oj.uz

Submission #394478

# Submission time Handle Problem Language Result Execution time Memory
394478 2021-04-26T17:35:49 Z rocks03 Feast (NOI19_feast) C++14
71 / 100
 1000 ms 6676 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define pb push_back
#define SZ(x) ((int)(x).size())
#define all(x) x.begin(), x.end()
#define debug(x) cout << #x << ": " << x << " "
#define nl cout << "\n"
#define rep(i, a, b) for(int i = (a); i < (b); i++)
#define per(i, a, b) for(int i = (a); i >= (b); i--)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int MAXN = 3e5+100;
int N, K, a[MAXN];
ll dp[MAXN];

void solve(){
    cin >> N >> K;
    int cnt = 0;
    rep(i, 1, N + 1){
        cin >> a[i];
        if(a[i] < 0) cnt++;
    }
    if(cnt <= 1) K = min(K, 2);
    rep(k, 1, K + 1){
        ll s = 0, mx = 0;
        rep(i, 1, N + 1){
            s += a[i];
            s = max(s, dp[i]);
            mx = max(mx, s);
            dp[i] = mx;
        }
    }
    cout << dp[N];
}
 
int main(){
    ios_base::sync_with_stdio(false), cin.tie(nullptr);
    solve();
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 3652 KB Output is correct
2 Correct 38 ms 6524 KB Output is correct
3 Correct 38 ms 6676 KB Output is correct
4 Correct 37 ms 6596 KB Output is correct
5 Correct 42 ms 6604 KB Output is correct
6 Correct 46 ms 6528 KB Output is correct
7 Correct 37 ms 6444 KB Output is correct
8 Correct 49 ms 6656 KB Output is correct
9 Correct 36 ms 6476 KB Output is correct
10 Correct 39 ms 6596 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 3676 KB Output is correct
2 Correct 31 ms 3780 KB Output is correct
3 Correct 24 ms 3696 KB Output is correct
4 Correct 25 ms 3788 KB Output is correct
5 Correct 48 ms 6512 KB Output is correct
6 Correct 26 ms 4788 KB Output is correct
7 Correct 26 ms 4988 KB Output is correct
8 Correct 41 ms 6676 KB Output is correct
9 Correct 37 ms 6460 KB Output is correct
10 Correct 32 ms 4916 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 3676 KB Output is correct
2 Correct 38 ms 3644 KB Output is correct
3 Correct 39 ms 3680 KB Output is correct
4 Correct 38 ms 3688 KB Output is correct
5 Correct 40 ms 3724 KB Output is correct
6 Correct 41 ms 3716 KB Output is correct
7 Correct 46 ms 3696 KB Output is correct
8 Correct 42 ms 3728 KB Output is correct
9 Correct 40 ms 3780 KB Output is correct
10 Correct 48 ms 3816 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 7 ms 332 KB Output is correct
23 Correct 2 ms 332 KB Output is correct
24 Correct 2 ms 332 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 2 ms 364 KB Output is correct
27 Correct 2 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 2 ms 332 KB Output is correct

Subtask #7
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 3652 KB Output is correct
2 Correct 38 ms 6524 KB Output is correct
3 Correct 38 ms 6676 KB Output is correct
4 Correct 37 ms 6596 KB Output is correct
5 Correct 42 ms 6604 KB Output is correct
6 Correct 46 ms 6528 KB Output is correct
7 Correct 37 ms 6444 KB Output is correct
8 Correct 49 ms 6656 KB Output is correct
9 Correct 36 ms 6476 KB Output is correct
10 Correct 39 ms 6596 KB Output is correct
11 Correct 30 ms 3676 KB Output is correct
12 Correct 31 ms 3780 KB Output is correct
13 Correct 24 ms 3696 KB Output is correct
14 Correct 25 ms 3788 KB Output is correct
15 Correct 48 ms 6512 KB Output is correct
16 Correct 26 ms 4788 KB Output is correct
17 Correct 26 ms 4988 KB Output is correct
18 Correct 41 ms 6676 KB Output is correct
19 Correct 37 ms 6460 KB Output is correct
20 Correct 32 ms 4916 KB Output is correct
21 Correct 39 ms 3676 KB Output is correct
22 Correct 38 ms 3644 KB Output is correct
23 Correct 39 ms 3680 KB Output is correct
24 Correct 38 ms 3688 KB Output is correct
25 Correct 40 ms 3724 KB Output is correct
26 Correct 41 ms 3716 KB Output is correct
27 Correct 46 ms 3696 KB Output is correct
28 Correct 42 ms 3728 KB Output is correct
29 Correct 40 ms 3780 KB Output is correct
30 Correct 48 ms 3816 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 7 ms 332 KB Output is correct
53 Correct 2 ms 332 KB Output is correct
54 Correct 2 ms 332 KB Output is correct
55 Correct 2 ms 332 KB Output is correct
56 Correct 2 ms 364 KB Output is correct
57 Correct 2 ms 332 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 336 KB Output is correct
60 Correct 2 ms 332 KB Output is correct
61 Execution timed out 1083 ms 6616 KB Time limit exceeded
62 Halted 0 ms 0 KB -