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답안 #156168

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
156168 2019-10-04T08:49:12 Z andrew Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 2976 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];

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++){
        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

# 결과 실행 시간 메모리 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 380 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

# 결과 실행 시간 메모리 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 380 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 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 380 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 6 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 10 ms 376 KB Output is correct
25 Correct 14 ms 504 KB Output is correct
26 Correct 16 ms 508 KB Output is correct
27 Correct 11 ms 504 KB Output is correct
28 Correct 11 ms 504 KB Output is correct
29 Correct 12 ms 504 KB Output is correct
30 Correct 11 ms 376 KB Output is correct
31 Correct 15 ms 532 KB Output is correct
32 Correct 11 ms 376 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 10 ms 504 KB Output is correct
36 Correct 11 ms 376 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 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 380 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 6 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 10 ms 376 KB Output is correct
25 Correct 14 ms 504 KB Output is correct
26 Correct 16 ms 508 KB Output is correct
27 Correct 11 ms 504 KB Output is correct
28 Correct 11 ms 504 KB Output is correct
29 Correct 12 ms 504 KB Output is correct
30 Correct 11 ms 376 KB Output is correct
31 Correct 15 ms 532 KB Output is correct
32 Correct 11 ms 376 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 10 ms 504 KB Output is correct
36 Correct 11 ms 376 KB Output is correct
37 Correct 76 ms 676 KB Output is correct
38 Correct 79 ms 720 KB Output is correct
39 Correct 56 ms 1020 KB Output is correct
40 Correct 175 ms 912 KB Output is correct
41 Correct 72 ms 1400 KB Output is correct
42 Correct 149 ms 860 KB Output is correct
43 Correct 257 ms 1148 KB Output is correct
44 Correct 267 ms 1208 KB Output is correct
45 Correct 271 ms 1144 KB Output is correct
46 Correct 93 ms 888 KB Output is correct
47 Correct 163 ms 860 KB Output is correct
48 Correct 235 ms 1144 KB Output is correct
49 Correct 158 ms 1016 KB Output is correct
50 Correct 165 ms 760 KB Output is correct
51 Correct 30 ms 504 KB Output is correct
52 Correct 338 ms 1356 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 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 380 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 6 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 10 ms 376 KB Output is correct
25 Correct 14 ms 504 KB Output is correct
26 Correct 16 ms 508 KB Output is correct
27 Correct 11 ms 504 KB Output is correct
28 Correct 11 ms 504 KB Output is correct
29 Correct 12 ms 504 KB Output is correct
30 Correct 11 ms 376 KB Output is correct
31 Correct 15 ms 532 KB Output is correct
32 Correct 11 ms 376 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 10 ms 504 KB Output is correct
36 Correct 11 ms 376 KB Output is correct
37 Correct 76 ms 676 KB Output is correct
38 Correct 79 ms 720 KB Output is correct
39 Correct 56 ms 1020 KB Output is correct
40 Correct 175 ms 912 KB Output is correct
41 Correct 72 ms 1400 KB Output is correct
42 Correct 149 ms 860 KB Output is correct
43 Correct 257 ms 1148 KB Output is correct
44 Correct 267 ms 1208 KB Output is correct
45 Correct 271 ms 1144 KB Output is correct
46 Correct 93 ms 888 KB Output is correct
47 Correct 163 ms 860 KB Output is correct
48 Correct 235 ms 1144 KB Output is correct
49 Correct 158 ms 1016 KB Output is correct
50 Correct 165 ms 760 KB Output is correct
51 Correct 30 ms 504 KB Output is correct
52 Correct 338 ms 1356 KB Output is correct
53 Correct 273 ms 1272 KB Output is correct
54 Correct 388 ms 1272 KB Output is correct
55 Correct 722 ms 2132 KB Output is correct
56 Correct 341 ms 1144 KB Output is correct
57 Correct 773 ms 2048 KB Output is correct
58 Correct 430 ms 1272 KB Output is correct
59 Correct 531 ms 1592 KB Output is correct
60 Correct 79 ms 760 KB Output is correct
61 Correct 596 ms 1736 KB Output is correct
62 Correct 604 ms 1856 KB Output is correct
63 Correct 643 ms 1928 KB Output is correct
64 Correct 622 ms 1928 KB Output is correct
65 Correct 70 ms 1016 KB Output is correct
66 Correct 116 ms 988 KB Output is correct

Subtask #6
0 / 35.0

# 결과 실행 시간 메모리 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 380 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 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 6 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 10 ms 376 KB Output is correct
25 Correct 14 ms 504 KB Output is correct
26 Correct 16 ms 508 KB Output is correct
27 Correct 11 ms 504 KB Output is correct
28 Correct 11 ms 504 KB Output is correct
29 Correct 12 ms 504 KB Output is correct
30 Correct 11 ms 376 KB Output is correct
31 Correct 15 ms 532 KB Output is correct
32 Correct 11 ms 376 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 6 ms 504 KB Output is correct
35 Correct 10 ms 504 KB Output is correct
36 Correct 11 ms 376 KB Output is correct
37 Correct 76 ms 676 KB Output is correct
38 Correct 79 ms 720 KB Output is correct
39 Correct 56 ms 1020 KB Output is correct
40 Correct 175 ms 912 KB Output is correct
41 Correct 72 ms 1400 KB Output is correct
42 Correct 149 ms 860 KB Output is correct
43 Correct 257 ms 1148 KB Output is correct
44 Correct 267 ms 1208 KB Output is correct
45 Correct 271 ms 1144 KB Output is correct
46 Correct 93 ms 888 KB Output is correct
47 Correct 163 ms 860 KB Output is correct
48 Correct 235 ms 1144 KB Output is correct
49 Correct 158 ms 1016 KB Output is correct
50 Correct 165 ms 760 KB Output is correct
51 Correct 30 ms 504 KB Output is correct
52 Correct 338 ms 1356 KB Output is correct
53 Correct 273 ms 1272 KB Output is correct
54 Correct 388 ms 1272 KB Output is correct
55 Correct 722 ms 2132 KB Output is correct
56 Correct 341 ms 1144 KB Output is correct
57 Correct 773 ms 2048 KB Output is correct
58 Correct 430 ms 1272 KB Output is correct
59 Correct 531 ms 1592 KB Output is correct
60 Correct 79 ms 760 KB Output is correct
61 Correct 596 ms 1736 KB Output is correct
62 Correct 604 ms 1856 KB Output is correct
63 Correct 643 ms 1928 KB Output is correct
64 Correct 622 ms 1928 KB Output is correct
65 Correct 70 ms 1016 KB Output is correct
66 Correct 116 ms 988 KB Output is correct
67 Correct 624 ms 1592 KB Output is correct
68 Correct 133 ms 860 KB Output is correct
69 Execution timed out 1077 ms 2976 KB Time limit exceeded
70 Halted 0 ms 0 KB -