oj.uz

Submission #404379

# Submission time Handle Problem Language Result Execution time Memory
404379 2021-05-14T09:56:41 Z fvogel499 Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 30976 KB 
#include <iostream>
#include <cmath>
#include <vector>
#include <bitset>
#include <queue>
#include <cstring>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <algorithm>

using namespace std;

#define pii pair<int, int>
#define f first
#define s second

#define ll long long
#define rint int32_t

const int siz = 250001;

rint main() {
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    int n;
    cin >> n;

    int raw [n];
    for (int i = 0; i < n; i++) cin >> raw[i];

    bitset<siz> check(0);
    check[0] = 1;
    int checkSum = 0;
    for (int i = 0; i < n; i++) {
        check |= check<<raw[i];
        checkSum += raw[i];
    }
    if (checkSum%2 == 1 or check[checkSum/2] == 0) {
        cout << 0;
        return 0;
    }

    bitset<siz> startToEnd [n];
    startToEnd[0] = bitset<siz>(0);
    startToEnd[0][0] = 1;
    for (int i = 1; i < n; i++) {
        startToEnd[i] = startToEnd[i-1]|(startToEnd[i-1]<<raw[i-1]);
    }

    bitset<siz> endToStart [n];
    endToStart[n-1] = bitset<siz>(0);
    endToStart[n-1][0] = 1;
    for (int i = n-2; i >= 0; i--) {
        endToStart[i] = endToStart[i+1]|(endToStart[i+1]<<raw[i+1]);
    }

    bitset<siz> even;
    bitset<siz> uneven;
    even.set();
    uneven.set();
    even[0] = 0;
    bool evenKilled = false;
    bool unevenKilled = false;
    bitset<siz> cur;
    int locSum;
    for (int i = 0; i < n; i++) {
        cur = startToEnd[i];
        for (int j = i+1; j < n; j++) cur |= cur<<raw[j];
        locSum = checkSum-raw[i];
        if (locSum%2 == 0) {
            even &= cur>>(locSum/2);
            if (!unevenKilled) {
                uneven &= 0;
                unevenKilled = true;
            }
        }
        else {
            uneven &= cur>>(locSum/2+1);
            if (!evenKilled) {
                even &= 0;
                evenKilled = true;
            }
        }
    }

    cout << even.count()+uneven.count() << endl;
    for (int i = 0; i < siz; i++) {
        if (even[i]) cout << i*2 << " ";
        if (uneven[i]) cout << i*2+1 << " ";
    }

