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Submission #459601

# Submission time Handle Problem Language Result Execution time Memory
459601 2021-08-08T17:51:43 Z JovanB Bootfall (IZhO17_bootfall) C++17
100 / 100
 804 ms 6248 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;

const int N = 500;
const int ofs = N*N;
const int MOD = 1000000007;

int add(int a, int b){ a += b; if(a >= MOD) a -= MOD; return a; }
int sub(int a, int b){ return add(a, MOD - b); }

int moze[N*N+5];
int dp[2*N*N+5];
int ddp[2*N*N+5];
int a[N+5];

int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cout.precision(10);
    cout << fixed;

    int n;
    cin >> n;
    int poc = 0;
    for(int i=1; i<=n; i++){
        cin >> a[i];
        poc += a[i];
        a[i] *= 2;
    }
    dp[ofs - poc] = 1;
    for(int i=1; i<=n; i++){
        for(int j=poc; j>=-poc+a[i]; j--){
            dp[ofs + j] = add(dp[ofs + j], dp[ofs + j - a[i]]);
        }
    }
    if(dp[ofs] == 0){
        cout << "0\n";
        return 0;
    }
    for(int i=1; i<=n; i++){
        for(int j=-poc; j<=poc; j++){
            ddp[ofs + j] = dp[ofs + j];
            if(ofs + j - a[i] >= 0) ddp[ofs + j] = sub(ddp[ofs + j], ddp[ofs + j - a[i]]);
        }
        for(int j=1; j<=poc; j++) moze[j] += (ddp[ofs + j - a[i]/2] > 0);
    }
    vector <int> vec;
    for(int i=1; i<=poc; i++) if(moze[i] == n) vec.push_back(i);
    cout << vec.size() << "\n";
    for(auto c : vec) cout << c << " ";
    cout << "\n";
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 2 ms 332 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 4 ms 460 KB Output is correct
25 Correct 7 ms 460 KB Output is correct
26 Correct 7 ms 520 KB Output is correct
27 Correct 6 ms 460 KB Output is correct
28 Correct 7 ms 460 KB Output is correct
29 Correct 7 ms 460 KB Output is correct
30 Correct 4 ms 332 KB Output is correct
31 Correct 6 ms 484 KB Output is correct
32 Correct 4 ms 420 KB Output is correct
33 Correct 7 ms 460 KB Output is correct
34 Correct 9 ms 528 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 5 ms 460 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 2 ms 332 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 4 ms 460 KB Output is correct
25 Correct 7 ms 460 KB Output is correct
26 Correct 7 ms 520 KB Output is correct
27 Correct 6 ms 460 KB Output is correct
28 Correct 7 ms 460 KB Output is correct
29 Correct 7 ms 460 KB Output is correct
30 Correct 4 ms 332 KB Output is correct
31 Correct 6 ms 484 KB Output is correct
32 Correct 4 ms 420 KB Output is correct
33 Correct 7 ms 460 KB Output is correct
34 Correct 9 ms 528 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 5 ms 460 KB Output is correct
37 Correct 26 ms 824 KB Output is correct
38 Correct 27 ms 836 KB Output is correct
39 Correct 100 ms 1424 KB Output is correct
40 Correct 59 ms 1100 KB Output is correct
41 Correct 127 ms 1640 KB Output is correct
42 Correct 50 ms 1028 KB Output is correct
43 Correct 93 ms 1732 KB Output is correct
44 Correct 107 ms 1780 KB Output is correct
45 Correct 95 ms 1776 KB Output is correct
46 Correct 54 ms 844 KB Output is correct
47 Correct 53 ms 1096 KB Output is correct
48 Correct 104 ms 1780 KB Output is correct
49 Correct 103 ms 1532 KB Output is correct
50 Correct 53 ms 1076 KB Output is correct
51 Correct 20 ms 568 KB Output is correct
52 Correct 124 ms 2068 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 2 ms 332 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 4 ms 460 KB Output is correct
25 Correct 7 ms 460 KB Output is correct
26 Correct 7 ms 520 KB Output is correct
27 Correct 6 ms 460 KB Output is correct
28 Correct 7 ms 460 KB Output is correct
29 Correct 7 ms 460 KB Output is correct
30 Correct 4 ms 332 KB Output is correct
31 Correct 6 ms 484 KB Output is correct
32 Correct 4 ms 420 KB Output is correct
