답안 #679696

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
679696	2023-01-09T01:44:34 Z	vjudge1	Bootfall (IZhO17_bootfall)	C++14	65 / 100	1000 ms	3024 KB

bootfall

#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 ii mod = {1e9 + 7, 1e9 + 21};

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

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

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

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

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, 1};
    for(int i = 1; i <= n; i++) 
        add(a[i]);
    if(dp[sum].F == 0 && dp[sum].S == 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].F != 0 || dp[i].S != 0)
            {
                int team1 = i;
                int team2 = tmp - team1;
                s.pb(abs(team1 - team2));
            }
        sort(all(s));
        s.resize(unique(all(s)) - s.begin());
        for(int x : s) cnt[x]++;
        
        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

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	2 ms	340 KB	Output is correct
5	Correct	2 ms	340 KB	Output is correct
6	Correct	1 ms	328 KB	Output is correct
7	Correct	2 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	2 ms	340 KB	Output is correct
5	Correct	2 ms	340 KB	Output is correct
6	Correct	1 ms	328 KB	Output is correct
7	Correct	2 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	324 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	2 ms	340 KB	Output is correct
16	Correct	2 ms	212 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	2 ms	328 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	2 ms	340 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	2 ms	340 KB	Output is correct
5	Correct	2 ms	340 KB	Output is correct
6	Correct	1 ms	328 KB	Output is correct
7	Correct	2 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	324 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	2 ms	340 KB	Output is correct
16	Correct	2 ms	212 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	2 ms	328 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	2 ms	340 KB	Output is correct
21	Correct	4 ms	372 KB	Output is correct
22	Correct	5 ms	380 KB	Output is correct
23	Correct	3 ms	332 KB	Output is correct
24	Correct	8 ms	340 KB	Output is correct
25	Correct	12 ms	340 KB	Output is correct
26	Correct	13 ms	440 KB	Output is correct
27	Correct	9 ms	340 KB	Output is correct
28	Correct	9 ms	340 KB	Output is correct
29	Correct	11 ms	436 KB	Output is correct
30	Correct	10 ms	328 KB	Output is correct
31	Correct	14 ms	328 KB	Output is correct
32	Correct	10 ms	340 KB	Output is correct
33	Correct	4 ms	328 KB	Output is correct
34	Correct	4 ms	412 KB	Output is correct
35	Correct	9 ms	340 KB	Output is correct
36	Correct	10 ms	340 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	2 ms	340 KB	Output is correct
5	Correct	2 ms	340 KB	Output is correct
6	Correct	1 ms	328 KB	Output is correct
7	Correct	2 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	324 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	2 ms	340 KB	Output is correct
16	Correct	2 ms	212 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	2 ms	328 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	2 ms	340 KB	Output is correct
21	Correct	4 ms	372 KB	Output is correct
22	Correct	5 ms	380 KB	Output is correct
23	Correct	3 ms	332 KB	Output is correct
24	Correct	8 ms	340 KB	Output is correct
25	Correct	12 ms	340 KB	Output is correct
26	Correct	13 ms	440 KB	Output is correct
27	Correct	9 ms	340 KB	Output is correct
28	Correct	9 ms	340 KB	Output is correct
29	Correct	11 ms	436 KB	Output is correct
30	Correct	10 ms	328 KB	Output is correct
31	Correct	14 ms	328 KB	Output is correct
32	Correct	10 ms	340 KB	Output is correct
33	Correct	4 ms	328 KB	Output is correct
34	Correct	4 ms	412 KB	Output is correct
35	Correct	9 ms	340 KB	Output is correct
36	Correct	10 ms	340 KB	Output is correct
37	Correct	75 ms	584 KB	Output is correct
38	Correct	75 ms	576 KB	Output is correct
39	Correct	41 ms	724 KB	Output is correct
40	Correct	166 ms	696 KB	Output is correct
41	Correct	52 ms	852 KB	Output is correct
42	Correct	147 ms	692 KB	Output is correct
43	Correct	293 ms	1024 KB	Output is correct
44	Correct	268 ms	1084 KB	Output is correct
45	Correct	271 ms	1092 KB	Output is correct
46	Correct	97 ms	596 KB	Output is correct
47	Correct	155 ms	700 KB	Output is correct
48	Correct	235 ms	1100 KB	Output is correct
49	Correct	154 ms	928 KB	Output is correct
50	Correct	158 ms	696 KB	Output is correct
51	Correct	1 ms	328 KB	Output is correct
52	Correct	336 ms	1412 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	2 ms	340 KB	Output is correct
5	Correct	2 ms	340 KB	Output is correct
6	Correct	1 ms	328 KB	Output is correct
7	Correct	2 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	324 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	2 ms	340 KB	Output is correct
