oj.uz

Submission #156170

# Submission time Handle Problem Language Result Execution time Memory
156170 2019-10-04T08:52:07 Z andrew Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 3760 KB 
#include <bits/stdc++.h>

#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")

#define fi first
#define se second
#define p_b push_back
#define pll pair<ll,ll>
#define pii pair<int,int>
#define m_p make_pair
#define all(x) x.begin(),x.end()
#define sset ordered_set
#define sqr(x) (x)*(x)
#define pw(x) (1ll << x)

using namespace std;
typedef long long ll;
typedef long double ld;
const ll MAXN = 1123456;
const ll N = 500;
const ll M = N * N;
const ll mod = 1e9 + 7;
const ll inf = 3e18;
mt19937_64 rnd(chrono::system_clock::now().time_since_epoch().count());

template <typename T> void vout(T s){cout << s << endl;exit(0);}

int dp[MAXN], kol[MAXN];

bool f[MAXN];

int main(){
    ios_base :: sync_with_stdio(0);
    cin.tie(0);

    dp[0] = 1;

    int n;

    cin >> n;

    vector <int> a(n + 1);

    for(int i = 1; i <= n; i++)cin >> a[i];

    int sc = 0;

    vector <int> pref(n + 1);

    for(int i = 1; i <= n; i++){
        for(int j = pref[i - 1] + a[i]; j >= a[i]; j--){
            dp[j] += dp[j - a[i]];
            if(dp[j] >= mod)dp[j] -= mod;
        }
        pref[i] = pref[i - 1] + a[i];
    }

    sc = pref[n];

    if(sc % 2)vout(0);
    if(!dp[sc / 2])vout(0);

    int S;

    vector <int> ans, can;

    for(int i = 1; i <= pref[n]; i++)ans.p_b(i);

    for(int i = 1; i <= n; i++){
        if(f[a[i]])continue;
        f[a[i]] = 1;
        for(int j = a[i]; j <= pref[n]; j++){
            dp[j] -= dp[j - a[i]];
            if(dp[j] < 0)dp[j] += mod;
        }

        for(auto j : ans){
            S = sc - a[i] + j;
            if(S % 2 == 0 && dp[S / 2])can.p_b(j);
        }

        ans.clear();
        ans = can;
        can.clear();

        for(int j = pref[n]; j >= a[i]; j--){
            dp[j] += dp[j - a[i]];
            if(dp[j] >= mod)dp[j] -= mod;
        }
    }

    cout << ans.size() << "\n";

    for(auto i : ans)cout << i << " ";
    cout << "\n";