33 Correct 7 ms 460 KB Output is correct
34 Correct 9 ms 528 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 5 ms 460 KB Output is correct
37 Correct 26 ms 824 KB Output is correct
38 Correct 27 ms 836 KB Output is correct
39 Correct 100 ms 1424 KB Output is correct
40 Correct 59 ms 1100 KB Output is correct
41 Correct 127 ms 1640 KB Output is correct
42 Correct 50 ms 1028 KB Output is correct
43 Correct 93 ms 1732 KB Output is correct
44 Correct 107 ms 1780 KB Output is correct
45 Correct 95 ms 1776 KB Output is correct
46 Correct 54 ms 844 KB Output is correct
47 Correct 53 ms 1096 KB Output is correct
48 Correct 104 ms 1780 KB Output is correct
49 Correct 103 ms 1532 KB Output is correct
50 Correct 53 ms 1076 KB Output is correct
51 Correct 20 ms 568 KB Output is correct
52 Correct 124 ms 2068 KB Output is correct
53 Correct 96 ms 1460 KB Output is correct
54 Correct 128 ms 1784 KB Output is correct
55 Correct 261 ms 3016 KB Output is correct
56 Correct 111 ms 1788 KB Output is correct
57 Correct 275 ms 3140 KB Output is correct
58 Correct 139 ms 1896 KB Output is correct
59 Correct 175 ms 2248 KB Output is correct
60 Correct 49 ms 784 KB Output is correct
61 Correct 196 ms 2524 KB Output is correct
62 Correct 199 ms 2696 KB Output is correct
63 Correct 231 ms 2920 KB Output is correct
64 Correct 212 ms 2832 KB Output is correct
65 Correct 102 ms 1248 KB Output is correct
66 Correct 106 ms 1352 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 2 ms 332 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 4 ms 460 KB Output is correct
25 Correct 7 ms 460 KB Output is correct
26 Correct 7 ms 520 KB Output is correct
27 Correct 6 ms 460 KB Output is correct
28 Correct 7 ms 460 KB Output is correct
29 Correct 7 ms 460 KB Output is correct
30 Correct 4 ms 332 KB Output is correct
31 Correct 6 ms 484 KB Output is correct
32 Correct 4 ms 420 KB Output is correct
33 Correct 7 ms 460 KB Output is correct
34 Correct 9 ms 528 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 5 ms 460 KB Output is correct
37 Correct 26 ms 824 KB Output is correct
38 Correct 27 ms 836 KB Output is correct
39 Correct 100 ms 1424 KB Output is correct
40 Correct 59 ms 1100 KB Output is correct
41 Correct 127 ms 1640 KB Output is correct
42 Correct 50 ms 1028 KB Output is correct
43 Correct 93 ms 1732 KB Output is correct
44 Correct 107 ms 1780 KB Output is correct
45 Correct 95 ms 1776 KB Output is correct
46 Correct 54 ms 844 KB Output is correct
47 Correct 53 ms 1096 KB Output is correct
48 Correct 104 ms 1780 KB Output is correct
49 Correct 103 ms 1532 KB Output is correct
50 Correct 53 ms 1076 KB Output is correct
51 Correct 20 ms 568 KB Output is correct
52 Correct 124 ms 2068 KB Output is correct
53 Correct 96 ms 1460 KB Output is correct
54 Correct 128 ms 1784 KB Output is correct
55 Correct 261 ms 3016 KB Output is correct
56 Correct 111 ms 1788 KB Output is correct
57 Correct 275 ms 3140 KB Output is correct
58 Correct 139 ms 1896 KB Output is correct
59 Correct 175 ms 2248 KB Output is correct
60 Correct 49 ms 784 KB Output is correct
61 Correct 196 ms 2524 KB Output is correct
62 Correct 199 ms 2696 KB Output is correct
63 Correct 231 ms 2920 KB Output is correct
64 Correct 212 ms 2832 KB Output is correct
65 Correct 102 ms 1248 KB Output is correct
66 Correct 106 ms 1352 KB Output is correct
67 Correct 215 ms 2396 KB Output is correct
68 Correct 137 ms 1228 KB Output is correct
69 Correct 727 ms 5604 KB Output is correct
70 Correct 414 ms 3596 KB Output is correct
71 Correct 430 ms 3516 KB Output is correct
72 Correct 441 ms 2760 KB Output is correct
73 Correct 400 ms 2752 KB Output is correct
74 Correct 736 ms 5840 KB Output is correct
75 Correct 650 ms 4744 KB Output is correct
76 Correct 804 ms 6248 KB Output is correct
77 Correct 778 ms 6232 KB Output is correct