oj.uz

Submission #156164

# Submission time Handle Problem Language Result Execution time Memory
156164 2019-10-04T08:43:19 Z andrew Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 4084 KB 
#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>

#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;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
const ll MAXN = 1123456;
const ll N = 501;
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>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

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

ll dp[MAXN], kol[MAXN];

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

    dp[0] = 1;

    ll n;

    cin >> n;

    vector <ll> a(n + 1);

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

    ll sc = 0;

    vector <ll> pref(n + 1);

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

    sc = pref[n];

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

    ll S;

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

        for(int j = 1; j <= M; j++){
            S = sc - a[i] + j;
            if(S % 2 == 0 && dp[S / 2])kol[j]++;
        }

        for(int j = M; j >= a[i]; j--){
            (dp[j] += dp[j - a[i]]) %= mod;
        }
    }

    vector <ll> ans;

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

    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 16 ms 2296 KB Output is correct
2 Correct 18 ms 2296 KB Output is correct
3 Correct 6 ms 2296 KB Output is correct
4 Correct 15 ms 2448 KB Output is correct
5 Correct 30 ms 2296 KB Output is correct
6 Correct 23 ms 2296 KB Output is correct
7 Correct 19 ms 2296 KB Output is correct
8 Correct 30 ms 2428 KB Output is correct
9 Correct 26 ms 2296 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2296 KB Output is correct
2 Correct 18 ms 2296 KB Output is correct
3 Correct 6 ms 2296 KB Output is correct
4 Correct 15 ms 2448 KB Output is correct
5 Correct 30 ms 2296 KB Output is correct
6 Correct 23 ms 2296 KB Output is correct
7 Correct 19 ms 2296 KB Output is correct
8 Correct 30 ms 2428 KB Output is correct
9 Correct 26 ms 2296 KB Output is correct
10 Correct 62 ms 2364 KB Output is correct
11 Correct 65 ms 2428 KB Output is correct
12 Correct 63 ms 2352 KB Output is correct
13 Correct 56 ms 2424 KB Output is correct
14 Correct 60 ms 2396 KB Output is correct
15 Correct 61 ms 2360 KB Output is correct
16 Correct 64 ms 2396 KB Output is correct
17 Correct 41 ms 2356 KB Output is correct
18 Correct 53 ms 2384 KB Output is correct
19 Correct 57 ms 2364 KB Output is correct
20 Correct 86 ms 2296 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2296 KB Output is correct
2 Correct 18 ms 2296 KB Output is correct
3 Correct 6 ms 2296 KB Output is correct
4 Correct 15 ms 2448 KB Output is correct
5 Correct 30 ms 2296 KB Output is correct
6 Correct 23 ms 2296 KB Output is correct
7 Correct 19 ms 2296 KB Output is correct
8 Correct 30 ms 2428 KB Output is correct
9 Correct 26 ms 2296 KB Output is correct
10 Correct 62 ms 2364 KB Output is correct
11 Correct 65 ms 2428 KB Output is correct
12 Correct 63 ms 2352 KB Output is correct
13 Correct 56 ms 2424 KB Output is correct
14 Correct 60 ms 2396 KB Output is correct
15 Correct 61 ms 2360 KB Output is correct
16 Correct 64 ms 2396 KB Output is correct
17 Correct 41 ms 2356 KB Output is correct
18 Correct 53 ms 2384 KB Output is correct
19 Correct 57 ms 2364 KB Output is correct
20 Correct 86 ms 2296 KB Output is correct
21 Correct 131 ms 2384 KB Output is correct
22 Correct 146 ms 2452 KB Output is correct
23 Correct 102 ms 2396 KB Output is correct
24 Correct 186 ms 2552 KB Output is correct
25 Correct 187 ms 2552 KB Output is correct
26 Correct 199 ms 2552 KB Output is correct
27 Correct 196 ms 2392 KB Output is correct
28 Correct 203 ms 2396 KB Output is correct
29 Correct 200 ms 2424 KB Output is correct
30 Correct 205 ms 2468 KB Output is correct
31 Correct 205 ms 2552 KB Output is correct
32 Correct 199 ms 2396 KB Output is correct
33 Correct 198 ms 2424 KB Output is correct
34 Correct 194 ms 2396 KB Output is correct
35 Correct 195 ms 2424 KB Output is correct
