답안 #604019

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
604019	2022-07-24T15:23:28 Z	Ozy	Bigger segments (IZhO19_segments)	C++17	73 / 100	1500 ms	25708 KB

segments

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define rep(i,a,b) for (int i = (a); i <= (b);i++)
#define repa(i,a,b) for (int i = (a); i >= (b);i--)
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "

#define MAX 500000
#define val first
#define res second
#define INF 1000000000000

lli n,a,ub;
lli prim[MAX+2],ult[MAX+2],res[MAX+2],arr[MAX+2],acu[MAX+2],bi[MAX+2],bf[MAX+2];
pair<lli,lli> dp[MAX+2];

lli binaria(lli f, lli busco) {
    lli fin = bf[busco];
    lli ini = bi[busco];
    lli a,b,mitad,last = -1;

    while (ini <= fin) {
        mitad = (ini+fin)/2;

        a = dp[mitad].first;

        b = acu[f] - acu[mitad];

        if (a <= b) {
            last = mitad;
            ini = mitad+1;
        }
        else fin = mitad-1;
    }
    return last;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n;
    rep(i,1,n) {
        cin >> arr[i];
        acu[i] = arr[i] + acu[i-1];
    }

    fill(prim, prim + 1 + n, n);
    dp[1] = {arr[1],INF};
    res[1] = 1;
    prim[1] = ult[1] = 1;
    bi[1] = bf[1] = 1;
    ub = 1;

    //ciudado con el second 0
    rep(i,2,n) {
        dp[i].first = dp[i - 1].first + arr[i];
        res[i] = res[i - 1];
        repa(g, ub, 1){
            a = binaria(i, g);
            if (a != -1){
                res[i] = max(res[i], res[a] + 1);
                dp[i].first = min(dp[i].first, acu[i] - acu[a]);
                break;
            }
        }

        if (dp[i].first < dp[i - 1].first){
            ++ub;
            bi[ub] = i;
        }
        bf[ub] = i;
    }

    cout << res[n];
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	368 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 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	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	328 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	388 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	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	368 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 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	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	328 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	388 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	2 ms	468 KB	Output is correct
33	Correct	1 ms	468 KB	Output is correct
34	Correct	1 ms	468 KB	Output is correct
35	Correct	1 ms	468 KB	Output is correct
36	Correct	1 ms	468 KB	Output is correct
37	Correct	1 ms	468 KB	Output is correct
38	Correct	1 ms	468 KB	Output is correct
39	Correct	2 ms	468 KB	Output is correct
40	Correct	2 ms	468 KB	Output is correct
41	Correct	1 ms	460 KB	Output is correct
42	Correct	1 ms	468 KB	Output is correct
43	Correct	1 ms	468 KB	Output is correct
44	Correct	1 ms	468 KB	Output is correct
45	Correct	2 ms	468 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	368 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 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	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	328 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	388 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	2 ms	468 KB	Output is correct
33	Correct	1 ms	468 KB	Output is correct
34	Correct	1 ms	468 KB	Output is correct
35	Correct	1 ms	468 KB	Output is correct
36	Correct	1 ms	468 KB	Output is correct
37	Correct	1 ms	468 KB	Output is correct
38	Correct	1 ms	468 KB	Output is correct
39	Correct	2 ms	468 KB	Output is correct
40	Correct	2 ms	468 KB	Output is correct
41	Correct	1 ms	460 KB	Output is correct
42	Correct	1 ms	468 KB	Output is correct
43	Correct	1 ms	468 KB	Output is correct
44	Correct	1 ms	468 KB	Output is correct
45	Correct	2 ms	468 KB	Output is correct
46	Correct	12 ms	5436 KB	Output is correct
47	Correct	655 ms	5888 KB	Output is correct
48	Correct	18 ms	5860 KB	Output is correct
49	Correct	13 ms	6672 KB	Output is correct
50	Correct	16 ms	5936 KB	Output is correct
51	Correct	64 ms	6536 KB	Output is correct
52	Correct	25 ms	3480 KB	Output is correct
53	Correct	13 ms	2260 KB	Output is correct
54	Correct	47 ms	5580 KB	Output is correct
55	Correct	74 ms	6920 KB	Output is correct
56	Correct	12 ms	5456 KB	Output is correct
57	Correct	13 ms	5448 KB	Output is correct
58	Correct	13 ms	5448 KB	Output is correct
59	Correct	13 ms	5588 KB	Output is correct
60	Correct	16 ms	5544 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	368 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	0 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	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	328 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	388 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	2 ms	468 KB	Output is correct
33	Correct	1 ms	468 KB	Output is correct
34	Correct	1 ms	468 KB	Output is correct
35	Correct	1 ms	468 KB	Output is correct
36	Correct	1 ms	468 KB	Output is correct
37	Correct	1 ms	468 KB	Output is correct
38	Correct	1 ms	468 KB	Output is correct
39	Correct	2 ms	468 KB	Output is correct
40	Correct	2 ms	468 KB	Output is correct
41	Correct	1 ms	460 KB	Output is correct
42	Correct	1 ms	468 KB	Output is correct
43	Correct	1 ms	468 KB	Output is correct
44	Correct	1 ms	468 KB	Output is correct
45	Correct	2 ms	468 KB	Output is correct
46	Correct	12 ms	5436 KB	Output is correct
47	Correct	655 ms	5888 KB	Output is correct
48	Correct	18 ms	5860 KB	Output is correct
49	Correct	13 ms	6672 KB	Output is correct
50	Correct	16 ms	5936 KB	Output is correct
51	Correct	64 ms	6536 KB	Output is correct
52	Correct	25 ms	3480 KB	Output is correct
53	Correct	13 ms	2260 KB	Output is correct
54	Correct	47 ms	5580 KB	Output is correct
55	Correct	74 ms	6920 KB	Output is correct
56	Correct	12 ms	5456 KB	Output is correct
57	Correct	13 ms	5448 KB	Output is correct
58	Correct	13 ms	5448 KB	Output is correct
59	Correct	13 ms	5588 KB	Output is correct
60	Correct	16 ms	5544 KB	Output is correct
61	Correct	58 ms	25708 KB	Output is correct
62	Execution timed out	1584 ms	21244 KB	Time limit exceeded
63	Halted	0 ms	0 KB	-

답안 #604019

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 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
0 / 27.0