oj.uz

Submission #392834

# Submission time Handle Problem Language Result Execution time Memory
392834 2021-04-21T21:32:47 Z SavicS Bigger segments (IZhO19_segments) C++14
100 / 100
 122 ms 21976 KB 
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>

#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ff(i,a,b) for(int i=a;i<=b;i++)
#define fb(i,b,a) for(int i=b;i>=a;i--)

using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int,int> pii;
const int maxn = 500005;
const int inf = 1e9 + 5;

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// os.order_of_key(k) the number of elements in the os less than k
// *os.find_by_order(k)  print the k-th smallest number in os(0-based)

int n;
int niz[maxn];

ll pref[maxn];
int dp[maxn];

int main() 
{
    ios::sync_with_stdio(false);
    cout.tie(nullptr);
    cin.tie(nullptr);
    cin >> n;
    ff(i,1,n)cin >> niz[i];

    ff(i,1,n)pref[i] = pref[i - 1] + niz[i];

    priority_queue<array<ll,3>, vector<array<ll,3>>, greater<array<ll,3>>> pq;

    int mx = 0;
    ll sum = 0;
    ff(i,1,n) {

        while(!pq.empty() && pq.top()[0] <= pref[i]) {
            // ovaj koji obrisem on ce za sve vece od i isto vaziti
            if(pq.top()[1] > sum) {
                mx = pq.top()[2];
                sum = pq.top()[1];
            }
            pq.pop();
        }

        dp[i] = mx + 1;

        pq.push({1ll * 2 * pref[i] - sum, pref[i], dp[i]});

    }

    cout << dp[n] << endl;

    return 0;
}
/**

9
4 2 9 9 8 8 9 2 10


5
4 3 1 10 4


4
2 3 1 7

5
6 2 3 9 13

3
3 1 2

// probati bojenje sahovski ili slicno

**/

Subtask #1
13.0 / 13.0

# 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 332 KB Output is correct
4 Correct 1 ms 332 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 336 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 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 204 KB Output is correct

Subtask #2
14.0 / 14.0

# 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 332 KB Output is correct
4 Correct 1 ms 332 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 336 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 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 204 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 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 324 KB Output is correct

Subtask #3
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 332 KB Output is correct
4 Correct 1 ms 332 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 336 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 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 204 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 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 324 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 340 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 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 460 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 460 KB Output is correct
45 Correct 1 ms 332 KB Output is correct

Subtask #4
36.0 / 36.0

# 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 332 KB Output is correct
4 Correct 1 ms 332 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 336 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 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 204 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 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 324 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 340 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 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 460 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 460 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 14 ms 5300 KB Output is correct
47 Correct 23 ms 2820 KB Output is correct
48 Correct 25 ms 2852 KB Output is correct
49 Correct 17 ms 3292 KB Output is correct
50 Correct 15 ms 2844 KB Output is correct
51 Correct 23 ms 2892 KB Output is correct
52 Correct 12 ms 1624 KB Output is correct
53 Correct 8 ms 1044 KB Output is correct
54 Correct 19 ms 2124 KB Output is correct
55 Correct 23 ms 2816 KB Output is correct
56 Correct 12 ms 2328 KB Output is correct
57 Correct 17 ms 3908 KB Output is correct
58 Correct 17 ms 3008 KB Output is correct
59 Correct 13 ms 2380 KB Output is correct
60 Correct 16 ms 2420 KB Output is correct

Subtask #5
27.0 / 27.0

# 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 332 KB Output is correct
4 Correct 1 ms 332 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 336 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 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 204 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 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 324 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 340 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 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 460 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 460 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 14 ms 5300 KB Output is correct
47 Correct 23 ms 2820 KB Output is correct
48 Correct 25 ms 2852 KB Output is correct
49 Correct 17 ms 3292 KB Output is correct
50 Correct 15 ms 2844 KB Output is correct
51 Correct 23 ms 2892 KB Output is correct
52 Correct 12 ms 1624 KB Output is correct
53 Correct 8 ms 1044 KB Output is correct
54 Correct 19 ms 2124 KB Output is correct
55 Correct 23 ms 2816 KB Output is correct
56 Correct 12 ms 2328 KB Output is correct
57 Correct 17 ms 3908 KB Output is correct
58 Correct 17 ms 3008 KB Output is correct
59 Correct 13 ms 2380 KB Output is correct
60 Correct 16 ms 2420 KB Output is correct
61 Correct 67 ms 21976 KB Output is correct
62 Correct 89 ms 15968 KB Output is correct
63 Correct 122 ms 12728 KB Output is correct
64 Correct 90 ms 12628 KB Output is correct
65 Correct 76 ms 12932 KB Output is correct
66 Correct 122 ms 12996 KB Output is correct
67 Correct 98 ms 10552 KB Output is correct
68 Correct 47 ms 5324 KB Output is correct
69 Correct 97 ms 9156 KB Output is correct
70 Correct 117 ms 13060 KB Output is correct
71 Correct 54 ms 10008 KB Output is correct
72 Correct 84 ms 16052 KB Output is correct
73 Correct 70 ms 13500 KB Output is correct
74 Correct 65 ms 11440 KB Output is correct
75 Correct 71 ms 11460 KB Output is correct