oj.uz

Submission #146473

# Submission time Handle Problem Language Result Execution time Memory
146473 2019-08-24T08:49:22 Z achibasadzishvili Bigger segments (IZhO19_segments) C++14
100 / 100
 178 ms 44372 KB 
#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pb push_back
using namespace std;
ll n,a[500005],s[500005],ans[500005],ind;
vector<pair<ll,ll> >v[500005];
int main(){
    ios::sync_with_stdio(false);
    cin >> n;
    
    for(int i=1; i<=n; i++){
        cin >> a[i];
        s[i] = s[i - 1] + a[i];
    }
    pair<ll,ll> p = make_pair(0 , 0);
    for(int i=1; i<=n; i++){
        for(int j=0; j<v[i].size(); j++)
            if(v[i][j].f > p.f)
                p = v[i][j];
            else if(v[i][j].f == p.f)
                    p = max(p , v[i][j]);
        ind = p.s;
        ans[i] = ans[ind] + 1;
        pair<ll,ll> ne = make_pair(ans[i] , i);
        ll l = i + 1,r = n,mid,ik = -1;
        while(r >= l){
            mid = (l + r) / 2;
            if(s[mid] - s[i] >= s[i] - s[ind]){
                r = mid - 1;
                ik = mid;
            }
            else {
                l = mid + 1;
            }
        }
        if(ik != -1){
            v[ik].pb(ne);
        }
    }
    
    
    cout << ans[n] << endl;
    
    
    