36 Correct 196 ms 2428 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2296 KB Output is correct
2 Correct 18 ms 2296 KB Output is correct
3 Correct 6 ms 2296 KB Output is correct
4 Correct 15 ms 2448 KB Output is correct
5 Correct 30 ms 2296 KB Output is correct
6 Correct 23 ms 2296 KB Output is correct
7 Correct 19 ms 2296 KB Output is correct
8 Correct 30 ms 2428 KB Output is correct
9 Correct 26 ms 2296 KB Output is correct
10 Correct 62 ms 2364 KB Output is correct
11 Correct 65 ms 2428 KB Output is correct
12 Correct 63 ms 2352 KB Output is correct
13 Correct 56 ms 2424 KB Output is correct
14 Correct 60 ms 2396 KB Output is correct
15 Correct 61 ms 2360 KB Output is correct
16 Correct 64 ms 2396 KB Output is correct
17 Correct 41 ms 2356 KB Output is correct
18 Correct 53 ms 2384 KB Output is correct
19 Correct 57 ms 2364 KB Output is correct
20 Correct 86 ms 2296 KB Output is correct
21 Correct 131 ms 2384 KB Output is correct
22 Correct 146 ms 2452 KB Output is correct
23 Correct 102 ms 2396 KB Output is correct
24 Correct 186 ms 2552 KB Output is correct
25 Correct 187 ms 2552 KB Output is correct
26 Correct 199 ms 2552 KB Output is correct
27 Correct 196 ms 2392 KB Output is correct
28 Correct 203 ms 2396 KB Output is correct
29 Correct 200 ms 2424 KB Output is correct
30 Correct 205 ms 2468 KB Output is correct
31 Correct 205 ms 2552 KB Output is correct
32 Correct 199 ms 2396 KB Output is correct
33 Correct 198 ms 2424 KB Output is correct
34 Correct 194 ms 2396 KB Output is correct
35 Correct 195 ms 2424 KB Output is correct
36 Correct 196 ms 2428 KB Output is correct
37 Correct 402 ms 2772 KB Output is correct
38 Correct 401 ms 2784 KB Output is correct
39 Correct 462 ms 2780 KB Output is correct
40 Correct 574 ms 2936 KB Output is correct
41 Correct 516 ms 2904 KB Output is correct
42 Correct 515 ms 2880 KB Output is correct
43 Correct 547 ms 3304 KB Output is correct
44 Correct 552 ms 3316 KB Output is correct
45 Correct 554 ms 3320 KB Output is correct
46 Correct 541 ms 2672 KB Output is correct
47 Correct 520 ms 2936 KB Output is correct
48 Correct 549 ms 3260 KB Output is correct
49 Correct 523 ms 2936 KB Output is correct
50 Correct 530 ms 2884 KB Output is correct
51 Correct 165 ms 2296 KB Output is correct
52 Correct 623 ms 3432 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2296 KB Output is correct
2 Correct 18 ms 2296 KB Output is correct
3 Correct 6 ms 2296 KB Output is correct
4 Correct 15 ms 2448 KB Output is correct
5 Correct 30 ms 2296 KB Output is correct
6 Correct 23 ms 2296 KB Output is correct
7 Correct 19 ms 2296 KB Output is correct
8 Correct 30 ms 2428 KB Output is correct
9 Correct 26 ms 2296 KB Output is correct
10 Correct 62 ms 2364 KB Output is correct
11 Correct 65 ms 2428 KB Output is correct
12 Correct 63 ms 2352 KB Output is correct
13 Correct 56 ms 2424 KB Output is correct
14 Correct 60 ms 2396 KB Output is correct
15 Correct 61 ms 2360 KB Output is correct
16 Correct 64 ms 2396 KB Output is correct
17 Correct 41 ms 2356 KB Output is correct
18 Correct 53 ms 2384 KB Output is correct
19 Correct 57 ms 2364 KB Output is correct
20 Correct 86 ms 2296 KB Output is correct
21 Correct 131 ms 2384 KB Output is correct
22 Correct 146 ms 2452 KB Output is correct
23 Correct 102 ms 2396 KB Output is correct
24 Correct 186 ms 2552 KB Output is correct
25 Correct 187 ms 2552 KB Output is correct
26 Correct 199 ms 2552 KB Output is correct
27 Correct 196 ms 2392 KB Output is correct
28 Correct 203 ms 2396 KB Output is correct
29 Correct 200 ms 2424 KB Output is correct
30 Correct 205 ms 2468 KB Output is correct
31 Correct 205 ms 2552 KB Output is correct
32 Correct 199 ms 2396 KB Output is correct
33 Correct 198 ms 2424 KB Output is correct
34 Correct 194 ms 2396 KB Output is correct
35 Correct 195 ms 2424 KB Output is correct
36 Correct 196 ms 2428 KB Output is correct
37 Correct 402 ms 2772 KB Output is correct
38 Correct 401 ms 2784 KB Output is correct
39 Correct 462 ms 2780 KB Output is correct
40 Correct 574 ms 2936 KB Output is correct
41 Correct 516 ms 2904 KB Output is correct
42 Correct 515 ms 2880 KB Output is correct