    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 1 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 1 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 4 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 4 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 8 ms 376 KB Output is correct
31 Correct 7 ms 504 KB Output is correct
32 Correct 7 ms 480 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 508 KB Output is correct
35 Correct 4 ms 504 KB Output is correct
36 Correct 7 ms 512 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 1 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 4 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 4 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 8 ms 376 KB Output is correct
31 Correct 7 ms 504 KB Output is correct
32 Correct 7 ms 480 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 508 KB Output is correct
35 Correct 4 ms 504 KB Output is correct
36 Correct 7 ms 512 KB Output is correct
37 Correct 31 ms 760 KB Output is correct
38 Correct 33 ms 724 KB Output is correct
39 Correct 14 ms 1016 KB Output is correct
40 Correct 107 ms 812 KB Output is correct
41 Correct 17 ms 1272 KB Output is correct
42 Correct 92 ms 768 KB Output is correct
43 Correct 74 ms 1144 KB Output is correct
44 Correct 75 ms 1244 KB Output is correct
45 Correct 76 ms 1144 KB Output is correct
46 Correct 57 ms 760 KB Output is correct
47 Correct 91 ms 760 KB Output is correct
48 Correct 44 ms 1144 KB Output is correct
49 Correct 29 ms 1016 KB Output is correct
50 Correct 100 ms 760 KB Output is correct
51 Correct 30 ms 504 KB Output is correct
52 Correct 74 ms 1276 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 1 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 4 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 4 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 8 ms 376 KB Output is correct
31 Correct 7 ms 504 KB Output is correct
32 Correct 7 ms 480 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 508 KB Output is correct
35 Correct 4 ms 504 KB Output is correct
36 Correct 7 ms 512 KB Output is correct
37 Correct 31 ms 760 KB Output is correct
38 Correct 33 ms 724 KB Output is correct
39 Correct 14 ms 1016 KB Output is correct
40 Correct 107 ms 812 KB Output is correct
41 Correct 17 ms 1272 KB Output is correct
42 Correct 92 ms 768 KB Output is correct
43 Correct 74 ms 1144 KB Output is correct
44 Correct 75 ms 1244 KB Output is correct
45 Correct 76 ms 1144 KB Output is correct
46 Correct 57 ms 760 KB Output is correct
47 Correct 91 ms 760 KB Output is correct
48 Correct 44 ms 1144 KB Output is correct
49 Correct 29 ms 1016 KB Output is correct
50 Correct 100 ms 760 KB Output is correct
51 Correct 30 ms 504 KB Output is correct
52 Correct 74 ms 1276 KB Output is correct
53 Correct 142 ms 1052 KB Output is correct
54 Correct 184 ms 1144 KB Output is correct
55 Correct 157 ms 1944 KB Output is correct
56 Correct 186 ms 1264 KB Output is correct
57 Correct 175 ms 2048 KB Output is correct
58 Correct 259 ms 1272 KB Output is correct
59 Correct 225 ms 1648 KB Output is correct
60 Correct 81 ms 632 KB Output is correct
61 Correct 254 ms 1908 KB Output is correct
62 Correct 196 ms 1780 KB Output is correct
63 Correct 167 ms 1908 KB Output is correct
64 Correct 162 ms 2088 KB Output is correct
65 Correct 17 ms 888 KB Output is correct
66 Correct 35 ms 1016 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 1 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 4 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 4 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 8 ms 376 KB Output is correct
31 Correct 7 ms 504 KB Output is correct
32 Correct 7 ms 480 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 508 KB Output is correct
35 Correct 4 ms 504 KB Output is correct
36 Correct 7 ms 512 KB Output is correct
37 Correct 31 ms 760 KB Output is correct
38 Correct 33 ms 724 KB Output is correct
39 Correct 14 ms 1016 KB Output is correct
40 Correct 107 ms 812 KB Output is correct
41 Correct 17 ms 1272 KB Output is correct
42 Correct 92 ms 768 KB Output is correct
43 Correct 74 ms 1144 KB Output is correct
44 Correct 75 ms 1244 KB Output is correct
45 Correct 76 ms 1144 KB Output is correct
46 Correct 57 ms 760 KB Output is correct
47 Correct 91 ms 760 KB Output is correct
48 Correct 44 ms 1144 KB Output is correct
49 Correct 29 ms 1016 KB Output is correct
50 Correct 100 ms 760 KB Output is correct
51 Correct 30 ms 504 KB Output is correct
52 Correct 74 ms 1276 KB Output is correct
53 Correct 142 ms 1052 KB Output is correct
54 Correct 184 ms 1144 KB Output is correct
55 Correct 157 ms 1944 KB Output is correct
56 Correct 186 ms 1264 KB Output is correct
57 Correct 175 ms 2048 KB Output is correct
58 Correct 259 ms 1272 KB Output is correct
59 Correct 225 ms 1648 KB Output is correct
60 Correct 81 ms 632 KB Output is correct
61 Correct 254 ms 1908 KB Output is correct
62 Correct 196 ms 1780 KB Output is correct
63 Correct 167 ms 1908 KB Output is correct
64 Correct 162 ms 2088 KB Output is correct
65 Correct 17 ms 888 KB Output is correct
66 Correct 35 ms 1016 KB Output is correct
67 Correct 351 ms 1688 KB Output is correct
68 Correct 130 ms 760 KB Output is correct
69 Correct 484 ms 3760 KB Output is correct
70 Correct 788 ms 2264 KB Output is correct
71 Correct 764 ms 2240 KB Output is correct
72 Execution timed out 1078 ms 1908 KB Time limit exceeded
73 Halted 0 ms 0 KB -