oj.uz

Submission #1088843

# Submission time Handle Problem Language Result Execution time Memory
1088843 2024-09-15T09:53:48 Z TrinhKhanhDung Bootfall (IZhO17_bootfall) C++14
100 / 100
 243 ms 3400 KB 
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define sz(x) (int)x.size()
#define ALL(v) v.begin(),v.end()
#define MASK(k) (1LL << (k))
#define BIT(x, i) (((x) >> (i)) & 1)
#define oo (ll)1e18
#define INF (ll)1e9
#define MOD (ll)(1e9 + 7)

using namespace std;

template<class T1, class T2>
    bool maximize(T1 &a, T2 b){if(a < b){a = b; return true;} return false;}

template<class T1, class T2>
    bool minimize(T1 &a, T2 b){if(a > b){a = b; return true;} return false;}

template<class T1, class T2>
    void add(T1 &a, T2 b){a += b; if(a >= MOD) a -= MOD;}

template<class T1, class T2>
    void sub(T1 &a, T2 b){a -= b; if(a < 0) a += MOD;}

template<class T>
    void cps(T &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}

const int MAX = 503;

int N;
int a[MAX], f[MAX * MAX];

void solve(){
    cin >> N;
    int S = 0;
    for(int i = 1; i <= N; i++){
        cin >> a[i];
        S += a[i];
    }
    f[0] = 1;
    for(int i = 1; i <= N; i++){
        for(int j = S; j >= a[i]; j--){
            f[j] += f[j - a[i]];
        }
    }

    if(S % 2 || !f[S / 2]){
        cout << 0 << '\n';
        return;
    }

    vector<int> ans;
    for(int i = 1; i <= S; i++) ans.push_back(i);
    for(int i = 1; i <= N; i++){
        for(int j = a[i]; j <= S; j++) f[j] -= f[j - a[i]];
        vector<int> tmp;
        tmp.reserve(sz(ans));
        for(int x: ans){
            int tS = S - a[i] + x;
            if(tS % 2 == 0 && f[tS / 2]){
                tmp.push_back(x);
            }
        }
        ans = tmp;
        for(int j = S; j >= a[i]; j--) f[j] += f[j - a[i]];
    }

    cout << sz(ans) << '\n';
    for(int x: ans) cout << x << ' ';
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    // freopen("order.inp","r",stdin);
    // freopen("order.out","w",stdout);

    solve();

    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 468 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 2 ms 600 KB Output is correct
28 Correct 3 ms 600 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 616 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 1 ms 344 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 2 ms 600 KB Output is correct
28 Correct 3 ms 600 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 616 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 8 ms 796 KB Output is correct
38 Correct 8 ms 604 KB Output is correct
39 Correct 20 ms 992 KB Output is correct
40 Correct 19 ms 856 KB Output is correct
41 Correct 25 ms 1248 KB Output is correct
42 Correct 16 ms 860 KB Output is correct
43 Correct 26 ms 1040 KB Output is correct
44 Correct 28 ms 1132 KB Output is correct
45 Correct 28 ms 1132 KB Output is correct
46 Correct 11 ms 600 KB Output is correct
47 Correct 17 ms 848 KB Output is correct
48 Correct 26 ms 1144 KB Output is correct
49 Correct 22 ms 992 KB Output is correct
50 Correct 17 ms 860 KB Output is correct
51 Correct 4 ms 432 KB Output is correct
52 Correct 35 ms 1248 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 2 ms 600 KB Output is correct
28 Correct 3 ms 600 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 616 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 8 ms 796 KB Output is correct
38 Correct 8 ms 604 KB Output is correct
39 Correct 20 ms 992 KB Output is correct
40 Correct 19 ms 856 KB Output is correct
41 Correct 25 ms 1248 KB Output is correct
42 Correct 16 ms 860 KB Output is correct
43 Correct 26 ms 1040 KB Output is correct
44 Correct 28 ms 1132 KB Output is correct
45 Correct 28 ms 1132 KB Output is correct
46 Correct 11 ms 600 KB Output is correct
47 Correct 17 ms 848 KB Output is correct
48 Correct 26 ms 1144 KB Output is correct
49 Correct 22 ms 992 KB Output is correct
50 Correct 17 ms 860 KB Output is correct
51 Correct 4 ms 432 KB Output is correct
52 Correct 35 ms 1248 KB Output is correct
53 Correct 27 ms 992 KB Output is correct
54 Correct 39 ms 1132 KB Output is correct
55 Correct 73 ms 1788 KB Output is correct
56 Correct 34 ms 1044 KB Output is correct
57 Correct 77 ms 1784 KB Output is correct
58 Correct 46 ms 1120 KB Output is correct
59 Correct 54 ms 1340 KB Output is correct
60 Correct 9 ms 600 KB Output is correct
61 Correct 59 ms 1444 KB Output is correct
62 Correct 59 ms 1564 KB Output is correct
63 Correct 64 ms 1548 KB Output is correct
64 Correct 61 ms 1556 KB Output is correct
65 Correct 24 ms 988 KB Output is correct
66 Correct 24 ms 1020 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 2 ms 600 KB Output is correct
28 Correct 3 ms 600 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 616 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 8 ms 796 KB Output is correct
38 Correct 8 ms 604 KB Output is correct
39 Correct 20 ms 992 KB Output is correct
40 Correct 19 ms 856 KB Output is correct
41 Correct 25 ms 1248 KB Output is correct
42 Correct 16 ms 860 KB Output is correct
43 Correct 26 ms 1040 KB Output is correct
44 Correct 28 ms 1132 KB Output is correct
45 Correct 28 ms 1132 KB Output is correct
46 Correct 11 ms 600 KB Output is correct
47 Correct 17 ms 848 KB Output is correct
48 Correct 26 ms 1144 KB Output is correct
49 Correct 22 ms 992 KB Output is correct
50 Correct 17 ms 860 KB Output is correct
51 Correct 4 ms 432 KB Output is correct
52 Correct 35 ms 1248 KB Output is correct
53 Correct 27 ms 992 KB Output is correct
54 Correct 39 ms 1132 KB Output is correct
55 Correct 73 ms 1788 KB Output is correct
56 Correct 34 ms 1044 KB Output is correct
57 Correct 77 ms 1784 KB Output is correct
58 Correct 46 ms 1120 KB Output is correct
59 Correct 54 ms 1340 KB Output is correct
60 Correct 9 ms 600 KB Output is correct
61 Correct 59 ms 1444 KB Output is correct
62 Correct 59 ms 1564 KB Output is correct
63 Correct 64 ms 1548 KB Output is correct
64 Correct 61 ms 1556 KB Output is correct
65 Correct 24 ms 988 KB Output is correct
66 Correct 24 ms 1020 KB Output is correct
67 Correct 64 ms 1328 KB Output is correct
68 Correct 26 ms 860 KB Output is correct
69 Correct 209 ms 3056 KB Output is correct
70 Correct 125 ms 2000 KB Output is correct
71 Correct 120 ms 2012 KB Output is correct
72 Correct 79 ms 1744 KB Output is correct
73 Correct 83 ms 1760 KB Output is correct
74 Correct 215 ms 3092 KB Output is correct
75 Correct 167 ms 2672 KB Output is correct
76 Correct 230 ms 3400 KB Output is correct
77 Correct 243 ms 3344 KB Output is correct