답안 #883448

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
883448	2023-12-05T09:53:28 Z	NintsiChkhaidze	Bigger segments (IZhO19_segments)	C++17	100 / 100	60 ms	20920 KB

segments

#include <bits/stdc++.h>
#define pb push_back
#define s second
#define f first
#define left (h<<1),l,(l + r)/2
#define right ((h<<1)|1),(l + r)/2 + 1,r
#define pii pair<int,int>
#define ll long long 
#define int ll //?
using namespace std;

const int N = 5e5 + 5;

int a[N],p[N];
pii dp[N];

signed main (){
    ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
	
	int n;
	cin>>n;

	for (int i = 1; i <= n; i++){
		cin >> a[i];
		p[i] = p[i - 1] + a[i]; 
	}

	dp[0] = {1,0};
	for (int i = 1; i <= n; i++){
		dp[i] = max(dp[i],dp[i - 1]);
		int val = 2*p[i] - dp[i].s;

		int l = i + 1,r = n,res = 0;
		while (l <= r){
			int mid = (l + r) >> 1;
			if (p[mid] >= val){
				res = mid;
				r = mid - 1;
			}else{
				l = mid + 1;
			}
		}

		if (res) dp[res] = max(dp[res],{dp[i].f + 1,p[i]});
	}
	cout<<dp[n].f;
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2548 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2512 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2548 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2512 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2392 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	0 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2512 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2548 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2512 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2392 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	0 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2512 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2536 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2396 KB	Output is correct
36	Correct	1 ms	2392 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct
39	Correct	1 ms	2392 KB	Output is correct
40	Correct	1 ms	2392 KB	Output is correct
41	Correct	1 ms	2648 KB	Output is correct
42	Correct	1 ms	2396 KB	Output is correct
43	Correct	1 ms	2396 KB	Output is correct
44	Correct	1 ms	2396 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2548 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2512 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2392 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	0 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2512 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2536 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2396 KB	Output is correct
36	Correct	1 ms	2392 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct
39	Correct	1 ms	2392 KB	Output is correct
40	Correct	1 ms	2392 KB	Output is correct
41	Correct	1 ms	2648 KB	Output is correct
42	Correct	1 ms	2396 KB	Output is correct
43	Correct	1 ms	2396 KB	Output is correct
44	Correct	1 ms	2396 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	9 ms	9052 KB	Output is correct
47	Correct	11 ms	9280 KB	Output is correct
48	Correct	11 ms	9564 KB	Output is correct
49	Correct	11 ms	9616 KB	Output is correct
50	Correct	11 ms	9612 KB	Output is correct
51	Correct	13 ms	9684 KB	Output is correct
52	Correct	6 ms	3932 KB	Output is correct
53	Correct	4 ms	3420 KB	Output is correct
54	Correct	9 ms	8796 KB	Output is correct
55	Correct	12 ms	9696 KB	Output is correct
56	Correct	8 ms	9188 KB	Output is correct
57	Correct	9 ms	9064 KB	Output is correct
58	Correct	10 ms	9068 KB	Output is correct
59	Correct	10 ms	9296 KB	Output is correct
60	Correct	9 ms	9308 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2548 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2512 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2392 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	0 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2512 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2536 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2396 KB	Output is correct
36	Correct	1 ms	2392 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct
39	Correct	1 ms	2392 KB	Output is correct
40	Correct	1 ms	2392 KB	Output is correct
41	Correct	1 ms	2648 KB	Output is correct
42	Correct	1 ms	2396 KB	Output is correct
43	Correct	1 ms	2396 KB	Output is correct
44	Correct	1 ms	2396 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	9 ms	9052 KB	Output is correct
47	Correct	11 ms	9280 KB	Output is correct
48	Correct	11 ms	9564 KB	Output is correct
49	Correct	11 ms	9616 KB	Output is correct
50	Correct	11 ms	9612 KB	Output is correct
51	Correct	13 ms	9684 KB	Output is correct
52	Correct	6 ms	3932 KB	Output is correct
53	Correct	4 ms	3420 KB	Output is correct
54	Correct	9 ms	8796 KB	Output is correct
55	Correct	12 ms	9696 KB	Output is correct
56	Correct	8 ms	9188 KB	Output is correct
57	Correct	9 ms	9064 KB	Output is correct
58	Correct	10 ms	9068 KB	Output is correct
59	Correct	10 ms	9296 KB	Output is correct
60	Correct	9 ms	9308 KB	Output is correct
61	Correct	37 ms	18044 KB	Output is correct
62	Correct	44 ms	17920 KB	Output is correct
63	Correct	60 ms	18232 KB	Output is correct
64	Correct	55 ms	20540 KB	Output is correct
65	Correct	49 ms	20732 KB	Output is correct
66	Correct	59 ms	20920 KB	Output is correct
67	Correct	47 ms	17388 KB	Output is correct
68	Correct	29 ms	12212 KB	Output is correct
69	Correct	43 ms	16976 KB	Output is correct
70	Correct	54 ms	20908 KB	Output is correct
71	Correct	43 ms	18152 KB	Output is correct
72	Correct	42 ms	18256 KB	Output is correct
73	Correct	43 ms	18924 KB	Output is correct
74	Correct	41 ms	19332 KB	Output is correct
75	Correct	42 ms	19288 KB	Output is correct

답안 #883448

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