16	Correct	2 ms	212 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	2 ms	328 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	2 ms	340 KB	Output is correct
21	Correct	4 ms	372 KB	Output is correct
22	Correct	5 ms	380 KB	Output is correct
23	Correct	3 ms	332 KB	Output is correct
24	Correct	8 ms	340 KB	Output is correct
25	Correct	12 ms	340 KB	Output is correct
26	Correct	13 ms	440 KB	Output is correct
27	Correct	9 ms	340 KB	Output is correct
28	Correct	9 ms	340 KB	Output is correct
29	Correct	11 ms	436 KB	Output is correct
30	Correct	10 ms	328 KB	Output is correct
31	Correct	14 ms	328 KB	Output is correct
32	Correct	10 ms	340 KB	Output is correct
33	Correct	4 ms	328 KB	Output is correct
34	Correct	4 ms	412 KB	Output is correct
35	Correct	9 ms	340 KB	Output is correct
36	Correct	10 ms	340 KB	Output is correct
37	Correct	75 ms	584 KB	Output is correct
38	Correct	75 ms	576 KB	Output is correct
39	Correct	41 ms	724 KB	Output is correct
40	Correct	166 ms	696 KB	Output is correct
41	Correct	52 ms	852 KB	Output is correct
42	Correct	147 ms	692 KB	Output is correct
43	Correct	293 ms	1024 KB	Output is correct
44	Correct	268 ms	1084 KB	Output is correct
45	Correct	271 ms	1092 KB	Output is correct
46	Correct	97 ms	596 KB	Output is correct
47	Correct	155 ms	700 KB	Output is correct
48	Correct	235 ms	1100 KB	Output is correct
49	Correct	154 ms	928 KB	Output is correct
50	Correct	158 ms	696 KB	Output is correct
51	Correct	1 ms	328 KB	Output is correct
52	Correct	336 ms	1412 KB	Output is correct
53	Correct	272 ms	968 KB	Output is correct
54	Correct	390 ms	1180 KB	Output is correct
55	Correct	738 ms	1900 KB	Output is correct
56	Correct	345 ms	1280 KB	Output is correct
57	Correct	830 ms	2068 KB	Output is correct
58	Correct	423 ms	1220 KB	Output is correct
59	Correct	551 ms	1564 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	629 ms	1676 KB	Output is correct
62	Correct	610 ms	1832 KB	Output is correct
63	Correct	641 ms	2004 KB	Output is correct
64	Correct	625 ms	1796 KB	Output is correct
65	Correct	52 ms	724 KB	Output is correct
66	Correct	96 ms	792 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	2 ms	340 KB	Output is correct
5	Correct	2 ms	340 KB	Output is correct
6	Correct	1 ms	328 KB	Output is correct
7	Correct	2 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	324 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	2 ms	340 KB	Output is correct
16	Correct	2 ms	212 KB	Output is correct
17	Correct	2 ms	340 KB	Output is correct
18	Correct	2 ms	328 KB	Output is correct
19	Correct	2 ms	340 KB	Output is correct
20	Correct	2 ms	340 KB	Output is correct
21	Correct	4 ms	372 KB	Output is correct
22	Correct	5 ms	380 KB	Output is correct
23	Correct	3 ms	332 KB	Output is correct
24	Correct	8 ms	340 KB	Output is correct
25	Correct	12 ms	340 KB	Output is correct
26	Correct	13 ms	440 KB	Output is correct
27	Correct	9 ms	340 KB	Output is correct
28	Correct	9 ms	340 KB	Output is correct
29	Correct	11 ms	436 KB	Output is correct
30	Correct	10 ms	328 KB	Output is correct
31	Correct	14 ms	328 KB	Output is correct
32	Correct	10 ms	340 KB	Output is correct
33	Correct	4 ms	328 KB	Output is correct
34	Correct	4 ms	412 KB	Output is correct
35	Correct	9 ms	340 KB	Output is correct
36	Correct	10 ms	340 KB	Output is correct
37	Correct	75 ms	584 KB	Output is correct
38	Correct	75 ms	576 KB	Output is correct
39	Correct	41 ms	724 KB	Output is correct
40	Correct	166 ms	696 KB	Output is correct
41	Correct	52 ms	852 KB	Output is correct
42	Correct	147 ms	692 KB	Output is correct
43	Correct	293 ms	1024 KB	Output is correct
44	Correct	268 ms	1084 KB	Output is correct
45	Correct	271 ms	1092 KB	Output is correct
46	Correct	97 ms	596 KB	Output is correct
47	Correct	155 ms	700 KB	Output is correct
48	Correct	235 ms	1100 KB	Output is correct
49	Correct	154 ms	928 KB	Output is correct
50	Correct	158 ms	696 KB	Output is correct
51	Correct	1 ms	328 KB	Output is correct
52	Correct	336 ms	1412 KB	Output is correct
53	Correct	272 ms	968 KB	Output is correct
54	Correct	390 ms	1180 KB	Output is correct
55	Correct	738 ms	1900 KB	Output is correct
56	Correct	345 ms	1280 KB	Output is correct
57	Correct	830 ms	2068 KB	Output is correct
58	Correct	423 ms	1220 KB	Output is correct
59	Correct	551 ms	1564 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	629 ms	1676 KB	Output is correct
62	Correct	610 ms	1832 KB	Output is correct
63	Correct	641 ms	2004 KB	Output is correct
64	Correct	625 ms	1796 KB	Output is correct
65	Correct	52 ms	724 KB	Output is correct
66	Correct	96 ms	792 KB	Output is correct
67	Correct	647 ms	1596 KB	Output is correct
68	Correct	132 ms	724 KB	Output is correct
69	Execution timed out	1090 ms	3024 KB	Time limit exceeded
70	Halted	0 ms	0 KB	-

답안 #679696

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
0 / 35.0