답안 #861715

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
861715	2023-10-16T17:33:43 Z	Dec0Dedd	Bigger segments (IZhO19_segments)	C++14	100 / 100	214 ms	102992 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() {
    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	5 ms	49500 KB	Output is correct
2	Correct	5 ms	49596 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49500 KB	Output is correct
5	Correct	5 ms	49628 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	5 ms	49496 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49636 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	49496 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	5 ms	49500 KB	Output is correct
2	Correct	5 ms	49596 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49500 KB	Output is correct
5	Correct	5 ms	49628 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	5 ms	49496 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49636 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	49496 KB	Output is correct
15	Correct	5 ms	49500 KB	Output is correct
16	Correct	5 ms	49500 KB	Output is correct
17	Correct	5 ms	49596 KB	Output is correct
18	Correct	6 ms	49624 KB	Output is correct
19	Correct	6 ms	49500 KB	Output is correct
20	Correct	5 ms	49596 KB	Output is correct
21	Correct	5 ms	49500 KB	Output is correct
22	Correct	6 ms	49688 KB	Output is correct
23	Correct	6 ms	49500 KB	Output is correct
24	Correct	5 ms	49596 KB	Output is correct
25	Correct	6 ms	49496 KB	Output is correct
26	Correct	5 ms	49500 KB	Output is correct
27	Correct	6 ms	49500 KB	Output is correct
28	Correct	5 ms	49500 KB	Output is correct
29	Correct	5 ms	49708 KB	Output is correct
30	Correct	5 ms	49704 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	49500 KB	Output is correct
2	Correct	5 ms	49596 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49500 KB	Output is correct
5	Correct	5 ms	49628 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	5 ms	49496 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49636 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	49496 KB	Output is correct
15	Correct	5 ms	49500 KB	Output is correct
16	Correct	5 ms	49500 KB	Output is correct
17	Correct	5 ms	49596 KB	Output is correct
18	Correct	6 ms	49624 KB	Output is correct
19	Correct	6 ms	49500 KB	Output is correct
20	Correct	5 ms	49596 KB	Output is correct
21	Correct	5 ms	49500 KB	Output is correct
22	Correct	6 ms	49688 KB	Output is correct
23	Correct	6 ms	49500 KB	Output is correct
24	Correct	5 ms	49596 KB	Output is correct
25	Correct	6 ms	49496 KB	Output is correct
26	Correct	5 ms	49500 KB	Output is correct
27	Correct	6 ms	49500 KB	Output is correct
28	Correct	5 ms	49500 KB	Output is correct
29	Correct	5 ms	49708 KB	Output is correct
30	Correct	5 ms	49704 KB	Output is correct
31	Correct	6 ms	49752 KB	Output is correct
32	Correct	7 ms	49608 KB	Output is correct
33	Correct	6 ms	49756 KB	Output is correct
34	Correct	6 ms	49752 KB	Output is correct
35	Correct	6 ms	49756 KB	Output is correct
36	Correct	6 ms	49652 KB	Output is correct
37	Correct	6 ms	49756 KB	Output is correct
38	Correct	6 ms	49500 KB	Output is correct
39	Correct	6 ms	49612 KB	Output is correct
40	Correct	6 ms	49684 KB	Output is correct
41	Correct	6 ms	49768 KB	Output is correct
42	Correct	6 ms	49768 KB	Output is correct
43	Correct	6 ms	49664 KB	Output is correct
44	Correct	6 ms	49764 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	5 ms	49500 KB	Output is correct
2	Correct	5 ms	49596 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49500 KB	Output is correct
5	Correct	5 ms	49628 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	5 ms	49496 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49636 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	49496 KB	Output is correct
15	Correct	5 ms	49500 KB	Output is correct
16	Correct	5 ms	49500 KB	Output is correct
17	Correct	5 ms	49596 KB	Output is correct
18	Correct	6 ms	49624 KB	Output is correct
19	Correct	6 ms	49500 KB	Output is correct
20	Correct	5 ms	49596 KB	Output is correct
21	Correct	5 ms	49500 KB	Output is correct
22	Correct	6 ms	49688 KB	Output is correct
23	Correct	6 ms	49500 KB	Output is correct
24	Correct	5 ms	49596 KB	Output is correct
25	Correct	6 ms	49496 KB	Output is correct
26	Correct	5 ms	49500 KB	Output is correct
27	Correct	6 ms	49500 KB	Output is correct
28	Correct	5 ms	49500 KB	Output is correct
29	Correct	5 ms	49708 KB	Output is correct
30	Correct	5 ms	49704 KB	Output is correct
