oj.uz

Submission #523340

# Submission time Handle Problem Language Result Execution time Memory
523340 2022-02-07T13:53:22 Z andrei_boaca Bigger segments (IZhO19_segments) C++17
100 / 100
 224 ms 20788 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
int n;
struct date
{
    ll maxseg,maxprev;
} dp[500005];
ll v[500005],s[500005];
void update(int a,int b)
{
    if(dp[a].maxseg<dp[b].maxseg)
        dp[a]=dp[b];
    else if(dp[a].maxseg==dp[b].maxseg&&dp[a].maxprev<dp[b].maxprev)
        dp[a]=dp[b];
}
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>v[i];
        s[i]=s[i-1]+v[i];
    }
    dp[1].maxseg=1;
    dp[1].maxprev=1;
    for(int i=1;i<=n;i++)
    {
        update(i,i-1);
        int st=i+1;
        int dr=n;
        ll pozmin=n+1;
        while(st<=dr)
        {
            int mij=(st+dr)/2;
            ll suma=s[mij]-s[i];
            if(suma>=s[i]-s[dp[i].maxprev-1])
            {
                pozmin=mij;
                dr=mij-1;
            }
            else
                st=mij+1;
        }
        if(pozmin<=n)
        {
            dp[n+1].maxseg=dp[i].maxseg+1;
            dp[n+1].maxprev=i+1;
            update(pozmin,n+1);
        }
    }
    cout<<dp[n].maxseg;
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 300 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 292 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 300 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 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 300 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 292 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 300 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 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 2 ms 312 KB Output is correct
33 Correct 2 ms 436 KB Output is correct
34 Correct 1 ms 352 KB Output is correct
35 Correct 2 ms 332 KB Output is correct
36 Correct 2 ms 444 KB Output is correct
37 Correct 2 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 304 KB Output is correct
40 Correct 2 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 304 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 2 ms 332 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 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 300 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 292 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 300 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 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 2 ms 312 KB Output is correct
33 Correct 2 ms 436 KB Output is correct
34 Correct 1 ms 352 KB Output is correct
35 Correct 2 ms 332 KB Output is correct
36 Correct 2 ms 444 KB Output is correct
37 Correct 2 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 304 KB Output is correct
40 Correct 2 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 304 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 2 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 27 ms 3908 KB Output is correct
47 Correct 29 ms 3780 KB Output is correct
48 Correct 37 ms 4168 KB Output is correct
49 Correct 39 ms 4324 KB Output is correct
50 Correct 41 ms 4372 KB Output is correct
51 Correct 42 ms 4284 KB Output is correct
52 Correct 22 ms 2244 KB Output is correct
53 Correct 13 ms 1472 KB Output is correct
54 Correct 21 ms 3524 KB Output is correct
55 Correct 46 ms 4408 KB Output is correct
56 Correct 27 ms 3908 KB Output is correct
57 Correct 25 ms 3720 KB Output is correct
58 Correct 26 ms 3760 KB Output is correct
59 Correct 30 ms 3928 KB Output is correct
60 Correct 29 ms 3908 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 300 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 292 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 300 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 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 2 ms 312 KB Output is correct
33 Correct 2 ms 436 KB Output is correct
34 Correct 1 ms 352 KB Output is correct
35 Correct 2 ms 332 KB Output is correct
36 Correct 2 ms 444 KB Output is correct
37 Correct 2 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 304 KB Output is correct
40 Correct 2 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 304 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 2 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 27 ms 3908 KB Output is correct
47 Correct 29 ms 3780 KB Output is correct
48 Correct 37 ms 4168 KB Output is correct
49 Correct 39 ms 4324 KB Output is correct
50 Correct 41 ms 4372 KB Output is correct
51 Correct 42 ms 4284 KB Output is correct
52 Correct 22 ms 2244 KB Output is correct
53 Correct 13 ms 1472 KB Output is correct
54 Correct 21 ms 3524 KB Output is correct
55 Correct 46 ms 4408 KB Output is correct
56 Correct 27 ms 3908 KB Output is correct
57 Correct 25 ms 3720 KB Output is correct
58 Correct 26 ms 3760 KB Output is correct
59 Correct 30 ms 3928 KB Output is correct
60 Correct 29 ms 3908 KB Output is correct
61 Correct 121 ms 17820 KB Output is correct
62 Correct 129 ms 17920 KB Output is correct
63 Correct 144 ms 18244 KB Output is correct
64 Correct 218 ms 20456 KB Output is correct
65 Correct 216 ms 20740 KB Output is correct
66 Correct 224 ms 20688 KB Output is correct
67 Correct 172 ms 16676 KB Output is correct
68 Correct 89 ms 8464 KB Output is correct
69 Correct 100 ms 16856 KB Output is correct
70 Correct 215 ms 20788 KB Output is correct
71 Correct 117 ms 17864 KB Output is correct
72 Correct 132 ms 18176 KB Output is correct
73 Correct 161 ms 18804 KB Output is correct
74 Correct 160 ms 19132 KB Output is correct
75 Correct 162 ms 19120 KB Output is correct