답안 #861716

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
861716	2023-10-16T17:34:14 Z	Dec0Dedd	Bigger segments (IZhO19_segments)	C++14	100 / 100	120 ms	98284 KB

segments

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> pii;

const int N = 5e5+10;
const int K = 20;
const ll INF = 1e18;

ll a[N], p[N], x[N], lg[N], st[K][N], dp[N], n;

ll que(int l, int r) {
    int i=lg[l-r+1];
    return min(st[i][l], st[i][r+(1<<i)-1]);
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    
    cin>>n;
    for (int i=1; i<=n; ++i) cin>>a[i], p[i]=p[i-1]+a[i];

    lg[1]=0;
    for (int i=2; i<N; ++i) lg[i]=lg[i/2]+1;

    for (int i=1; i<=n; ++i) {
        for (int j=0; j<K; ++j) st[j][i]=INF;
    }

    for (int j=1; j<K; ++j) st[j][1]=0;
    st[0][1]=2*p[1], dp[1]=1, x[1]=2*p[1];
    for (int i=2; i<=n; ++i) {
        int l=1, r=i-1, res=0;
        while (l <= r) {
            int m=(l+r)/2;
            if (que(i-1, m) <= p[i]) l=m+1, res=m;
            else r=m-1;
        } x[i]=p[i]-p[res]+p[i];
        dp[i]=dp[res]+1;

        st[0][i]=x[i];
        for (int j=1; j<K; ++j) {
            st[j][i]=min(st[j-1][i], i-(1<<(j-1)) >= 0 ? st[j-1][i-(1<<(j-1))] : 0);
        }
    }

