답안 #1113289

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1113289 2024-11-16T09:46:08 Z stdfloat Bigger segments (IZhO19_segments) C++17
37 / 100
1500 ms 3164 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 = sz(dp) - 1; j >= 0; j--)
			u[j] = min((j + 1 == sz(dp) ? LLONG_MAX : u[j + 1]), dp[j] + p[j]);
 
		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 508 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 504 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 508 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 504 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 2 ms 336 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 508 KB Output is correct
19 Correct 2 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 2 ms 504 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 1 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 2 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 508 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 504 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 2 ms 336 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 508 KB Output is correct
19 Correct 2 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 2 ms 504 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 1 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 2 ms 336 KB Output is correct
31 Correct 2 ms 336 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 6 ms 336 KB Output is correct
34 Correct 40 ms 336 KB Output is correct
35 Correct 40 ms 336 KB Output is correct
36 Correct 6 ms 336 KB Output is correct
37 Correct 6 ms 336 KB Output is correct
38 Correct 3 ms 512 KB Output is correct
39 Correct 6 ms 336 KB Output is correct
40 Correct 5 ms 336 KB Output is correct
41 Correct 40 ms 536 KB Output is correct
42 Correct 40 ms 532 KB Output is correct
43 Correct 13 ms 336 KB Output is correct
44 Correct 39 ms 336 KB Output is correct
45 Correct 42 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 508 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 504 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 2 ms 336 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 508 KB Output is correct
19 Correct 2 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 2 ms 504 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 1 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 2 ms 336 KB Output is correct
31 Correct 2 ms 336 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 6 ms 336 KB Output is correct
34 Correct 40 ms 336 KB Output is correct
35 Correct 40 ms 336 KB Output is correct
36 Correct 6 ms 336 KB Output is correct
37 Correct 6 ms 336 KB Output is correct
38 Correct 3 ms 512 KB Output is correct
39 Correct 6 ms 336 KB Output is correct
40 Correct 5 ms 336 KB Output is correct
41 Correct 40 ms 536 KB Output is correct
42 Correct 40 ms 532 KB Output is correct
43 Correct 13 ms 336 KB Output is correct
44 Correct 39 ms 336 KB Output is correct
45 Correct 42 ms 336 KB Output is correct
46 Execution timed out 1546 ms 3164 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 508 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 504 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 2 ms 336 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 508 KB Output is correct
19 Correct 2 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 2 ms 504 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 1 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 2 ms 336 KB Output is correct
31 Correct 2 ms 336 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 6 ms 336 KB Output is correct
34 Correct 40 ms 336 KB Output is correct
35 Correct 40 ms 336 KB Output is correct
36 Correct 6 ms 336 KB Output is correct
37 Correct 6 ms 336 KB Output is correct
38 Correct 3 ms 512 KB Output is correct
39 Correct 6 ms 336 KB Output is correct
40 Correct 5 ms 336 KB Output is correct
41 Correct 40 ms 536 KB Output is correct
42 Correct 40 ms 532 KB Output is correct
43 Correct 13 ms 336 KB Output is correct
44 Correct 39 ms 336 KB Output is correct
45 Correct 42 ms 336 KB Output is correct
46 Execution timed out 1546 ms 3164 KB Time limit exceeded
47 Halted 0 ms 0 KB -