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Submission #175741

# Submission time Handle Problem Language Result Execution time Memory
175741 2020-01-07T10:35:16 Z _Enkognit Bigger segments (IZhO19_segments) C++14
100 / 100
 119 ms 24824 KB 
#include <bits/stdc++.h>
#define ll long long
#define mp make_pair
#define pb push_back
#define ld long double
#define pll pair<ll,ll>
#define y1 Enkognit
#define fi first
#define se second
#define pld pair<ld,ld>

using namespace std;

const ll MOD=1000000007;

ll l, r, n, m, k, x, y, a[1000001], bst[1000001], pr[1000001];
pll dp[1000001];
ll tt[1000001];
vector <ll> an;

ll binpow(ll h,ll r)
{
    ll l=1;
    while (r)
    {
        if (r&1) l*=h,l%=MOD;
        h*=h;
        h%=MOD;
        r/=2;
    }
    return l;
}


int main()
{
    ios::sync_with_stdio(0);
    cin >> n;
    for (ll i = 1; i <= n; i++) {cin >> a[i];pr[i]=pr[i-1]+a[i];}
    ll lr=0;
    for (ll i = 1; i <= n; i++)
    {
        lr=max(lr,bst[i]);
        dp[i]=mp(pr[i]-pr[lr],dp[lr].se+1);
        if (pr[n]-pr[i]>=dp[i].fi)
        {
            ll l=i+1, r=n;
            while (l<r)
            {
                ll w=(l+r)/2;
                if (pr[w]-pr[i]>=dp[i].fi) r=w; else l=w+1;
            }
            bst[l]=max(bst[l],i);
        }
    }
    cout << dp[n].se;
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 396 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 396 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 420 KB Output is correct
19 Correct 2 ms 424 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 396 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 420 KB Output is correct
19 Correct 2 ms 424 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 3 ms 508 KB Output is correct
36 Correct 3 ms 504 KB Output is correct
37 Correct 3 ms 508 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 2 ms 508 KB Output is correct
42 Correct 2 ms 520 KB Output is correct
43 Correct 3 ms 508 KB Output is correct
44 Correct 2 ms 504 KB Output is correct
45 Correct 3 ms 504 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 396 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 420 KB Output is correct
19 Correct 2 ms 424 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 3 ms 508 KB Output is correct
36 Correct 3 ms 504 KB Output is correct
37 Correct 3 ms 508 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 2 ms 508 KB Output is correct
42 Correct 2 ms 520 KB Output is correct
43 Correct 3 ms 508 KB Output is correct
44 Correct 2 ms 504 KB Output is correct
45 Correct 3 ms 504 KB Output is correct
46 Correct 14 ms 3896 KB Output is correct
47 Correct 21 ms 4600 KB Output is correct
48 Correct 23 ms 5112 KB Output is correct
49 Correct 23 ms 5140 KB Output is correct
50 Correct 23 ms 5240 KB Output is correct
51 Correct 25 ms 5212 KB Output is correct
52 Correct 13 ms 2808 KB Output is correct
53 Correct 9 ms 1912 KB Output is correct
54 Correct 18 ms 4472 KB Output is correct
55 Correct 24 ms 5240 KB Output is correct
56 Correct 18 ms 4728 KB Output is correct
57 Correct 18 ms 4344 KB Output is correct
58 Correct 19 ms 4600 KB Output is correct
59 Correct 19 ms 4852 KB Output is correct
60 Correct 19 ms 4828 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 396 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 420 KB Output is correct
19 Correct 2 ms 424 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 3 ms 508 KB Output is correct
36 Correct 3 ms 504 KB Output is correct
37 Correct 3 ms 508 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 2 ms 508 KB Output is correct
42 Correct 2 ms 520 KB Output is correct
43 Correct 3 ms 508 KB Output is correct
44 Correct 2 ms 504 KB Output is correct
45 Correct 3 ms 504 KB Output is correct
46 Correct 14 ms 3896 KB Output is correct
47 Correct 21 ms 4600 KB Output is correct
48 Correct 23 ms 5112 KB Output is correct
49 Correct 23 ms 5140 KB Output is correct
50 Correct 23 ms 5240 KB Output is correct
51 Correct 25 ms 5212 KB Output is correct
52 Correct 13 ms 2808 KB Output is correct
53 Correct 9 ms 1912 KB Output is correct
54 Correct 18 ms 4472 KB Output is correct
55 Correct 24 ms 5240 KB Output is correct
56 Correct 18 ms 4728 KB Output is correct
57 Correct 18 ms 4344 KB Output is correct
58 Correct 19 ms 4600 KB Output is correct
59 Correct 19 ms 4852 KB Output is correct
60 Correct 19 ms 4828 KB Output is correct
61 Correct 61 ms 17992 KB Output is correct
62 Correct 83 ms 19972 KB Output is correct
63 Correct 99 ms 21112 KB Output is correct
64 Correct 112 ms 24440 KB Output is correct
65 Correct 110 ms 24768 KB Output is correct
66 Correct 119 ms 24780 KB Output is correct
67 Correct 96 ms 19944 KB Output is correct
68 Correct 48 ms 10072 KB Output is correct
69 Correct 82 ms 20984 KB Output is correct
70 Correct 113 ms 24824 KB Output is correct
71 Correct 81 ms 21880 KB Output is correct
72 Correct 90 ms 20728 KB Output is correct
73 Correct 93 ms 22300 KB Output is correct
74 Correct 94 ms 23292 KB Output is correct
75 Correct 94 ms 23220 KB Output is correct