31	Correct	6 ms	49752 KB	Output is correct
32	Correct	7 ms	49608 KB	Output is correct
33	Correct	6 ms	49756 KB	Output is correct
34	Correct	6 ms	49752 KB	Output is correct
35	Correct	6 ms	49756 KB	Output is correct
36	Correct	6 ms	49652 KB	Output is correct
37	Correct	6 ms	49756 KB	Output is correct
38	Correct	6 ms	49500 KB	Output is correct
39	Correct	6 ms	49612 KB	Output is correct
40	Correct	6 ms	49684 KB	Output is correct
41	Correct	6 ms	49768 KB	Output is correct
42	Correct	6 ms	49768 KB	Output is correct
43	Correct	6 ms	49664 KB	Output is correct
44	Correct	6 ms	49764 KB	Output is correct
45	Correct	6 ms	49752 KB	Output is correct
46	Correct	31 ms	73040 KB	Output is correct
47	Correct	37 ms	73552 KB	Output is correct
48	Correct	39 ms	73500 KB	Output is correct
49	Correct	49 ms	73572 KB	Output is correct
50	Correct	43 ms	73816 KB	Output is correct
51	Correct	43 ms	73820 KB	Output is correct
52	Correct	24 ms	60752 KB	Output is correct
53	Correct	16 ms	56408 KB	Output is correct
54	Correct	27 ms	73040 KB	Output is correct
55	Correct	50 ms	73636 KB	Output is correct
56	Correct	32 ms	73560 KB	Output is correct
57	Correct	34 ms	73044 KB	Output is correct
58	Correct	37 ms	73296 KB	Output is correct
59	Correct	34 ms	73300 KB	Output is correct
60	Correct	35 ms	73308 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	49500 KB	Output is correct
2	Correct	5 ms	49596 KB	Output is correct
3	Correct	5 ms	49500 KB	Output is correct
4	Correct	5 ms	49500 KB	Output is correct
5	Correct	5 ms	49628 KB	Output is correct
6	Correct	5 ms	49500 KB	Output is correct
7	Correct	5 ms	49496 KB	Output is correct
8	Correct	5 ms	49500 KB	Output is correct
9	Correct	5 ms	49636 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	49496 KB	Output is correct
15	Correct	5 ms	49500 KB	Output is correct
16	Correct	5 ms	49500 KB	Output is correct
17	Correct	5 ms	49596 KB	Output is correct
18	Correct	6 ms	49624 KB	Output is correct
19	Correct	6 ms	49500 KB	Output is correct
20	Correct	5 ms	49596 KB	Output is correct
21	Correct	5 ms	49500 KB	Output is correct
22	Correct	6 ms	49688 KB	Output is correct
23	Correct	6 ms	49500 KB	Output is correct
24	Correct	5 ms	49596 KB	Output is correct
25	Correct	6 ms	49496 KB	Output is correct
26	Correct	5 ms	49500 KB	Output is correct
27	Correct	6 ms	49500 KB	Output is correct
28	Correct	5 ms	49500 KB	Output is correct
29	Correct	5 ms	49708 KB	Output is correct
30	Correct	5 ms	49704 KB	Output is correct
31	Correct	6 ms	49752 KB	Output is correct
32	Correct	7 ms	49608 KB	Output is correct
33	Correct	6 ms	49756 KB	Output is correct
34	Correct	6 ms	49752 KB	Output is correct
35	Correct	6 ms	49756 KB	Output is correct
36	Correct	6 ms	49652 KB	Output is correct
37	Correct	6 ms	49756 KB	Output is correct
38	Correct	6 ms	49500 KB	Output is correct
39	Correct	6 ms	49612 KB	Output is correct
40	Correct	6 ms	49684 KB	Output is correct
41	Correct	6 ms	49768 KB	Output is correct
42	Correct	6 ms	49768 KB	Output is correct
43	Correct	6 ms	49664 KB	Output is correct
44	Correct	6 ms	49764 KB	Output is correct
45	Correct	6 ms	49752 KB	Output is correct
46	Correct	31 ms	73040 KB	Output is correct
47	Correct	37 ms	73552 KB	Output is correct
48	Correct	39 ms	73500 KB	Output is correct
49	Correct	49 ms	73572 KB	Output is correct
50	Correct	43 ms	73816 KB	Output is correct
51	Correct	43 ms	73820 KB	Output is correct
52	Correct	24 ms	60752 KB	Output is correct
53	Correct	16 ms	56408 KB	Output is correct
54	Correct	27 ms	73040 KB	Output is correct
55	Correct	50 ms	73636 KB	Output is correct
56	Correct	32 ms	73560 KB	Output is correct
57	Correct	34 ms	73044 KB	Output is correct
58	Correct	37 ms	73296 KB	Output is correct
59	Correct	34 ms	73300 KB	Output is correct
60	Correct	35 ms	73308 KB	Output is correct
61	Correct	145 ms	100084 KB	Output is correct
62	Correct	144 ms	100212 KB	Output is correct
63	Correct	166 ms	100800 KB	Output is correct
64	Correct	194 ms	102736 KB	Output is correct
65	Correct	199 ms	102992 KB	Output is correct
66	Correct	214 ms	102960 KB	Output is correct
67	Correct	175 ms	100512 KB	Output is correct
68	Correct	86 ms	93264 KB	Output is correct
69	Correct	124 ms	99180 KB	Output is correct
70	Correct	204 ms	102992 KB	Output is correct
71	Correct	137 ms	100180 KB	Output is correct
72	Correct	154 ms	100472 KB	Output is correct
73	Correct	162 ms	101128 KB	Output is correct
74	Correct	165 ms	101460 KB	Output is correct
75	Correct	167 ms	101460 KB	Output is correct

답안 #861715

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