oj.uz

Submission #679698

# Submission time Handle Problem Language Result Execution time Memory
679698 2023-01-09T01:47:59 Z vjudge1 Bootfall (IZhO17_bootfall) C++14
100 / 100
 680 ms 2956 KB 
#include <bits/stdc++.h>
using namespace std;

#define F first
#define S second
#define pb push_back
#define all(a) a.begin(), a.end()

typedef long long ll;
typedef pair<int, int> ii;

const int N = 500 + 5;
const int mod = 1e9 + 21;

int dp[N * N];
int n, sum;
int a[N], cnt[N * N];

void fix(int &a)
{
    if(a >= mod) a -= mod;
    if(a < 0) a += mod;
}

void add(int x)
{
    for(int i = sum; i >= x; i--)
    {
        dp[i] += dp[i - x];
        fix(dp[i]);
    }
}

void del(int x)
{
    for(int i = x; i <= sum; i++)
    {
        dp[i] -= dp[i - x];
        fix(dp[i]);
    }
}

void solve()
{
    cin >> n;
    for(int i = 1; i <= n; i++)
        cin >> a[i], sum += a[i];
    if(sum & 1) cout << 0, exit(0);
    
    int tmp = sum;
    sum /= 2;
    dp[0] = 1;
    for(int i = 1; i <= n; i++) 
        add(a[i]);
    if(dp[sum]== 0)
        cout << 0, exit(0);
        
    for(int i = 1; i <= n; i++)
    {
        del(a[i]);
        tmp -= a[i];
        vector<int> s;
        for(int i = 0; i <= tmp / 2; i++) if(dp[i] != 0)
        {
            int team1 = i;
            int team2 = tmp - team1;
            cnt[abs(team1 - team2)]++;
        }
        
        tmp += a[i];
        add(a[i]);
    }
    
    vector<int> res;
    for(int i = 1; i <= 500 * 500; i++)
        if(cnt[i] == n) res.pb(i);
    cout << res.size() << '\n';
    for(const int &x : res) cout << x << ' ';
}