    int d = 0;
    d++;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 716 KB Output is correct
2 Correct 2 ms 844 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 2 ms 716 KB Output is correct
5 Correct 3 ms 1100 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 3 ms 1100 KB Output is correct
9 Correct 3 ms 1100 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 716 KB Output is correct
2 Correct 2 ms 844 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 2 ms 716 KB Output is correct
5 Correct 3 ms 1100 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 3 ms 1100 KB Output is correct
9 Correct 3 ms 1100 KB Output is correct
10 Correct 7 ms 2320 KB Output is correct
11 Correct 7 ms 2252 KB Output is correct
12 Correct 7 ms 2320 KB Output is correct
13 Correct 6 ms 1996 KB Output is correct
14 Correct 7 ms 2148 KB Output is correct
15 Correct 7 ms 2196 KB Output is correct
16 Correct 8 ms 2252 KB Output is correct
17 Correct 4 ms 1484 KB Output is correct
18 Correct 7 ms 1868 KB Output is correct
19 Correct 6 ms 1996 KB Output is correct
20 Correct 7 ms 2252 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 716 KB Output is correct
2 Correct 2 ms 844 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 2 ms 716 KB Output is correct
5 Correct 3 ms 1100 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 3 ms 1100 KB Output is correct
9 Correct 3 ms 1100 KB Output is correct
10 Correct 7 ms 2320 KB Output is correct
11 Correct 7 ms 2252 KB Output is correct
12 Correct 7 ms 2320 KB Output is correct
13 Correct 6 ms 1996 KB Output is correct
14 Correct 7 ms 2148 KB Output is correct
15 Correct 7 ms 2196 KB Output is correct
16 Correct 8 ms 2252 KB Output is correct
17 Correct 4 ms 1484 KB Output is correct
18 Correct 7 ms 1868 KB Output is correct
19 Correct 6 ms 1996 KB Output is correct
20 Correct 7 ms 2252 KB Output is correct
21 Correct 25 ms 4404 KB Output is correct
22 Correct 31 ms 4924 KB Output is correct
23 Correct 16 ms 3544 KB Output is correct
24 Correct 47 ms 6228 KB Output is correct
25 Correct 47 ms 6220 KB Output is correct
26 Correct 66 ms 6596 KB Output is correct
27 Correct 53 ms 6596 KB Output is correct
28 Correct 53 ms 6604 KB Output is correct
29 Correct 53 ms 6476 KB Output is correct
30 Correct 54 ms 6492 KB Output is correct
31 Correct 53 ms 6584 KB Output is correct
32 Correct 53 ms 6584 KB Output is correct
33 Correct 53 ms 6596 KB Output is correct
34 Correct 56 ms 6476 KB Output is correct
35 Correct 54 ms 6476 KB Output is correct
36 Correct 55 ms 6596 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 716 KB Output is correct
2 Correct 2 ms 844 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 2 ms 716 KB Output is correct
5 Correct 3 ms 1100 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 3 ms 1100 KB Output is correct
9 Correct 3 ms 1100 KB Output is correct
10 Correct 7 ms 2320 KB Output is correct
11 Correct 7 ms 2252 KB Output is correct
12 Correct 7 ms 2320 KB Output is correct
13 Correct 6 ms 1996 KB Output is correct
14 Correct 7 ms 2148 KB Output is correct
15 Correct 7 ms 2196 KB Output is correct
16 Correct 8 ms 2252 KB Output is correct
17 Correct 4 ms 1484 KB Output is correct
18 Correct 7 ms 1868 KB Output is correct
19 Correct 6 ms 1996 KB Output is correct
20 Correct 7 ms 2252 KB Output is correct
21 Correct 25 ms 4404 KB Output is correct
22 Correct 31 ms 4924 KB Output is correct
23 Correct 16 ms 3544 KB Output is correct
24 Correct 47 ms 6228 KB Output is correct
25 Correct 47 ms 6220 KB Output is correct
26 Correct 66 ms 6596 KB Output is correct
27 Correct 53 ms 6596 KB Output is correct
28 Correct 53 ms 6604 KB Output is correct
29 Correct 53 ms 6476 KB Output is correct
30 Correct 54 ms 6492 KB Output is correct
31 Correct 53 ms 6584 KB Output is correct
32 Correct 53 ms 6584 KB Output is correct
33 Correct 53 ms 6596 KB Output is correct
34 Correct 56 ms 6476 KB Output is correct
35 Correct 54 ms 6476 KB Output is correct
36 Correct 55 ms 6596 KB Output is correct
37 Correct 193 ms 12712 KB Output is correct
38 Correct 194 ms 12740 KB Output is correct
39 Correct 297 ms 15624 KB Output is correct
40 Correct 350 ms 16980 KB Output is correct
41 Correct 356 ms 16996 KB Output is correct
42 Correct 300 ms 15760 KB Output is correct
43 Correct 288 ms 15528 KB Output is correct
44 Correct 293 ms 15688 KB Output is correct
45 Correct 301 ms 15880 KB Output is correct
46 Correct 348 ms 16980 KB Output is correct
47 Correct 300 ms 15760 KB Output is correct
48 Correct 340 ms 15784 KB Output is correct
49 Correct 300 ms 15772 KB Output is correct
50 Correct 296 ms 15812 KB Output is correct
51 Correct 3 ms 460 KB Output is correct
52 Correct 360 ms 17112 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 716 KB Output is correct
2 Correct 2 ms 844 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 2 ms 716 KB Output is correct
5 Correct 3 ms 1100 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 3 ms 1100 KB Output is correct
9 Correct 3 ms 1100 KB Output is correct
10 Correct 7 ms 2320 KB Output is correct
11 Correct 7 ms 2252 KB Output is correct
12 Correct 7 ms 2320 KB Output is correct
13 Correct 6 ms 1996 KB Output is correct
14 Correct 7 ms 2148 KB Output is correct
