oj.uz

Submission #404378

# Submission time Handle Problem Language Result Execution time Memory
404378 2021-05-14T09:55:11 Z fvogel499 Bootfall (IZhO17_bootfall) C++14
65 / 100
 578 ms 15696 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 = 125001;

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 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 1 ms 588 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 4 ms 1228 KB Output is correct
11 Correct 4 ms 1228 KB Output is correct
12 Correct 4 ms 1228 KB Output is correct
13 Correct 3 ms 1100 KB Output is correct
14 Correct 4 ms 1228 KB Output is correct
15 Correct 4 ms 1252 KB Output is correct
16 Correct 4 ms 1228 KB Output is correct
17 Correct 2 ms 844 KB Output is correct
18 Correct 3 ms 1100 KB Output is correct
19 Correct 4 ms 1100 KB Output is correct
20 Correct 4 ms 1228 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 4 ms 1228 KB Output is correct
11 Correct 4 ms 1228 KB Output is correct
12 Correct 4 ms 1228 KB Output is correct
13 Correct 3 ms 1100 KB Output is correct
14 Correct 4 ms 1228 KB Output is correct
15 Correct 4 ms 1252 KB Output is correct
16 Correct 4 ms 1228 KB Output is correct
17 Correct 2 ms 844 KB Output is correct
18 Correct 3 ms 1100 KB Output is correct
19 Correct 4 ms 1100 KB Output is correct
20 Correct 4 ms 1228 KB Output is correct
21 Correct 12 ms 2356 KB Output is correct
22 Correct 16 ms 2656 KB Output is correct
23 Correct 8 ms 1928 KB Output is correct
24 Correct 26 ms 3268 KB Output is correct
25 Correct 24 ms 3268 KB Output is correct
26 Correct 27 ms 3456 KB Output is correct
27 Correct 30 ms 3404 KB Output is correct
28 Correct 27 ms 3452 KB Output is correct
29 Correct 29 ms 3452 KB Output is correct
30 Correct 28 ms 3456 KB Output is correct
31 Correct 27 ms 3452 KB Output is correct
32 Correct 29 ms 3452 KB Output is correct
33 Correct 27 ms 3448 KB Output is correct
34 Correct 27 ms 3404 KB Output is correct
35 Correct 27 ms 3404 KB Output is correct
36 Correct 27 ms 3452 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 4 ms 1228 KB Output is correct
11 Correct 4 ms 1228 KB Output is correct
12 Correct 4 ms 1228 KB Output is correct
13 Correct 3 ms 1100 KB Output is correct
14 Correct 4 ms 1228 KB Output is correct
15 Correct 4 ms 1252 KB Output is correct
16 Correct 4 ms 1228 KB Output is correct
17 Correct 2 ms 844 KB Output is correct
18 Correct 3 ms 1100 KB Output is correct
19 Correct 4 ms 1100 KB Output is correct
20 Correct 4 ms 1228 KB Output is correct
21 Correct 12 ms 2356 KB Output is correct
22 Correct 16 ms 2656 KB Output is correct
23 Correct 8 ms 1928 KB Output is correct
24 Correct 26 ms 3268 KB Output is correct
25 Correct 24 ms 3268 KB Output is correct
26 Correct 27 ms 3456 KB Output is correct
27 Correct 30 ms 3404 KB Output is correct
28 Correct 27 ms 3452 KB Output is correct
29 Correct 29 ms 3452 KB Output is correct
30 Correct 28 ms 3456 KB Output is correct
31 Correct 27 ms 3452 KB Output is correct
32 Correct 29 ms 3452 KB Output is correct
33 Correct 27 ms 3448 KB Output is correct
34 Correct 27 ms 3404 KB Output is correct
35 Correct 27 ms 3404 KB Output is correct
36 Correct 27 ms 3452 KB Output is correct
37 Correct 109 ms 6500 KB Output is correct
38 Correct 98 ms 6492 KB Output is correct
39 Correct 149 ms 7960 KB Output is correct
40 Correct 178 ms 8632 KB Output is correct
41 Correct 175 ms 8652 KB Output is correct
42 Correct 150 ms 8036 KB Output is correct
43 Correct 146 ms 8004 KB Output is correct
44 Correct 150 ms 8088 KB Output is correct
45 Correct 159 ms 8156 KB Output is correct
46 Correct 173 ms 8620 KB Output is correct
47 Correct 151 ms 8080 KB Output is correct
48 Correct 153 ms 8024 KB Output is correct
49 Correct 150 ms 8020 KB Output is correct
50 Correct 150 ms 8036 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 177 ms 8768 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 4 ms 1228 KB Output is correct
11 Correct 4 ms 1228 KB Output is correct
12 Correct 4 ms 1228 KB Output is correct
13 Correct 3 ms 1100 KB Output is correct
14 Correct 4 ms 1228 KB Output is correct
15 Correct 4 ms 1252 KB Output is correct
16 Correct 4 ms 1228 KB Output is correct
17 Correct 2 ms 844 KB Output is correct
18 Correct 3 ms 1100 KB Output is correct
19 Correct 4 ms 1100 KB Output is correct
20 Correct 4 ms 1228 KB Output is correct
21 Correct 12 ms 2356 KB Output is correct
22 Correct 16 ms 2656 KB Output is correct
23 Correct 8 ms 1928 KB Output is correct
24 Correct 26 ms 3268 KB Output is correct
