oj.uz

Submission #319228

# Submission time Handle Problem Language Result Execution time Memory
319228 2020-11-04T14:22:19 Z BeanZ Bootfall (IZhO17_bootfall) C++14
65 / 100
 600 ms 1284 KB 
// I_Love_LPL
#include <bits/stdc++.h>
using namespace std;
#define task "A"
#define ll int
#define endl '\n'
const int N = 505;
const int mod = 1e9 + 7;
ll a[N];
bool chk[505];
const int lim = 500 * 500 + 5;
const int lim2 = 500 * 500 / 2 + 1;
bitset<lim2> bit;
bitset<lim> bit2, tmp;
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    if (fopen(task".inp", "r")){
        freopen(task".inp", "r", stdin);
        freopen(task".out", "w", stdout);
    }
    ll n;
    cin >> n;
    ll sum = 0;
    for (int i = 1; i <= n; i++) cin >> a[i], sum += a[i];
    bit[0] = 1;
    for (int i = 1; i <= n; i++){
        bit |= (bit << a[i]);
    }
    if (bit[sum / 2] == 0) return cout << 0, 0;
    for (int i = 1; i < lim2; i++) bit2[i] = 1;
    for (int i = 1; i <= n; i++){
        if (chk[a[i]]) continue;
        chk[a[i]] = 1;
        bit.reset();
        bit[0] = 1;
        for (int j = 1; j <= n; j++){
            if (i == j) continue;
            bit |= (bit << a[j]);
        }
        tmp.reset();
        for (int j = 0; j <= lim; j++){
            if ((sum - j - a[i] - j) <= 0) break;
            if (bit[j] && ((sum - j - a[i] - j) > 0)){
                tmp[sum - j - a[i] - j] = 1;
            }
        }
        bit2 = bit2 & tmp;
    }
    vector<ll> ans;
    for (int i = 1; i < lim2; i++){
        if (bit2[i]) ans.push_back(i);
    }
    cout << ans.size() << endl;
    for (auto j : ans) cout << j << " ";
}
/*
4
1 3 1 5
6
3 5 7 11 9 13
3
2 2 2
*/

