Submission #541114

# Submission time Handle Problem Language Result Execution time Memory
541114 2022-03-22T09:02:10 Z creeped Bootfall (IZhO17_bootfall) C++14
100 / 100
396 ms 5788 KB
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

const ll mod = 1e9 + 7;

ll n;
ll a[250002];
ll sum = 0;
ll cnt[250002];
ll mp[250002];

void add(int x) {
	for (int i = sum; i >= 0; i--) {
		cnt[i + x] += cnt[i];
		if (cnt[i + x] >= mod) cnt[i + x] -= mod;
	}
	sum += x;
}

void sub(int x) {
	for (int i = 0; i <= sum; i++) {
		cnt[i + x] += (mod - cnt[i]);
		if (cnt[i + x] >= mod) cnt[i + x] -= mod;
	}
	sum -= x;
}


int main() {

    cin>>n;
    cnt[0] = 1;
    for(ll i=1;i<=n;i++)
    {
        cin>>a[i];
        add(a[i]);
    }

    if(sum&1 || !cnt[sum/2])
    {
        cout<<"0\n";
        return 0;
    }

    for(ll i=1;i<=n;i++)
    {
        sub(a[i]);
        ll v = 2;
        if(sum & 1)
            v--;
        for(ll j=v; j<=sum; j+=2)
            if(cnt[(sum + j) / 2 - j])
                mp[j] ++;
                
        add(a[i]);
    }
    vector<ll> ans;
    for(ll i=1;i<=sum;i++)
        if(mp[i] == n)
            ans.push_back(i);
    cout<<ans.size()<<endl;
    for(auto it:ans)
        cout<<it<<" ";
    cout<<endl;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 4 ms 440 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 4 ms 468 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 2 ms 436 KB Output is correct
33 Correct 4 ms 468 KB Output is correct
34 Correct 4 ms 468 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 4 ms 440 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 4 ms 468 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 2 ms 436 KB Output is correct
33 Correct 4 ms 468 KB Output is correct
34 Correct 4 ms 468 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 15 ms 884 KB Output is correct
38 Correct 13 ms 852 KB Output is correct
39 Correct 48 ms 1276 KB Output is correct
40 Correct 28 ms 1096 KB Output is correct
41 Correct 61 ms 1324 KB Output is correct
42 Correct 24 ms 1052 KB Output is correct
43 Correct 44 ms 1564 KB Output is correct
44 Correct 45 ms 1568 KB Output is correct
45 Correct 49 ms 1700 KB Output is correct
46 Correct 28 ms 724 KB Output is correct
47 Correct 27 ms 1084 KB Output is correct
48 Correct 48 ms 1612 KB Output is correct
49 Correct 49 ms 1372 KB Output is correct
50 Correct 27 ms 1100 KB Output is correct
51 Correct 5 ms 468 KB Output is correct
52 Correct 62 ms 1836 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 4 ms 440 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 4 ms 468 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 2 ms 436 KB Output is correct
33 Correct 4 ms 468 KB Output is correct
34 Correct 4 ms 468 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 15 ms 884 KB Output is correct
38 Correct 13 ms 852 KB Output is correct
39 Correct 48 ms 1276 KB Output is correct
40 Correct 28 ms 1096 KB Output is correct
41 Correct 61 ms 1324 KB Output is correct
42 Correct 24 ms 1052 KB Output is correct
43 Correct 44 ms 1564 KB Output is correct
44 Correct 45 ms 1568 KB Output is correct
45 Correct 49 ms 1700 KB Output is correct
46 Correct 28 ms 724 KB Output is correct
47 Correct 27 ms 1084 KB Output is correct
48 Correct 48 ms 1612 KB Output is correct
49 Correct 49 ms 1372 KB Output is correct
50 Correct 27 ms 1100 KB Output is correct
51 Correct 5 ms 468 KB Output is correct
52 Correct 62 ms 1836 KB Output is correct
53 Correct 52 ms 1416 KB Output is correct
54 Correct 63 ms 1684 KB Output is correct
55 Correct 122 ms 2804 KB Output is correct
56 Correct 53 ms 1704 KB Output is correct
57 Correct 135 ms 2888 KB Output is correct
58 Correct 71 ms 1768 KB Output is correct
59 Correct 86 ms 2140 KB Output is correct
60 Correct 11 ms 756 KB Output is correct
61 Correct 101 ms 2284 KB Output is correct
62 Correct 108 ms 2560 KB Output is correct
63 Correct 110 ms 2684 KB Output is correct
64 Correct 103 ms 2668 KB Output is correct
65 Correct 48 ms 1076 KB Output is correct
66 Correct 53 ms 1256 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 4 ms 440 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 4 ms 468 KB Output is correct
29 Correct 4 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 2 ms 436 KB Output is correct
33 Correct 4 ms 468 KB Output is correct
34 Correct 4 ms 468 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 15 ms 884 KB Output is correct
38 Correct 13 ms 852 KB Output is correct
39 Correct 48 ms 1276 KB Output is correct
40 Correct 28 ms 1096 KB Output is correct
41 Correct 61 ms 1324 KB Output is correct
42 Correct 24 ms 1052 KB Output is correct
43 Correct 44 ms 1564 KB Output is correct
44 Correct 45 ms 1568 KB Output is correct
45 Correct 49 ms 1700 KB Output is correct
46 Correct 28 ms 724 KB Output is correct
47 Correct 27 ms 1084 KB Output is correct
48 Correct 48 ms 1612 KB Output is correct
49 Correct 49 ms 1372 KB Output is correct
50 Correct 27 ms 1100 KB Output is correct
51 Correct 5 ms 468 KB Output is correct
52 Correct 62 ms 1836 KB Output is correct
53 Correct 52 ms 1416 KB Output is correct
54 Correct 63 ms 1684 KB Output is correct
55 Correct 122 ms 2804 KB Output is correct
56 Correct 53 ms 1704 KB Output is correct
57 Correct 135 ms 2888 KB Output is correct
58 Correct 71 ms 1768 KB Output is correct
59 Correct 86 ms 2140 KB Output is correct
60 Correct 11 ms 756 KB Output is correct
61 Correct 101 ms 2284 KB Output is correct
62 Correct 108 ms 2560 KB Output is correct
63 Correct 110 ms 2684 KB Output is correct
64 Correct 103 ms 2668 KB Output is correct
65 Correct 48 ms 1076 KB Output is correct
66 Correct 53 ms 1256 KB Output is correct
67 Correct 101 ms 2196 KB Output is correct
68 Correct 33 ms 1200 KB Output is correct
69 Correct 342 ms 5136 KB Output is correct
70 Correct 242 ms 3324 KB Output is correct
71 Correct 191 ms 3216 KB Output is correct
72 Correct 194 ms 2272 KB Output is correct
73 Correct 199 ms 2308 KB Output is correct
74 Correct 349 ms 5464 KB Output is correct
75 Correct 287 ms 4296 KB Output is correct
76 Correct 373 ms 5624 KB Output is correct
77 Correct 396 ms 5788 KB Output is correct