    
    return 0;
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:19:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=0; j<v[i].size(); j++)
                      ~^~~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 12024 KB Output is correct
2 Correct 13 ms 12152 KB Output is correct
3 Correct 13 ms 12152 KB Output is correct
4 Correct 13 ms 12024 KB Output is correct
5 Correct 13 ms 12152 KB Output is correct
6 Correct 13 ms 12152 KB Output is correct
7 Correct 13 ms 12152 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 13 ms 12280 KB Output is correct
10 Correct 16 ms 12152 KB Output is correct
11 Correct 13 ms 12152 KB Output is correct
12 Correct 16 ms 12152 KB Output is correct
13 Correct 13 ms 12024 KB Output is correct
14 Correct 13 ms 12024 KB Output is correct
15 Correct 13 ms 12024 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 12024 KB Output is correct
2 Correct 13 ms 12152 KB Output is correct
3 Correct 13 ms 12152 KB Output is correct
4 Correct 13 ms 12024 KB Output is correct
5 Correct 13 ms 12152 KB Output is correct
6 Correct 13 ms 12152 KB Output is correct
7 Correct 13 ms 12152 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 13 ms 12280 KB Output is correct
10 Correct 16 ms 12152 KB Output is correct
11 Correct 13 ms 12152 KB Output is correct
12 Correct 16 ms 12152 KB Output is correct
13 Correct 13 ms 12024 KB Output is correct
14 Correct 13 ms 12024 KB Output is correct
15 Correct 13 ms 12024 KB Output is correct
16 Correct 13 ms 12152 KB Output is correct
17 Correct 13 ms 12152 KB Output is correct
18 Correct 13 ms 12124 KB Output is correct
19 Correct 13 ms 12152 KB Output is correct
20 Correct 13 ms 12152 KB Output is correct
21 Correct 15 ms 12024 KB Output is correct
22 Correct 13 ms 12124 KB Output is correct
23 Correct 13 ms 12152 KB Output is correct
24 Correct 13 ms 12152 KB Output is correct
25 Correct 13 ms 12152 KB Output is correct
26 Correct 13 ms 12088 KB Output is correct
27 Correct 13 ms 12152 KB Output is correct
28 Correct 13 ms 12152 KB Output is correct
29 Correct 13 ms 12152 KB Output is correct
30 Correct 13 ms 12152 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 12024 KB Output is correct
2 Correct 13 ms 12152 KB Output is correct
3 Correct 13 ms 12152 KB Output is correct
4 Correct 13 ms 12024 KB Output is correct
5 Correct 13 ms 12152 KB Output is correct
6 Correct 13 ms 12152 KB Output is correct
7 Correct 13 ms 12152 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 13 ms 12280 KB Output is correct
10 Correct 16 ms 12152 KB Output is correct
11 Correct 13 ms 12152 KB Output is correct
12 Correct 16 ms 12152 KB Output is correct
13 Correct 13 ms 12024 KB Output is correct
14 Correct 13 ms 12024 KB Output is correct
15 Correct 13 ms 12024 KB Output is correct
16 Correct 13 ms 12152 KB Output is correct
17 Correct 13 ms 12152 KB Output is correct
18 Correct 13 ms 12124 KB Output is correct
19 Correct 13 ms 12152 KB Output is correct
20 Correct 13 ms 12152 KB Output is correct
21 Correct 15 ms 12024 KB Output is correct
22 Correct 13 ms 12124 KB Output is correct
23 Correct 13 ms 12152 KB Output is correct
24 Correct 13 ms 12152 KB Output is correct
25 Correct 13 ms 12152 KB Output is correct
26 Correct 13 ms 12088 KB Output is correct
27 Correct 13 ms 12152 KB Output is correct
28 Correct 13 ms 12152 KB Output is correct
29 Correct 13 ms 12152 KB Output is correct
30 Correct 13 ms 12152 KB Output is correct
31 Correct 14 ms 12152 KB Output is correct
32 Correct 14 ms 12280 KB Output is correct
33 Correct 14 ms 12280 KB Output is correct
34 Correct 14 ms 12284 KB Output is correct
35 Correct 14 ms 12280 KB Output is correct
36 Correct 18 ms 12280 KB Output is correct
37 Correct 15 ms 12280 KB Output is correct
38 Correct 16 ms 12232 KB Output is correct
39 Correct 14 ms 12280 KB Output is correct
40 Correct 14 ms 12252 KB Output is correct
41 Correct 14 ms 12280 KB Output is correct
42 Correct 14 ms 12280 KB Output is correct
43 Correct 14 ms 12280 KB Output is correct
44 Correct 14 ms 12280 KB Output is correct
45 Correct 14 ms 12280 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 12024 KB Output is correct
2 Correct 13 ms 12152 KB Output is correct
3 Correct 13 ms 12152 KB Output is correct
4 Correct 13 ms 12024 KB Output is correct
5 Correct 13 ms 12152 KB Output is correct
6 Correct 13 ms 12152 KB Output is correct
7 Correct 13 ms 12152 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 13 ms 12280 KB Output is correct
10 Correct 16 ms 12152 KB Output is correct
11 Correct 13 ms 12152 KB Output is correct
12 Correct 16 ms 12152 KB Output is correct
13 Correct 13 ms 12024 KB Output is correct
14 Correct 13 ms 12024 KB Output is correct
15 Correct 13 ms 12024 KB Output is correct
16 Correct 13 ms 12152 KB Output is correct
17 Correct 13 ms 12152 KB Output is correct
18 Correct 13 ms 12124 KB Output is correct
19 Correct 13 ms 12152 KB Output is correct
20 Correct 13 ms 12152 KB Output is correct
21 Correct 15 ms 12024 KB Output is correct