15 Correct 7 ms 2196 KB Output is correct
16 Correct 8 ms 2252 KB Output is correct
17 Correct 4 ms 1484 KB Output is correct
18 Correct 7 ms 1868 KB Output is correct
19 Correct 6 ms 1996 KB Output is correct
20 Correct 7 ms 2252 KB Output is correct
21 Correct 25 ms 4404 KB Output is correct
22 Correct 31 ms 4924 KB Output is correct
23 Correct 16 ms 3544 KB Output is correct
24 Correct 47 ms 6228 KB Output is correct
25 Correct 47 ms 6220 KB Output is correct
26 Correct 66 ms 6596 KB Output is correct
27 Correct 53 ms 6596 KB Output is correct
28 Correct 53 ms 6604 KB Output is correct
29 Correct 53 ms 6476 KB Output is correct
30 Correct 54 ms 6492 KB Output is correct
31 Correct 53 ms 6584 KB Output is correct
32 Correct 53 ms 6584 KB Output is correct
33 Correct 53 ms 6596 KB Output is correct
34 Correct 56 ms 6476 KB Output is correct
35 Correct 54 ms 6476 KB Output is correct
36 Correct 55 ms 6596 KB Output is correct
37 Correct 193 ms 12712 KB Output is correct
38 Correct 194 ms 12740 KB Output is correct
39 Correct 297 ms 15624 KB Output is correct
40 Correct 350 ms 16980 KB Output is correct
41 Correct 356 ms 16996 KB Output is correct
42 Correct 300 ms 15760 KB Output is correct
43 Correct 288 ms 15528 KB Output is correct
44 Correct 293 ms 15688 KB Output is correct
45 Correct 301 ms 15880 KB Output is correct
46 Correct 348 ms 16980 KB Output is correct
47 Correct 300 ms 15760 KB Output is correct
48 Correct 340 ms 15784 KB Output is correct
49 Correct 300 ms 15772 KB Output is correct
50 Correct 296 ms 15812 KB Output is correct
51 Correct 3 ms 460 KB Output is correct
52 Correct 360 ms 17112 KB Output is correct
53 Correct 426 ms 18948 KB Output is correct
54 Correct 575 ms 22008 KB Output is correct
55 Correct 586 ms 22132 KB Output is correct
56 Correct 446 ms 19336 KB Output is correct
57 Correct 598 ms 22148 KB Output is correct
58 Correct 574 ms 22020 KB Output is correct
59 Correct 590 ms 22084 KB Output is correct
60 Correct 5 ms 460 KB Output is correct
61 Correct 579 ms 22020 KB Output is correct
62 Correct 492 ms 20420 KB Output is correct
63 Correct 492 ms 20312 KB Output is correct
64 Correct 519 ms 19944 KB Output is correct
65 Correct 470 ms 19908 KB Output is correct
66 Correct 453 ms 19532 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 716 KB Output is correct
2 Correct 2 ms 844 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 2 ms 716 KB Output is correct
5 Correct 3 ms 1100 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 3 ms 1100 KB Output is correct
9 Correct 3 ms 1100 KB Output is correct
10 Correct 7 ms 2320 KB Output is correct
11 Correct 7 ms 2252 KB Output is correct
12 Correct 7 ms 2320 KB Output is correct
13 Correct 6 ms 1996 KB Output is correct
14 Correct 7 ms 2148 KB Output is correct
15 Correct 7 ms 2196 KB Output is correct
16 Correct 8 ms 2252 KB Output is correct
17 Correct 4 ms 1484 KB Output is correct
18 Correct 7 ms 1868 KB Output is correct
19 Correct 6 ms 1996 KB Output is correct
20 Correct 7 ms 2252 KB Output is correct
21 Correct 25 ms 4404 KB Output is correct
22 Correct 31 ms 4924 KB Output is correct
23 Correct 16 ms 3544 KB Output is correct
24 Correct 47 ms 6228 KB Output is correct
25 Correct 47 ms 6220 KB Output is correct
26 Correct 66 ms 6596 KB Output is correct
27 Correct 53 ms 6596 KB Output is correct
28 Correct 53 ms 6604 KB Output is correct
29 Correct 53 ms 6476 KB Output is correct
30 Correct 54 ms 6492 KB Output is correct
31 Correct 53 ms 6584 KB Output is correct
32 Correct 53 ms 6584 KB Output is correct
33 Correct 53 ms 6596 KB Output is correct
34 Correct 56 ms 6476 KB Output is correct
35 Correct 54 ms 6476 KB Output is correct
36 Correct 55 ms 6596 KB Output is correct
37 Correct 193 ms 12712 KB Output is correct
38 Correct 194 ms 12740 KB Output is correct
39 Correct 297 ms 15624 KB Output is correct
40 Correct 350 ms 16980 KB Output is correct
41 Correct 356 ms 16996 KB Output is correct
42 Correct 300 ms 15760 KB Output is correct
43 Correct 288 ms 15528 KB Output is correct
44 Correct 293 ms 15688 KB Output is correct
45 Correct 301 ms 15880 KB Output is correct
46 Correct 348 ms 16980 KB Output is correct
47 Correct 300 ms 15760 KB Output is correct
48 Correct 340 ms 15784 KB Output is correct
49 Correct 300 ms 15772 KB Output is correct
50 Correct 296 ms 15812 KB Output is correct
51 Correct 3 ms 460 KB Output is correct
52 Correct 360 ms 17112 KB Output is correct
53 Correct 426 ms 18948 KB Output is correct
54 Correct 575 ms 22008 KB Output is correct
55 Correct 586 ms 22132 KB Output is correct
56 Correct 446 ms 19336 KB Output is correct
57 Correct 598 ms 22148 KB Output is correct
58 Correct 574 ms 22020 KB Output is correct
59 Correct 590 ms 22084 KB Output is correct
60 Correct 5 ms 460 KB Output is correct
61 Correct 579 ms 22020 KB Output is correct
62 Correct 492 ms 20420 KB Output is correct
63 Correct 492 ms 20312 KB Output is correct
64 Correct 519 ms 19944 KB Output is correct
65 Correct 470 ms 19908 KB Output is correct
66 Correct 453 ms 19532 KB Output is correct
67 Correct 758 ms 25084 KB Output is correct
68 Correct 6 ms 460 KB Output is correct
69 Execution timed out 1091 ms 30976 KB Time limit exceeded
70 Halted 0 ms 0 KB -