43 Correct 547 ms 3304 KB Output is correct
44 Correct 552 ms 3316 KB Output is correct
45 Correct 554 ms 3320 KB Output is correct
46 Correct 541 ms 2672 KB Output is correct
47 Correct 520 ms 2936 KB Output is correct
48 Correct 549 ms 3260 KB Output is correct
49 Correct 523 ms 2936 KB Output is correct
50 Correct 530 ms 2884 KB Output is correct
51 Correct 165 ms 2296 KB Output is correct
52 Correct 623 ms 3432 KB Output is correct
53 Correct 662 ms 2980 KB Output is correct
54 Correct 772 ms 3316 KB Output is correct
55 Correct 872 ms 3996 KB Output is correct
56 Correct 677 ms 3388 KB Output is correct
57 Correct 883 ms 4080 KB Output is correct
58 Correct 786 ms 3392 KB Output is correct
59 Correct 811 ms 3660 KB Output is correct
60 Correct 212 ms 2296 KB Output is correct
61 Correct 832 ms 3768 KB Output is correct
62 Correct 804 ms 3912 KB Output is correct
63 Correct 800 ms 4084 KB Output is correct
64 Correct 782 ms 3988 KB Output is correct
65 Correct 635 ms 2680 KB Output is correct
66 Correct 606 ms 2952 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2296 KB Output is correct
2 Correct 18 ms 2296 KB Output is correct
3 Correct 6 ms 2296 KB Output is correct
4 Correct 15 ms 2448 KB Output is correct
5 Correct 30 ms 2296 KB Output is correct
6 Correct 23 ms 2296 KB Output is correct
7 Correct 19 ms 2296 KB Output is correct
8 Correct 30 ms 2428 KB Output is correct
9 Correct 26 ms 2296 KB Output is correct
10 Correct 62 ms 2364 KB Output is correct
11 Correct 65 ms 2428 KB Output is correct
12 Correct 63 ms 2352 KB Output is correct
13 Correct 56 ms 2424 KB Output is correct
14 Correct 60 ms 2396 KB Output is correct
15 Correct 61 ms 2360 KB Output is correct
16 Correct 64 ms 2396 KB Output is correct
17 Correct 41 ms 2356 KB Output is correct
18 Correct 53 ms 2384 KB Output is correct
19 Correct 57 ms 2364 KB Output is correct
20 Correct 86 ms 2296 KB Output is correct
21 Correct 131 ms 2384 KB Output is correct
22 Correct 146 ms 2452 KB Output is correct
23 Correct 102 ms 2396 KB Output is correct
24 Correct 186 ms 2552 KB Output is correct
25 Correct 187 ms 2552 KB Output is correct
26 Correct 199 ms 2552 KB Output is correct
27 Correct 196 ms 2392 KB Output is correct
28 Correct 203 ms 2396 KB Output is correct
29 Correct 200 ms 2424 KB Output is correct
30 Correct 205 ms 2468 KB Output is correct
31 Correct 205 ms 2552 KB Output is correct
32 Correct 199 ms 2396 KB Output is correct
33 Correct 198 ms 2424 KB Output is correct
34 Correct 194 ms 2396 KB Output is correct
35 Correct 195 ms 2424 KB Output is correct
36 Correct 196 ms 2428 KB Output is correct
37 Correct 402 ms 2772 KB Output is correct
38 Correct 401 ms 2784 KB Output is correct
39 Correct 462 ms 2780 KB Output is correct
40 Correct 574 ms 2936 KB Output is correct
41 Correct 516 ms 2904 KB Output is correct
42 Correct 515 ms 2880 KB Output is correct
43 Correct 547 ms 3304 KB Output is correct
44 Correct 552 ms 3316 KB Output is correct
45 Correct 554 ms 3320 KB Output is correct
46 Correct 541 ms 2672 KB Output is correct
47 Correct 520 ms 2936 KB Output is correct
48 Correct 549 ms 3260 KB Output is correct
49 Correct 523 ms 2936 KB Output is correct
50 Correct 530 ms 2884 KB Output is correct
51 Correct 165 ms 2296 KB Output is correct
52 Correct 623 ms 3432 KB Output is correct
53 Correct 662 ms 2980 KB Output is correct
54 Correct 772 ms 3316 KB Output is correct
55 Correct 872 ms 3996 KB Output is correct
56 Correct 677 ms 3388 KB Output is correct
57 Correct 883 ms 4080 KB Output is correct
58 Correct 786 ms 3392 KB Output is correct
59 Correct 811 ms 3660 KB Output is correct
60 Correct 212 ms 2296 KB Output is correct
61 Correct 832 ms 3768 KB Output is correct
62 Correct 804 ms 3912 KB Output is correct
63 Correct 800 ms 4084 KB Output is correct
64 Correct 782 ms 3988 KB Output is correct
65 Correct 635 ms 2680 KB Output is correct
66 Correct 606 ms 2952 KB Output is correct
67 Correct 942 ms 3648 KB Output is correct
68 Correct 302 ms 2296 KB Output is correct
69 Execution timed out 1051 ms 3904 KB Time limit exceeded
70 Halted 0 ms 0 KB -