22 Correct 13 ms 12124 KB Output is correct
23 Correct 13 ms 12152 KB Output is correct
24 Correct 13 ms 12152 KB Output is correct
25 Correct 13 ms 12152 KB Output is correct
26 Correct 13 ms 12088 KB Output is correct
27 Correct 13 ms 12152 KB Output is correct
28 Correct 13 ms 12152 KB Output is correct
29 Correct 13 ms 12152 KB Output is correct
30 Correct 13 ms 12152 KB Output is correct
31 Correct 14 ms 12152 KB Output is correct
32 Correct 14 ms 12280 KB Output is correct
33 Correct 14 ms 12280 KB Output is correct
34 Correct 14 ms 12284 KB Output is correct
35 Correct 14 ms 12280 KB Output is correct
36 Correct 18 ms 12280 KB Output is correct
37 Correct 15 ms 12280 KB Output is correct
38 Correct 16 ms 12232 KB Output is correct
39 Correct 14 ms 12280 KB Output is correct
40 Correct 14 ms 12252 KB Output is correct
41 Correct 14 ms 12280 KB Output is correct
42 Correct 14 ms 12280 KB Output is correct
43 Correct 14 ms 12280 KB Output is correct
44 Correct 14 ms 12280 KB Output is correct
45 Correct 14 ms 12280 KB Output is correct
46 Correct 29 ms 14840 KB Output is correct
47 Correct 39 ms 17272 KB Output is correct
48 Correct 43 ms 17784 KB Output is correct
49 Correct 40 ms 18168 KB Output is correct
50 Correct 40 ms 18552 KB Output is correct
51 Correct 47 ms 17976 KB Output is correct
52 Correct 29 ms 15096 KB Output is correct
53 Correct 21 ms 13944 KB Output is correct
54 Correct 39 ms 17272 KB Output is correct
55 Correct 47 ms 18348 KB Output is correct
56 Correct 35 ms 18040 KB Output is correct
57 Correct 34 ms 17268 KB Output is correct
58 Correct 41 ms 17644 KB Output is correct
59 Correct 36 ms 18168 KB Output is correct
60 Correct 37 ms 18168 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 12024 KB Output is correct
2 Correct 13 ms 12152 KB Output is correct
3 Correct 13 ms 12152 KB Output is correct
4 Correct 13 ms 12024 KB Output is correct
5 Correct 13 ms 12152 KB Output is correct
6 Correct 13 ms 12152 KB Output is correct
7 Correct 13 ms 12152 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 13 ms 12280 KB Output is correct
10 Correct 16 ms 12152 KB Output is correct
11 Correct 13 ms 12152 KB Output is correct
12 Correct 16 ms 12152 KB Output is correct
13 Correct 13 ms 12024 KB Output is correct
14 Correct 13 ms 12024 KB Output is correct
15 Correct 13 ms 12024 KB Output is correct
16 Correct 13 ms 12152 KB Output is correct
17 Correct 13 ms 12152 KB Output is correct
18 Correct 13 ms 12124 KB Output is correct
19 Correct 13 ms 12152 KB Output is correct
20 Correct 13 ms 12152 KB Output is correct
21 Correct 15 ms 12024 KB Output is correct
22 Correct 13 ms 12124 KB Output is correct
23 Correct 13 ms 12152 KB Output is correct
24 Correct 13 ms 12152 KB Output is correct
25 Correct 13 ms 12152 KB Output is correct
26 Correct 13 ms 12088 KB Output is correct
27 Correct 13 ms 12152 KB Output is correct
28 Correct 13 ms 12152 KB Output is correct
29 Correct 13 ms 12152 KB Output is correct
30 Correct 13 ms 12152 KB Output is correct
31 Correct 14 ms 12152 KB Output is correct
32 Correct 14 ms 12280 KB Output is correct
33 Correct 14 ms 12280 KB Output is correct
34 Correct 14 ms 12284 KB Output is correct
35 Correct 14 ms 12280 KB Output is correct
36 Correct 18 ms 12280 KB Output is correct
37 Correct 15 ms 12280 KB Output is correct
38 Correct 16 ms 12232 KB Output is correct
39 Correct 14 ms 12280 KB Output is correct
40 Correct 14 ms 12252 KB Output is correct
41 Correct 14 ms 12280 KB Output is correct
42 Correct 14 ms 12280 KB Output is correct
43 Correct 14 ms 12280 KB Output is correct
44 Correct 14 ms 12280 KB Output is correct
45 Correct 14 ms 12280 KB Output is correct
46 Correct 29 ms 14840 KB Output is correct
47 Correct 39 ms 17272 KB Output is correct
48 Correct 43 ms 17784 KB Output is correct
49 Correct 40 ms 18168 KB Output is correct
50 Correct 40 ms 18552 KB Output is correct
51 Correct 47 ms 17976 KB Output is correct
52 Correct 29 ms 15096 KB Output is correct
53 Correct 21 ms 13944 KB Output is correct
54 Correct 39 ms 17272 KB Output is correct
55 Correct 47 ms 18348 KB Output is correct
56 Correct 35 ms 18040 KB Output is correct
57 Correct 34 ms 17268 KB Output is correct
58 Correct 41 ms 17644 KB Output is correct
59 Correct 36 ms 18168 KB Output is correct
60 Correct 37 ms 18168 KB Output is correct
61 Correct 88 ms 25840 KB Output is correct
62 Correct 108 ms 30796 KB Output is correct
63 Correct 136 ms 37400 KB Output is correct
64 Correct 160 ms 42232 KB Output is correct
65 Correct 151 ms 44372 KB Output is correct
66 Correct 178 ms 41848 KB Output is correct
67 Correct 151 ms 35864 KB Output is correct
68 Correct 83 ms 24016 KB Output is correct
69 Correct 165 ms 37880 KB Output is correct
70 Correct 155 ms 43260 KB Output is correct
71 Correct 123 ms 41464 KB Output is correct
72 Correct 128 ms 38816 KB Output is correct
73 Correct 134 ms 41324 KB Output is correct
74 Correct 137 ms 42832 KB Output is correct
75 Correct 136 ms 42848 KB Output is correct