    cout<<dp[n]<<"\n";
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	49500 KB	Output is correct
2	Correct	5 ms	49496 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49708 KB	Output is correct
5	Correct	5 ms	49500 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	6 ms	49500 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49500 KB	Output is correct
10	Correct	5 ms	49500 KB	Output is correct
11	Correct	5 ms	49500 KB	Output is correct
12	Correct	5 ms	49500 KB	Output is correct
13	Correct	5 ms	49500 KB	Output is correct
14	Correct	5 ms	49500 KB	Output is correct
15	Correct	5 ms	49500 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	49500 KB	Output is correct
2	Correct	5 ms	49496 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49708 KB	Output is correct
5	Correct	5 ms	49500 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	6 ms	49500 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49500 KB	Output is correct
10	Correct	5 ms	49500 KB	Output is correct
11	Correct	5 ms	49500 KB	Output is correct
12	Correct	5 ms	49500 KB	Output is correct
13	Correct	5 ms	49500 KB	Output is correct
14	Correct	5 ms	49500 KB	Output is correct
15	Correct	5 ms	49500 KB	Output is correct
16	Correct	6 ms	49500 KB	Output is correct
17	Correct	5 ms	49500 KB	Output is correct
18	Correct	5 ms	49684 KB	Output is correct
19	Correct	6 ms	49500 KB	Output is correct
20	Correct	5 ms	49500 KB	Output is correct
21	Correct	6 ms	49660 KB	Output is correct
22	Correct	5 ms	49500 KB	Output is correct
23	Correct	5 ms	49500 KB	Output is correct
24	Correct	6 ms	49932 KB	Output is correct
25	Correct	6 ms	49500 KB	Output is correct
26	Correct	6 ms	49500 KB	Output is correct
27	Correct	5 ms	49500 KB	Output is correct
28	Correct	5 ms	49500 KB	Output is correct
29	Correct	5 ms	49500 KB	Output is correct
30	Correct	5 ms	49696 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	49500 KB	Output is correct
2	Correct	5 ms	49496 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49708 KB	Output is correct
5	Correct	5 ms	49500 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	6 ms	49500 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49500 KB	Output is correct
10	Correct	5 ms	49500 KB	Output is correct
11	Correct	5 ms	49500 KB	Output is correct
12	Correct	5 ms	49500 KB	Output is correct
13	Correct	5 ms	49500 KB	Output is correct
14	Correct	5 ms	49500 KB	Output is correct
15	Correct	5 ms	49500 KB	Output is correct
16	Correct	6 ms	49500 KB	Output is correct
17	Correct	5 ms	49500 KB	Output is correct
18	Correct	5 ms	49684 KB	Output is correct
19	Correct	6 ms	49500 KB	Output is correct
20	Correct	5 ms	49500 KB	Output is correct
21	Correct	6 ms	49660 KB	Output is correct
22	Correct	5 ms	49500 KB	Output is correct
23	Correct	5 ms	49500 KB	Output is correct
24	Correct	6 ms	49932 KB	Output is correct
25	Correct	6 ms	49500 KB	Output is correct
26	Correct	6 ms	49500 KB	Output is correct
27	Correct	5 ms	49500 KB	Output is correct
28	Correct	5 ms	49500 KB	Output is correct
29	Correct	5 ms	49500 KB	Output is correct
30	Correct	5 ms	49696 KB	Output is correct
31	Correct	6 ms	49756 KB	Output is correct
32	Correct	6 ms	49580 KB	Output is correct
33	Correct	6 ms	49756 KB	Output is correct
34	Correct	7 ms	49756 KB	Output is correct
35	Correct	6 ms	49712 KB	Output is correct
36	Correct	6 ms	49752 KB	Output is correct
37	Correct	6 ms	49756 KB	Output is correct
38	Correct	6 ms	49756 KB	Output is correct
39	Correct	6 ms	49756 KB	Output is correct
40	Correct	6 ms	49756 KB	Output is correct
41	Correct	6 ms	49756 KB	Output is correct
42	Correct	6 ms	49756 KB	Output is correct
43	Correct	6 ms	49756 KB	Output is correct
44	Correct	6 ms	49756 KB	Output is correct
45	Correct	6 ms	49752 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	49500 KB	Output is correct
2	Correct	5 ms	49496 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49708 KB	Output is correct
5	Correct	5 ms	49500 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	6 ms	49500 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49500 KB	Output is correct
10	Correct	5 ms	49500 KB	Output is correct
11	Correct	5 ms	49500 KB	Output is correct
12	Correct	5 ms	49500 KB	Output is correct
13	Correct	5 ms	49500 KB	Output is correct
14	Correct	5 ms	49500 KB	Output is correct
15	Correct	5 ms	49500 KB	Output is correct
16	Correct	6 ms	49500 KB	Output is correct
17	Correct	5 ms	49500 KB	Output is correct
18	Correct	5 ms	49684 KB	Output is correct
19	Correct	6 ms	49500 KB	Output is correct
20	Correct	5 ms	49500 KB	Output is correct
21	Correct	6 ms	49660 KB	Output is correct
22	Correct	5 ms	49500 KB	Output is correct
23	Correct	5 ms	49500 KB	Output is correct
24	Correct	6 ms	49932 KB	Output is correct
25	Correct	6 ms	49500 KB	Output is correct