25 Correct 24 ms 3268 KB Output is correct
26 Correct 27 ms 3456 KB Output is correct
27 Correct 30 ms 3404 KB Output is correct
28 Correct 27 ms 3452 KB Output is correct
29 Correct 29 ms 3452 KB Output is correct
30 Correct 28 ms 3456 KB Output is correct
31 Correct 27 ms 3452 KB Output is correct
32 Correct 29 ms 3452 KB Output is correct
33 Correct 27 ms 3448 KB Output is correct
34 Correct 27 ms 3404 KB Output is correct
35 Correct 27 ms 3404 KB Output is correct
36 Correct 27 ms 3452 KB Output is correct
37 Correct 109 ms 6500 KB Output is correct
38 Correct 98 ms 6492 KB Output is correct
39 Correct 149 ms 7960 KB Output is correct
40 Correct 178 ms 8632 KB Output is correct
41 Correct 175 ms 8652 KB Output is correct
42 Correct 150 ms 8036 KB Output is correct
43 Correct 146 ms 8004 KB Output is correct
44 Correct 150 ms 8088 KB Output is correct
45 Correct 159 ms 8156 KB Output is correct
46 Correct 173 ms 8620 KB Output is correct
47 Correct 151 ms 8080 KB Output is correct
48 Correct 153 ms 8024 KB Output is correct
49 Correct 150 ms 8020 KB Output is correct
50 Correct 150 ms 8036 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 177 ms 8768 KB Output is correct
53 Correct 217 ms 9676 KB Output is correct
54 Correct 289 ms 11208 KB Output is correct
55 Correct 294 ms 11468 KB Output is correct
56 Correct 225 ms 9804 KB Output is correct
57 Correct 293 ms 11344 KB Output is correct
58 Correct 291 ms 11212 KB Output is correct
59 Correct 294 ms 11220 KB Output is correct
60 Correct 2 ms 332 KB Output is correct
61 Correct 290 ms 11224 KB Output is correct
62 Correct 251 ms 10436 KB Output is correct
63 Correct 245 ms 10432 KB Output is correct
64 Correct 235 ms 10180 KB Output is correct
65 Correct 236 ms 10052 KB Output is correct
66 Correct 233 ms 9864 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 2 ms 716 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 4 ms 1228 KB Output is correct
11 Correct 4 ms 1228 KB Output is correct
12 Correct 4 ms 1228 KB Output is correct
13 Correct 3 ms 1100 KB Output is correct
14 Correct 4 ms 1228 KB Output is correct
15 Correct 4 ms 1252 KB Output is correct
16 Correct 4 ms 1228 KB Output is correct
17 Correct 2 ms 844 KB Output is correct
18 Correct 3 ms 1100 KB Output is correct
19 Correct 4 ms 1100 KB Output is correct
20 Correct 4 ms 1228 KB Output is correct
21 Correct 12 ms 2356 KB Output is correct
22 Correct 16 ms 2656 KB Output is correct
23 Correct 8 ms 1928 KB Output is correct
24 Correct 26 ms 3268 KB Output is correct
25 Correct 24 ms 3268 KB Output is correct
26 Correct 27 ms 3456 KB Output is correct
27 Correct 30 ms 3404 KB Output is correct
28 Correct 27 ms 3452 KB Output is correct
29 Correct 29 ms 3452 KB Output is correct
30 Correct 28 ms 3456 KB Output is correct
31 Correct 27 ms 3452 KB Output is correct
32 Correct 29 ms 3452 KB Output is correct
33 Correct 27 ms 3448 KB Output is correct
34 Correct 27 ms 3404 KB Output is correct
35 Correct 27 ms 3404 KB Output is correct
36 Correct 27 ms 3452 KB Output is correct
37 Correct 109 ms 6500 KB Output is correct
38 Correct 98 ms 6492 KB Output is correct
39 Correct 149 ms 7960 KB Output is correct
40 Correct 178 ms 8632 KB Output is correct
41 Correct 175 ms 8652 KB Output is correct
42 Correct 150 ms 8036 KB Output is correct
43 Correct 146 ms 8004 KB Output is correct
44 Correct 150 ms 8088 KB Output is correct
45 Correct 159 ms 8156 KB Output is correct
46 Correct 173 ms 8620 KB Output is correct
47 Correct 151 ms 8080 KB Output is correct
48 Correct 153 ms 8024 KB Output is correct
49 Correct 150 ms 8020 KB Output is correct
50 Correct 150 ms 8036 KB Output is correct
51 Correct 2 ms 332 KB Output is correct
52 Correct 177 ms 8768 KB Output is correct
53 Correct 217 ms 9676 KB Output is correct
54 Correct 289 ms 11208 KB Output is correct
55 Correct 294 ms 11468 KB Output is correct
56 Correct 225 ms 9804 KB Output is correct
57 Correct 293 ms 11344 KB Output is correct
58 Correct 291 ms 11212 KB Output is correct
59 Correct 294 ms 11220 KB Output is correct
60 Correct 2 ms 332 KB Output is correct
61 Correct 290 ms 11224 KB Output is correct
62 Correct 251 ms 10436 KB Output is correct
63 Correct 245 ms 10432 KB Output is correct
64 Correct 235 ms 10180 KB Output is correct
65 Correct 236 ms 10052 KB Output is correct
66 Correct 233 ms 9864 KB Output is correct
67 Correct 375 ms 12744 KB Output is correct
68 Correct 4 ms 332 KB Output is correct
69 Incorrect 578 ms 15696 KB Output isn't correct
70 Halted 0 ms 0 KB -