답안 #708149

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
708149	2023-03-11T06:26:08 Z	arcane	Bigger segments (IZhO19_segments)	C++17	100 / 100	303 ms	48176 KB

segments

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define mp make_pair
#define se second
int32_t main(){
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	int n, ans = 0, tmp1 = -1e8, tot, pos; cin >> n;
	int arr[n], smol[n], pref[n + 1]; 
	for (int i = 0; i < n; i++) cin >> arr[i];
	pref[0] = 0;
	set <pair <int, int> > s;
	for (int i = 0; i < n; i++) pref[i + 1] = pref[i] + arr[i];
	for (int i = 0; i < n; i++){
		smol[i] = pref[i + 1];
		auto it = s.upper_bound(mp(pref[i + 1], (int)1e18));
		if (it != s.begin()){
			it--;
			smol[i] = min(smol[i], pref[i + 1] + (*it).se);
		}
		s.insert(mp(smol[i] + pref[i + 1], -pref[i + 1]));
		while ((*(s.rbegin())).se != -pref[i + 1]) s.erase(--s.end());
	}
	tot = pref[n] - smol[n - 1]; pos = n - 1; ans = 1;
	while (tot){
		while (pref[pos + 1] != tot){
			pos--;
		}
		tot -= smol[pos]; ans += 1; 
	}
	cout << ans << '\n';
}

Compilation message

segments.cpp: In function 'int32_t main()':
segments.cpp:9:18: warning: unused variable 'tmp1' [-Wunused-variable]
    9 |  int n, ans = 0, tmp1 = -1e8, tot, pos; cin >> n;
      |                  ^~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	324 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct
25	Correct	1 ms	324 KB	Output is correct
26	Correct	1 ms	324 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	324 KB	Output is correct
29	Correct	1 ms	324 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	324 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct
25	Correct	1 ms	324 KB	Output is correct
26	Correct	1 ms	324 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	324 KB	Output is correct
29	Correct	1 ms	324 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	1 ms	460 KB	Output is correct
33	Correct	1 ms	336 KB	Output is correct
34	Correct	1 ms	588 KB	Output is correct
35	Correct	1 ms	588 KB	Output is correct
36	Correct	1 ms	548 KB	Output is correct
37	Correct	1 ms	468 KB	Output is correct
38	Correct	1 ms	468 KB	Output is correct
39	Correct	1 ms	468 KB	Output is correct
40	Correct	2 ms	548 KB	Output is correct
41	Correct	1 ms	468 KB	Output is correct
42	Correct	1 ms	452 KB	Output is correct
43	Correct	1 ms	468 KB	Output is correct
44	Correct	2 ms	468 KB	Output is correct
45	Correct	1 ms	468 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	324 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct
25	Correct	1 ms	324 KB	Output is correct
26	Correct	1 ms	324 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	324 KB	Output is correct
29	Correct	1 ms	324 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	1 ms	460 KB	Output is correct
33	Correct	1 ms	336 KB	Output is correct
34	Correct	1 ms	588 KB	Output is correct
35	Correct	1 ms	588 KB	Output is correct
36	Correct	1 ms	548 KB	Output is correct
37	Correct	1 ms	468 KB	Output is correct
38	Correct	1 ms	468 KB	Output is correct
39	Correct	1 ms	468 KB	Output is correct
40	Correct	2 ms	548 KB	Output is correct
41	Correct	1 ms	468 KB	Output is correct
42	Correct	1 ms	452 KB	Output is correct
43	Correct	1 ms	468 KB	Output is correct
44	Correct	2 ms	468 KB	Output is correct
45	Correct	1 ms	468 KB	Output is correct
46	Correct	39 ms	9276 KB	Output is correct
47	Correct	33 ms	7348 KB	Output is correct
48	Correct	28 ms	3788 KB	Output is correct
49	Correct	43 ms	6904 KB	Output is correct
50	Correct	46 ms	9784 KB	Output is correct
51	Correct	39 ms	8488 KB	Output is correct
52	Correct	18 ms	4416 KB	Output is correct
53	Correct	11 ms	2764 KB	Output is correct
54	Correct	40 ms	7436 KB	Output is correct
55	Correct	43 ms	9296 KB	Output is correct
56	Correct	43 ms	9348 KB	Output is correct
57	Correct	38 ms	8692 KB	Output is correct
58	Correct	38 ms	8640 KB	Output is correct
59	Correct	51 ms	9520 KB	Output is correct
60	Correct	45 ms	9412 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	324 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct
25	Correct	1 ms	324 KB	Output is correct
26	Correct	1 ms	324 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	324 KB	Output is correct
29	Correct	1 ms	324 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	1 ms	460 KB	Output is correct
33	Correct	1 ms	336 KB	Output is correct
34	Correct	1 ms	588 KB	Output is correct
35	Correct	1 ms	588 KB	Output is correct
36	Correct	1 ms	548 KB	Output is correct
37	Correct	1 ms	468 KB	Output is correct
38	Correct	1 ms	468 KB	Output is correct
39	Correct	1 ms	468 KB	Output is correct
40	Correct	2 ms	548 KB	Output is correct
41	Correct	1 ms	468 KB	Output is correct
42	Correct	1 ms	452 KB	Output is correct
43	Correct	1 ms	468 KB	Output is correct
44	Correct	2 ms	468 KB	Output is correct
45	Correct	1 ms	468 KB	Output is correct
46	Correct	39 ms	9276 KB	Output is correct
47	Correct	33 ms	7348 KB	Output is correct
48	Correct	28 ms	3788 KB	Output is correct
49	Correct	43 ms	6904 KB	Output is correct
50	Correct	46 ms	9784 KB	Output is correct
51	Correct	39 ms	8488 KB	Output is correct
52	Correct	18 ms	4416 KB	Output is correct
53	Correct	11 ms	2764 KB	Output is correct
54	Correct	40 ms	7436 KB	Output is correct
55	Correct	43 ms	9296 KB	Output is correct
56	Correct	43 ms	9348 KB	Output is correct
57	Correct	38 ms	8692 KB	Output is correct
58	Correct	38 ms	8640 KB	Output is correct
59	Correct	51 ms	9520 KB	Output is correct
60	Correct	45 ms	9412 KB	Output is correct
61	Correct	217 ms	45368 KB	Output is correct
62	Correct	216 ms	45260 KB	Output is correct
63	Correct	176 ms	37240 KB	Output is correct
64	Correct	215 ms	22772 KB	Output is correct
65	Correct	253 ms	48176 KB	Output is correct
66	Correct	218 ms	41764 KB	Output is correct
67	Correct	176 ms	33408 KB	Output is correct
68	Correct	97 ms	16756 KB	Output is correct
69	Correct	188 ms	35800 KB	Output is correct
70	Correct	267 ms	45612 KB	Output is correct
71	Correct	259 ms	45260 KB	Output is correct
72	Correct	235 ms	39412 KB	Output is correct
73	Correct	242 ms	41600 KB	Output is correct
74	Correct	303 ms	46592 KB	Output is correct
75	Correct	261 ms	46708 KB	Output is correct

답안 #708149

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