26	Correct	6 ms	49500 KB	Output is correct
27	Correct	5 ms	49500 KB	Output is correct
28	Correct	5 ms	49500 KB	Output is correct
29	Correct	5 ms	49500 KB	Output is correct
30	Correct	5 ms	49696 KB	Output is correct
31	Correct	6 ms	49756 KB	Output is correct
32	Correct	6 ms	49580 KB	Output is correct
33	Correct	6 ms	49756 KB	Output is correct
34	Correct	7 ms	49756 KB	Output is correct
35	Correct	6 ms	49712 KB	Output is correct
36	Correct	6 ms	49752 KB	Output is correct
37	Correct	6 ms	49756 KB	Output is correct
38	Correct	6 ms	49756 KB	Output is correct
39	Correct	6 ms	49756 KB	Output is correct
40	Correct	6 ms	49756 KB	Output is correct
41	Correct	6 ms	49756 KB	Output is correct
42	Correct	6 ms	49756 KB	Output is correct
43	Correct	6 ms	49756 KB	Output is correct
44	Correct	6 ms	49756 KB	Output is correct
45	Correct	6 ms	49752 KB	Output is correct
46	Correct	21 ms	72796 KB	Output is correct
47	Correct	25 ms	72924 KB	Output is correct
48	Correct	23 ms	72792 KB	Output is correct
49	Correct	23 ms	72784 KB	Output is correct
50	Correct	23 ms	72796 KB	Output is correct
51	Correct	24 ms	72872 KB	Output is correct
52	Correct	14 ms	60508 KB	Output is correct
53	Correct	10 ms	56272 KB	Output is correct
54	Correct	21 ms	72792 KB	Output is correct
55	Correct	24 ms	72900 KB	Output is correct
56	Correct	21 ms	72796 KB	Output is correct
57	Correct	24 ms	72796 KB	Output is correct
58	Correct	21 ms	72792 KB	Output is correct
59	Correct	21 ms	72796 KB	Output is correct
60	Correct	21 ms	72792 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	49500 KB	Output is correct
2	Correct	5 ms	49496 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49708 KB	Output is correct
5	Correct	5 ms	49500 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	6 ms	49500 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49500 KB	Output is correct
10	Correct	5 ms	49500 KB	Output is correct
11	Correct	5 ms	49500 KB	Output is correct
12	Correct	5 ms	49500 KB	Output is correct
13	Correct	5 ms	49500 KB	Output is correct
14	Correct	5 ms	49500 KB	Output is correct
15	Correct	5 ms	49500 KB	Output is correct
16	Correct	6 ms	49500 KB	Output is correct
17	Correct	5 ms	49500 KB	Output is correct
18	Correct	5 ms	49684 KB	Output is correct
19	Correct	6 ms	49500 KB	Output is correct
20	Correct	5 ms	49500 KB	Output is correct
21	Correct	6 ms	49660 KB	Output is correct
22	Correct	5 ms	49500 KB	Output is correct
23	Correct	5 ms	49500 KB	Output is correct
24	Correct	6 ms	49932 KB	Output is correct
25	Correct	6 ms	49500 KB	Output is correct
26	Correct	6 ms	49500 KB	Output is correct
27	Correct	5 ms	49500 KB	Output is correct
28	Correct	5 ms	49500 KB	Output is correct
29	Correct	5 ms	49500 KB	Output is correct
30	Correct	5 ms	49696 KB	Output is correct
31	Correct	6 ms	49756 KB	Output is correct
32	Correct	6 ms	49580 KB	Output is correct
33	Correct	6 ms	49756 KB	Output is correct
34	Correct	7 ms	49756 KB	Output is correct
35	Correct	6 ms	49712 KB	Output is correct
36	Correct	6 ms	49752 KB	Output is correct
37	Correct	6 ms	49756 KB	Output is correct
38	Correct	6 ms	49756 KB	Output is correct
39	Correct	6 ms	49756 KB	Output is correct
40	Correct	6 ms	49756 KB	Output is correct
41	Correct	6 ms	49756 KB	Output is correct
42	Correct	6 ms	49756 KB	Output is correct
43	Correct	6 ms	49756 KB	Output is correct
44	Correct	6 ms	49756 KB	Output is correct
45	Correct	6 ms	49752 KB	Output is correct
46	Correct	21 ms	72796 KB	Output is correct
47	Correct	25 ms	72924 KB	Output is correct
48	Correct	23 ms	72792 KB	Output is correct
49	Correct	23 ms	72784 KB	Output is correct
50	Correct	23 ms	72796 KB	Output is correct
51	Correct	24 ms	72872 KB	Output is correct
52	Correct	14 ms	60508 KB	Output is correct
53	Correct	10 ms	56272 KB	Output is correct
54	Correct	21 ms	72792 KB	Output is correct
55	Correct	24 ms	72900 KB	Output is correct
56	Correct	21 ms	72796 KB	Output is correct
57	Correct	24 ms	72796 KB	Output is correct
58	Correct	21 ms	72792 KB	Output is correct
59	Correct	21 ms	72796 KB	Output is correct
60	Correct	21 ms	72792 KB	Output is correct
61	Correct	101 ms	98284 KB	Output is correct
62	Correct	105 ms	98132 KB	Output is correct
63	Correct	109 ms	98128 KB	Output is correct
64	Correct	107 ms	98260 KB	Output is correct
65	Correct	114 ms	98284 KB	Output is correct
66	Correct	120 ms	98228 KB	Output is correct
67	Correct	86 ms	96680 KB	Output is correct
68	Correct	45 ms	91224 KB	Output is correct
69	Correct	97 ms	98228 KB	Output is correct
70	Correct	107 ms	98148 KB	Output is correct
71	Correct	90 ms	98256 KB	Output is correct
72	Correct	99 ms	98220 KB	Output is correct
73	Correct	96 ms	98132 KB	Output is correct
74	Correct	112 ms	98032 KB	Output is correct
75	Correct	95 ms	98204 KB	Output is correct

답안 #861716

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