답안 #571238

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
571238	2022-06-01T15:22:01 Z	YouAreMyGalaxy	Bigger segments (IZhO19_segments)	C++17	100 / 100	127 ms	12944 KB

segments

//Make CSP great again
//Vengeance
#include <bits/stdc++.h>
#define TASK "TESTCODE"
#define Log2(x) 31 - __builtin_clz(x)
using namespace std;
const int N = 1e6;
long long a[N + 1];
int n, dp[N + 1], pre[N + 1];
void read()
{
    cin >> n;
    for (int i = 1; i <= n; ++ i)
    {
        cin >> a[i];
        a[i] += a[i - 1];
    }
}
void solve()
{
    for (int i = 1; i <= n; ++ i)
    {
        pre[i] = max(pre[i], pre[i - 1]);
        dp[i] = dp[pre[i]] + 1;
        int j = lower_bound(a + 1, a + n + 1, 2 * a[i] - a[pre[i]]) - a;
        pre[j] = max(pre[j], i);
    }
    cout << dp[n];
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    if (fopen(TASK".INP", "r"))
    {
        freopen(TASK".INP", "r", stdin);
        //freopen(TASK".OUT", "w", stdout);
    }
    int t = 1;
    bool typetest = false;
    if (typetest)
    {
        cin >> t;
    }
    for (int __ = 1; __ <= t; ++ __)
    {
        //cout << "Case " << __ << ": ";
        read();
        solve();
    }
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:36:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |         freopen(TASK".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	360 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	292 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	328 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	360 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	292 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	328 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	340 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	328 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	324 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 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	1 ms	384 KB	Output is correct
2	Correct	1 ms	360 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	292 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	328 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	340 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	328 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	324 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	2 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	2 ms	340 KB	Output is correct
35	Correct	2 ms	340 KB	Output is correct
36	Correct	2 ms	344 KB	Output is correct
37	Correct	2 ms	344 KB	Output is correct
38	Correct	1 ms	344 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	2 ms	340 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	2 ms	348 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	360 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	292 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	328 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	340 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	328 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	324 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	2 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	2 ms	340 KB	Output is correct
35	Correct	2 ms	340 KB	Output is correct
36	Correct	2 ms	344 KB	Output is correct
37	Correct	2 ms	344 KB	Output is correct
38	Correct	1 ms	344 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	2 ms	340 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	2 ms	348 KB	Output is correct
46	Correct	11 ms	2260 KB	Output is correct
47	Correct	14 ms	2308 KB	Output is correct
48	Correct	22 ms	2636 KB	Output is correct
49	Correct	25 ms	2756 KB	Output is correct
50	Correct	19 ms	2764 KB	Output is correct
51	Correct	18 ms	2772 KB	Output is correct
52	Correct	13 ms	1492 KB	Output is correct
53	Correct	5 ms	1100 KB	Output is correct
54	Correct	17 ms	2016 KB	Output is correct
55	Correct	17 ms	2784 KB	Output is correct
56	Correct	23 ms	2280 KB	Output is correct
57	Correct	19 ms	2216 KB	Output is correct
58	Correct	17 ms	2320 KB	Output is correct
59	Correct	24 ms	2468 KB	Output is correct
60	Correct	16 ms	2460 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	360 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	292 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	328 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	340 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	328 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	324 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	2 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	2 ms	340 KB	Output is correct
35	Correct	2 ms	340 KB	Output is correct
36	Correct	2 ms	344 KB	Output is correct
37	Correct	2 ms	344 KB	Output is correct
38	Correct	1 ms	344 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	2 ms	340 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	2 ms	348 KB	Output is correct
46	Correct	11 ms	2260 KB	Output is correct
47	Correct	14 ms	2308 KB	Output is correct
48	Correct	22 ms	2636 KB	Output is correct
49	Correct	25 ms	2756 KB	Output is correct
50	Correct	19 ms	2764 KB	Output is correct
51	Correct	18 ms	2772 KB	Output is correct
52	Correct	13 ms	1492 KB	Output is correct
53	Correct	5 ms	1100 KB	Output is correct
54	Correct	17 ms	2016 KB	Output is correct
55	Correct	17 ms	2784 KB	Output is correct
56	Correct	23 ms	2280 KB	Output is correct
57	Correct	19 ms	2216 KB	Output is correct
58	Correct	17 ms	2320 KB	Output is correct
59	Correct	24 ms	2468 KB	Output is correct
60	Correct	16 ms	2460 KB	Output is correct
61	Correct	66 ms	9996 KB	Output is correct
62	Correct	57 ms	10080 KB	Output is correct
63	Correct	77 ms	10448 KB	Output is correct
64	Correct	102 ms	12736 KB	Output is correct
65	Correct	109 ms	12936 KB	Output is correct
66	Correct	85 ms	12940 KB	Output is correct
67	Correct	72 ms	10444 KB	Output is correct
68	Correct	46 ms	5324 KB	Output is correct
69	Correct	56 ms	9176 KB	Output is correct
70	Correct	91 ms	12944 KB	Output is correct
71	Correct	64 ms	10088 KB	Output is correct
72	Correct	76 ms	10380 KB	Output is correct
73	Correct	76 ms	11012 KB	Output is correct
74	Correct	127 ms	11412 KB	Output is correct
75	Correct	73 ms	11476 KB	Output is correct

답안 #571238

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