signed main()
{
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
    // cin >> t;
    while(t--) solve();
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 2 ms 336 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 2 ms 336 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 5 ms 340 KB Output is correct
26 Correct 6 ms 340 KB Output is correct
27 Correct 4 ms 340 KB Output is correct
28 Correct 4 ms 388 KB Output is correct
29 Correct 4 ms 340 KB Output is correct
30 Correct 4 ms 340 KB Output is correct
31 Correct 9 ms 376 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 9 ms 384 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 2 ms 336 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 5 ms 340 KB Output is correct
26 Correct 6 ms 340 KB Output is correct
27 Correct 4 ms 340 KB Output is correct
28 Correct 4 ms 388 KB Output is correct
29 Correct 4 ms 340 KB Output is correct
30 Correct 4 ms 340 KB Output is correct
31 Correct 9 ms 376 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 9 ms 384 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct
37 Correct 24 ms 588 KB Output is correct
38 Correct 23 ms 500 KB Output is correct
39 Correct 33 ms 596 KB Output is correct
40 Correct 50 ms 640 KB Output is correct
41 Correct 46 ms 740 KB Output is correct
42 Correct 46 ms 620 KB Output is correct
43 Correct 78 ms 1016 KB Output is correct
44 Correct 84 ms 944 KB Output is correct
45 Correct 86 ms 1024 KB Output is correct
46 Correct 32 ms 468 KB Output is correct
47 Correct 54 ms 632 KB Output is correct
48 Correct 78 ms 924 KB Output is correct
49 Correct 93 ms 692 KB Output is correct
50 Correct 51 ms 716 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 215 ms 1100 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 2 ms 336 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 5 ms 340 KB Output is correct
26 Correct 6 ms 340 KB Output is correct
27 Correct 4 ms 340 KB Output is correct
28 Correct 4 ms 388 KB Output is correct
29 Correct 4 ms 340 KB Output is correct
30 Correct 4 ms 340 KB Output is correct
31 Correct 9 ms 376 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 9 ms 384 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct
37 Correct 24 ms 588 KB Output is correct
38 Correct 23 ms 500 KB Output is correct
39 Correct 33 ms 596 KB Output is correct
40 Correct 50 ms 640 KB Output is correct
41 Correct 46 ms 740 KB Output is correct
42 Correct 46 ms 620 KB Output is correct
43 Correct 78 ms 1016 KB Output is correct
44 Correct 84 ms 944 KB Output is correct
45 Correct 86 ms 1024 KB Output is correct
46 Correct 32 ms 468 KB Output is correct
47 Correct 54 ms 632 KB Output is correct
48 Correct 78 ms 924 KB Output is correct
49 Correct 93 ms 692 KB Output is correct
50 Correct 51 ms 716 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 215 ms 1100 KB Output is correct
53 Correct 78 ms 932 KB Output is correct
54 Correct 120 ms 936 KB Output is correct
55 Correct 215 ms 1488 KB Output is correct
56 Correct 98 ms 1020 KB Output is correct
57 Correct 230 ms 1572 KB Output is correct
58 Correct 131 ms 1080 KB Output is correct
59 Correct 162 ms 1152 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 178 ms 1328 KB Output is correct
62 Correct 173 ms 1388 KB Output is correct
63 Correct 185 ms 1524 KB Output is correct
64 Correct 185 ms 1420 KB Output is correct
65 Correct 43 ms 596 KB Output is correct
66 Correct 43 ms 620 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 2 ms 336 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 5 ms 340 KB Output is correct
26 Correct 6 ms 340 KB Output is correct
27 Correct 4 ms 340 KB Output is correct
28 Correct 4 ms 388 KB Output is correct
29 Correct 4 ms 340 KB Output is correct
30 Correct 4 ms 340 KB Output is correct
31 Correct 9 ms 376 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 9 ms 384 KB Output is correct
35 Correct 4 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct
37 Correct 24 ms 588 KB Output is correct
38 Correct 23 ms 500 KB Output is correct
39 Correct 33 ms 596 KB Output is correct
40 Correct 50 ms 640 KB Output is correct
41 Correct 46 ms 740 KB Output is correct
42 Correct 46 ms 620 KB Output is correct
43 Correct 78 ms 1016 KB Output is correct
44 Correct 84 ms 944 KB Output is correct
45 Correct 86 ms 1024 KB Output is correct
46 Correct 32 ms 468 KB Output is correct
47 Correct 54 ms 632 KB Output is correct
48 Correct 78 ms 924 KB Output is correct
49 Correct 93 ms 692 KB Output is correct
50 Correct 51 ms 716 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 215 ms 1100 KB Output is correct
53 Correct 78 ms 932 KB Output is correct
54 Correct 120 ms 936 KB Output is correct
55 Correct 215 ms 1488 KB Output is correct
56 Correct 98 ms 1020 KB Output is correct
57 Correct 230 ms 1572 KB Output is correct
58 Correct 131 ms 1080 KB Output is correct
59 Correct 162 ms 1152 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 178 ms 1328 KB Output is correct
62 Correct 173 ms 1388 KB Output is correct
63 Correct 185 ms 1524 KB Output is correct
64 Correct 185 ms 1420 KB Output is correct
65 Correct 43 ms 596 KB Output is correct
66 Correct 43 ms 620 KB Output is correct
67 Correct 172 ms 1300 KB Output is correct
68 Correct 178 ms 564 KB Output is correct
69 Correct 662 ms 2760 KB Output is correct
70 Correct 407 ms 1844 KB Output is correct
71 Correct 364 ms 1812 KB Output is correct
72 Correct 362 ms 944 KB Output is correct
73 Correct 354 ms 944 KB Output is correct
74 Correct 649 ms 2780 KB Output is correct
75 Correct 489 ms 2356 KB Output is correct
76 Correct 650 ms 2900 KB Output is correct
77 Correct 680 ms 2956 KB Output is correct