Submission #242100

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
242100	2020-06-26T19:19:58 Z	valerikk	Bigger segments (IZhO19_segments)	C++17	100 / 100	259 ms	29048 KB

segments

#include<bits/stdc++.h>
using namespace std;

#define int long long 

const int N = 5e5 + 7;

int t[4 * N];

void upd(int v, int l, int r, int ind, int val){
    if(r - l == 1)
        t[v] = val;
    else{
        int mid = (l + r) / 2;
        if(ind < mid){
            upd(2 * v, l, mid, ind, val);
        } else{
            upd(2 * v + 1, mid, r, ind, val);
        }
        t[v] = min(t[2 * v], t[2 * v + 1]);
    }
}

int get_ind(int v, int tl, int tr, int l, int r, int mx) {
    if(tl >= r || tr <= l || t[v] > mx)
        return -1;
    if(tr - tl == 1)
        return tl;
    int tm = (tl + tr) / 2;
    int ind = get_ind(2 * v + 1, tm, tr, l, r, mx);
    if(ind == -1)
        ind = get_ind(2 * v, tl, tm, l, r, mx);
    return ind;
}

int n, a[N], pref[N], cnt[N], lst[N];

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin >> n;
    for(int i = 0; i < n; ++i){
        cin >> a[i];
        pref[i + 1] = pref[i] + a[i];
    }
    for(int i = 1; i <= n; ++i){
        int ind = get_ind(1, 0, n, 0, i, pref[i]);
        cnt[i] = cnt[ind] + 1;
        lst[i] = pref[i] - pref[ind];
        upd(1, 0, n, i, lst[i] + pref[i]);
    }
    cout << cnt[n];
    return 0;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	512 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	392 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	512 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	392 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	512 KB	Output is correct
32	Correct	6 ms	512 KB	Output is correct
33	Correct	6 ms	512 KB	Output is correct
34	Correct	6 ms	512 KB	Output is correct
35	Correct	6 ms	512 KB	Output is correct
36	Correct	7 ms	640 KB	Output is correct
37	Correct	6 ms	512 KB	Output is correct
38	Correct	6 ms	512 KB	Output is correct
39	Correct	6 ms	512 KB	Output is correct
40	Correct	6 ms	512 KB	Output is correct
41	Correct	5 ms	512 KB	Output is correct
42	Correct	7 ms	512 KB	Output is correct
43	Correct	6 ms	512 KB	Output is correct
44	Correct	5 ms	512 KB	Output is correct
45	Correct	7 ms	512 KB	Output is correct

Subtask #4
36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	512 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	392 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	512 KB	Output is correct
32	Correct	6 ms	512 KB	Output is correct
33	Correct	6 ms	512 KB	Output is correct
34	Correct	6 ms	512 KB	Output is correct
35	Correct	6 ms	512 KB	Output is correct
36	Correct	7 ms	640 KB	Output is correct
37	Correct	6 ms	512 KB	Output is correct
38	Correct	6 ms	512 KB	Output is correct
39	Correct	6 ms	512 KB	Output is correct
40	Correct	6 ms	512 KB	Output is correct
41	Correct	5 ms	512 KB	Output is correct
42	Correct	7 ms	512 KB	Output is correct
43	Correct	6 ms	512 KB	Output is correct
44	Correct	5 ms	512 KB	Output is correct
45	Correct	7 ms	512 KB	Output is correct
46	Correct	45 ms	5880 KB	Output is correct
47	Correct	45 ms	6008 KB	Output is correct
48	Correct	47 ms	6392 KB	Output is correct
49	Correct	48 ms	6520 KB	Output is correct
50	Correct	47 ms	6648 KB	Output is correct
51	Correct	52 ms	6484 KB	Output is correct
52	Correct	27 ms	3448 KB	Output is correct
53	Correct	17 ms	2176 KB	Output is correct
54	Correct	45 ms	5744 KB	Output is correct
55	Correct	53 ms	6520 KB	Output is correct
56	Correct	38 ms	6008 KB	Output is correct
57	Correct	42 ms	6012 KB	Output is correct
58	Correct	43 ms	6008 KB	Output is correct
59	Correct	40 ms	6136 KB	Output is correct
60	Correct	45 ms	6136 KB	Output is correct

Subtask #5
27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	512 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	392 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	5 ms	384 KB	Output is correct
31	Correct	5 ms	512 KB	Output is correct
32	Correct	6 ms	512 KB	Output is correct
33	Correct	6 ms	512 KB	Output is correct
34	Correct	6 ms	512 KB	Output is correct
35	Correct	6 ms	512 KB	Output is correct
36	Correct	7 ms	640 KB	Output is correct
37	Correct	6 ms	512 KB	Output is correct
38	Correct	6 ms	512 KB	Output is correct
39	Correct	6 ms	512 KB	Output is correct
40	Correct	6 ms	512 KB	Output is correct
41	Correct	5 ms	512 KB	Output is correct
42	Correct	7 ms	512 KB	Output is correct
43	Correct	6 ms	512 KB	Output is correct
44	Correct	5 ms	512 KB	Output is correct
45	Correct	7 ms	512 KB	Output is correct
46	Correct	45 ms	5880 KB	Output is correct
47	Correct	45 ms	6008 KB	Output is correct
48	Correct	47 ms	6392 KB	Output is correct
49	Correct	48 ms	6520 KB	Output is correct
50	Correct	47 ms	6648 KB	Output is correct
51	Correct	52 ms	6484 KB	Output is correct
52	Correct	27 ms	3448 KB	Output is correct
53	Correct	17 ms	2176 KB	Output is correct
54	Correct	45 ms	5744 KB	Output is correct
55	Correct	53 ms	6520 KB	Output is correct
56	Correct	38 ms	6008 KB	Output is correct
57	Correct	42 ms	6012 KB	Output is correct
58	Correct	43 ms	6008 KB	Output is correct
59	Correct	40 ms	6136 KB	Output is correct
60	Correct	45 ms	6136 KB	Output is correct
61	Correct	228 ms	26104 KB	Output is correct
62	Correct	224 ms	26108 KB	Output is correct
63	Correct	259 ms	26592 KB	Output is correct
64	Correct	228 ms	28792 KB	Output is correct
65	Correct	210 ms	29048 KB	Output is correct
66	Correct	251 ms	29048 KB	Output is correct
67	Correct	201 ms	24952 KB	Output is correct
68	Correct	96 ms	12664 KB	Output is correct
69	Correct	210 ms	25208 KB	Output is correct
70	Correct	239 ms	29024 KB	Output is correct
71	Correct	173 ms	26244 KB	Output is correct
72	Correct	203 ms	26488 KB	Output is correct
73	Correct	209 ms	27128 KB	Output is correct
74	Correct	193 ms	27512 KB	Output is correct
75	Correct	209 ms	27512 KB	Output is correct

Submission #242100

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 27.0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
27.0 / 27.0