508 KB Output is correct
42 Correct 777 ms 592 KB Output is correct
43 Correct 489 ms 528 KB Output is correct
44 Correct 31 ms 336 KB Output is correct
45 Correct 88 ms 336 KB Output is correct
46 Execution timed out 1560 ms 3152 KB Time limit exceeded
47 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 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 336 KB Output is correct
7 Correct 1 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 336 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 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 11 ms 336 KB Output is correct
20 Correct 2 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 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 8 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 2 ms 336 KB Output is correct
30 Correct 3 ms 336 KB Output is correct
31 Correct 5 ms 336 KB Output is correct
32 Correct 8 ms 548 KB Output is correct
33 Correct 21 ms 336 KB Output is correct
34 Correct 1105 ms 528 KB Output is correct
35 Correct 37 ms 532 KB Output is correct
36 Correct 17 ms 540 KB Output is correct
37 Correct 13 ms 336 KB Output is correct
38 Correct 9 ms 516 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 508 KB Output is correct
42 Correct 777 ms 592 KB Output is correct
43 Correct 489 ms 528 KB Output is correct
44 Correct 31 ms 336 KB Output is correct
45 Correct 88 ms 336 KB Output is correct
46 Execution timed out 1560 ms 3152 KB Time limit exceeded
47 Halted 0 ms 0 KB -