답안 #993728

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
993728	2024-06-06T10:40:34 Z	VMaksimoski008	Bigger segments (IZhO19_segments)	C++17	27 / 100	1500 ms	70736 KB

segments

#include <bits/stdc++.h>

#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int long long

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;

int32_t main() {
    ios_base::sync_with_stdio(false);
    cout.tie(0); cin.tie(0);

    int n;
    cin >> n;

    vector<int> v(n+1);
    vector<ll> pref(n+1);
    for(int i=1; i<=n; i++) {
        cin >> v[i];
        pref[i] = pref[i-1] + v[i];
    }

    int dp[n+1][n+1];
    for(int i=0; i<=n; i++)
        for(int j=0; j<=n; j++) dp[i][j] = -1e9;
    for(int i=1; i<=n; i++) dp[1][i] = 1;

    auto query = [&](int i, int j) {
        return pref[j] - pref[i-1];
    };

    for(int i=2; i<=n; i++)
        for(int j=i; j<=n; j++)
            for(int k=1; k<i; k++)
                if(query(i, j) >= query(k, i-1)) dp[i][j] = max(dp[i][j], dp[k][i-1] + 1);

    int ans = 0;
    for(int i=1; i<=n; i++) ans = max(ans, dp[i][n]);
    cout << ans << '\n';
    return 0;
}

Subtask #1
13.0 / 13.0

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

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	27 ms	2396 KB	Output is correct
17	Correct	25 ms	2396 KB	Output is correct
18	Correct	25 ms	2396 KB	Output is correct
19	Correct	23 ms	2396 KB	Output is correct
20	Correct	25 ms	2396 KB	Output is correct
21	Correct	25 ms	2396 KB	Output is correct
22	Correct	14 ms	1720 KB	Output is correct
23	Correct	6 ms	1116 KB	Output is correct
24	Correct	26 ms	2396 KB	Output is correct
25	Correct	28 ms	2396 KB	Output is correct
26	Correct	29 ms	2424 KB	Output is correct
27	Correct	22 ms	2424 KB	Output is correct
28	Correct	27 ms	2396 KB	Output is correct
29	Correct	27 ms	2396 KB	Output is correct
30	Correct	25 ms	2396 KB	Output is correct

Subtask #3
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	27 ms	2396 KB	Output is correct
17	Correct	25 ms	2396 KB	Output is correct
18	Correct	25 ms	2396 KB	Output is correct
19	Correct	23 ms	2396 KB	Output is correct
20	Correct	25 ms	2396 KB	Output is correct
21	Correct	25 ms	2396 KB	Output is correct
22	Correct	14 ms	1720 KB	Output is correct
23	Correct	6 ms	1116 KB	Output is correct
24	Correct	26 ms	2396 KB	Output is correct
25	Correct	28 ms	2396 KB	Output is correct
26	Correct	29 ms	2424 KB	Output is correct
27	Correct	22 ms	2424 KB	Output is correct
28	Correct	27 ms	2396 KB	Output is correct
29	Correct	27 ms	2396 KB	Output is correct
30	Correct	25 ms	2396 KB	Output is correct
31	Execution timed out	1575 ms	70736 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	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	27 ms	2396 KB	Output is correct
17	Correct	25 ms	2396 KB	Output is correct
18	Correct	25 ms	2396 KB	Output is correct
19	Correct	23 ms	2396 KB	Output is correct
20	Correct	25 ms	2396 KB	Output is correct
21	Correct	25 ms	2396 KB	Output is correct
22	Correct	14 ms	1720 KB	Output is correct
23	Correct	6 ms	1116 KB	Output is correct
24	Correct	26 ms	2396 KB	Output is correct
25	Correct	28 ms	2396 KB	Output is correct
26	Correct	29 ms	2424 KB	Output is correct
27	Correct	22 ms	2424 KB	Output is correct
28	Correct	27 ms	2396 KB	Output is correct
29	Correct	27 ms	2396 KB	Output is correct
30	Correct	25 ms	2396 KB	Output is correct
31	Execution timed out	1575 ms	70736 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	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	27 ms	2396 KB	Output is correct
17	Correct	25 ms	2396 KB	Output is correct
18	Correct	25 ms	2396 KB	Output is correct
19	Correct	23 ms	2396 KB	Output is correct
20	Correct	25 ms	2396 KB	Output is correct
21	Correct	25 ms	2396 KB	Output is correct
22	Correct	14 ms	1720 KB	Output is correct
23	Correct	6 ms	1116 KB	Output is correct
24	Correct	26 ms	2396 KB	Output is correct
25	Correct	28 ms	2396 KB	Output is correct
26	Correct	29 ms	2424 KB	Output is correct
27	Correct	22 ms	2424 KB	Output is correct
28	Correct	27 ms	2396 KB	Output is correct
29	Correct	27 ms	2396 KB	Output is correct
30	Correct	25 ms	2396 KB	Output is correct
31	Execution timed out	1575 ms	70736 KB	Time limit exceeded
32	Halted	0 ms	0 KB	-

답안 #993728

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