답안 #993735

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
993735 2024-06-06T10:42:37 Z VMaksimoski008 Bigger segments (IZhO19_segments) C++17
27 / 100
1500 ms 70740 KB
#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;

    for(int i=2; i<=n; i++)
        for(int j=i; j<=n; j++)
            for(int k=1; k<i; k++)
                if(pref[j] + pref[k-1] >= 2 * pref[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;
}
# 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 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 1 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
# 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 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 1 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 24 ms 2392 KB Output is correct
17 Correct 24 ms 2396 KB Output is correct
18 Correct 24 ms 2428 KB Output is correct
19 Correct 26 ms 2420 KB Output is correct
20 Correct 24 ms 2420 KB Output is correct
21 Correct 31 ms 2396 KB Output is correct
22 Correct 13 ms 1628 KB Output is correct
23 Correct 6 ms 1116 KB Output is correct
24 Correct 24 ms 2396 KB Output is correct
25 Correct 23 ms 2392 KB Output is correct
26 Correct 27 ms 2396 KB Output is correct
27 Correct 21 ms 2396 KB Output is correct
28 Correct 26 ms 2396 KB Output is correct
29 Correct 25 ms 2396 KB Output is correct
30 Correct 24 ms 2392 KB Output is correct
# 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 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 1 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 24 ms 2392 KB Output is correct
17 Correct 24 ms 2396 KB Output is correct
18 Correct 24 ms 2428 KB Output is correct
19 Correct 26 ms 2420 KB Output is correct
20 Correct 24 ms 2420 KB Output is correct
21 Correct 31 ms 2396 KB Output is correct
22 Correct 13 ms 1628 KB Output is correct
23 Correct 6 ms 1116 KB Output is correct
24 Correct 24 ms 2396 KB Output is correct
25 Correct 23 ms 2392 KB Output is correct
26 Correct 27 ms 2396 KB Output is correct
27 Correct 21 ms 2396 KB Output is correct
28 Correct 26 ms 2396 KB Output is correct
29 Correct 25 ms 2396 KB Output is correct
30 Correct 24 ms 2392 KB Output is correct
31 Execution timed out 1578 ms 70740 KB Time limit exceeded
32 Halted 0 ms 0 KB -
# 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 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 1 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 24 ms 2392 KB Output is correct
17 Correct 24 ms 2396 KB Output is correct
18 Correct 24 ms 2428 KB Output is correct
19 Correct 26 ms 2420 KB Output is correct
20 Correct 24 ms 2420 KB Output is correct
21 Correct 31 ms 2396 KB Output is correct
22 Correct 13 ms 1628 KB Output is correct
23 Correct 6 ms 1116 KB Output is correct
24 Correct 24 ms 2396 KB Output is correct
25 Correct 23 ms 2392 KB Output is correct
26 Correct 27 ms 2396 KB Output is correct
27 Correct 21 ms 2396 KB Output is correct
28 Correct 26 ms 2396 KB Output is correct
29 Correct 25 ms 2396 KB Output is correct
30 Correct 24 ms 2392 KB Output is correct
31 Execution timed out 1578 ms 70740 KB Time limit exceeded
32 Halted 0 ms 0 KB -
# 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 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 1 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 24 ms 2392 KB Output is correct
17 Correct 24 ms 2396 KB Output is correct
18 Correct 24 ms 2428 KB Output is correct
19 Correct 26 ms 2420 KB Output is correct
20 Correct 24 ms 2420 KB Output is correct
21 Correct 31 ms 2396 KB Output is correct
22 Correct 13 ms 1628 KB Output is correct
23 Correct 6 ms 1116 KB Output is correct
24 Correct 24 ms 2396 KB Output is correct
25 Correct 23 ms 2392 KB Output is correct
26 Correct 27 ms 2396 KB Output is correct
27 Correct 21 ms 2396 KB Output is correct
28 Correct 26 ms 2396 KB Output is correct
29 Correct 25 ms 2396 KB Output is correct
30 Correct 24 ms 2392 KB Output is correct
31 Execution timed out 1578 ms 70740 KB Time limit exceeded
32 Halted 0 ms 0 KB -