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:19:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   19 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:20:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   20 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 4 ms 620 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 2 ms 492 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 4 ms 620 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 12 ms 492 KB Output is correct
22 Correct 15 ms 492 KB Output is correct
23 Correct 8 ms 492 KB Output is correct
24 Correct 22 ms 492 KB Output is correct
25 Correct 5 ms 492 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 5 ms 492 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 34 ms 620 KB Output is correct
31 Correct 14 ms 492 KB Output is correct
32 Correct 23 ms 492 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 3 ms 492 KB Output is correct
36 Correct 26 ms 492 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 4 ms 620 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 12 ms 492 KB Output is correct
22 Correct 15 ms 492 KB Output is correct
23 Correct 8 ms 492 KB Output is correct
24 Correct 22 ms 492 KB Output is correct
25 Correct 5 ms 492 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 5 ms 492 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 34 ms 620 KB Output is correct
31 Correct 14 ms 492 KB Output is correct
32 Correct 23 ms 492 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 3 ms 492 KB Output is correct
36 Correct 26 ms 492 KB Output is correct
37 Correct 48 ms 612 KB Output is correct
38 Correct 52 ms 612 KB Output is correct
39 Correct 4 ms 492 KB Output is correct
40 Correct 179 ms 740 KB Output is correct
41 Correct 4 ms 492 KB Output is correct
42 Correct 138 ms 740 KB Output is correct
43 Correct 35 ms 868 KB Output is correct
44 Correct 36 ms 872 KB Output is correct
45 Correct 36 ms 876 KB Output is correct
46 Correct 170 ms 492 KB Output is correct
47 Correct 137 ms 740 KB Output is correct
48 Correct 11 ms 748 KB Output is correct
49 Correct 7 ms 492 KB Output is correct
50 Correct 150 ms 612 KB Output is correct
51 Correct 299 ms 492 KB Output is correct
52 Correct 20 ms 876 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 4 ms 620 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 12 ms 492 KB Output is correct
22 Correct 15 ms 492 KB Output is correct
23 Correct 8 ms 492 KB Output is correct
24 Correct 22 ms 492 KB Output is correct
25 Correct 5 ms 492 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 5 ms 492 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 34 ms 620 KB Output is correct
31 Correct 14 ms 492 KB Output is correct
32 Correct 23 ms 492 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 3 ms 492 KB Output is correct
36 Correct 26 ms 492 KB Output is correct
37 Correct 48 ms 612 KB Output is correct
38 Correct 52 ms 612 KB Output is correct
39 Correct 4 ms 492 KB Output is correct
40 Correct 179 ms 740 KB Output is correct
41 Correct 4 ms 492 KB Output is correct
42 Correct 138 ms 740 KB Output is correct
43 Correct 35 ms 868 KB Output is correct
44 Correct 36 ms 872 KB Output is correct
45 Correct 36 ms 876 KB Output is correct
46 Correct 170 ms 492 KB Output is correct
47 Correct 137 ms 740 KB Output is correct
48 Correct 11 ms 748 KB Output is correct
49 Correct 7 ms 492 KB Output is correct
50 Correct 150 ms 612 KB Output is correct
51 Correct 299 ms 492 KB Output is correct
52 Correct 20 ms 876 KB Output is correct
53 Correct 174 ms 868 KB Output is correct
54 Correct 208 ms 896 KB Output is correct
55 Correct 31 ms 1128 KB Output is correct
56 Correct 200 ms 996 KB Output is correct
57 Correct 36 ms 1128 KB Output is correct
58 Correct 309 ms 868 KB Output is correct
59 Correct 174 ms 1000 KB Output is correct
60 Correct 600 ms 508 KB Output is correct
61 Correct 177 ms 1128 KB Output is correct
62 Correct 89 ms 1000 KB Output is correct
63 Correct 50 ms 1124 KB Output is correct
64 Correct 48 ms 1128 KB Output is correct
65 Correct 16 ms 492 KB Output is correct
66 Correct 55 ms 492 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 4 ms 620 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 12 ms 492 KB Output is correct
22 Correct 15 ms 492 KB Output is correct
23 Correct 8 ms 492 KB Output is correct
24 Correct 22 ms 492 KB Output is correct
25 Correct 5 ms 492 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 5 ms 492 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 34 ms 620 KB Output is correct
31 Correct 14 ms 492 KB Output is correct
32 Correct 23 ms 492 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 3 ms 492 KB Output is correct
36 Correct 26 ms 492 KB Output is correct
37 Correct 48 ms 612 KB Output is correct
38 Correct 52 ms 612 KB Output is correct
39 Correct 4 ms 492 KB Output is correct
40 Correct 179 ms 740 KB Output is correct
41 Correct 4 ms 492 KB Output is correct
42 Correct 138 ms 740 KB Output is correct
43 Correct 35 ms 868 KB Output is correct
44 Correct 36 ms 872 KB Output is correct
45 Correct 36 ms 876 KB Output is correct
46 Correct 170 ms 492 KB Output is correct
47 Correct 137 ms 740 KB Output is correct
48 Correct 11 ms 748 KB Output is correct
49 Correct 7 ms 492 KB Output is correct
50 Correct 150 ms 612 KB Output is correct
51 Correct 299 ms 492 KB Output is correct
52 Correct 20 ms 876 KB Output is correct
53 Correct 174 ms 868 KB Output is correct
54 Correct 208 ms 896 KB Output is correct
55 Correct 31 ms 1128 KB Output is correct
56 Correct 200 ms 996 KB Output is correct
57 Correct 36 ms 1128 KB Output is correct
58 Correct 309 ms 868 KB Output is correct
59 Correct 174 ms 1000 KB Output is correct
60 Correct 600 ms 508 KB Output is correct
61 Correct 177 ms 1128 KB Output is correct
62 Correct 89 ms 1000 KB Output is correct
63 Correct 50 ms 1124 KB Output is correct
64 Correct 48 ms 1128 KB Output is correct
65 Correct 16 ms 492 KB Output is correct
66 Correct 55 ms 492 KB Output is correct
67 Correct 399 ms 1128 KB Output is correct
68 Correct 3 ms 364 KB Output is correct
69 Incorrect 77 ms 1284 KB Output isn't correct
70 Halted 0 ms 0 KB -