답안 #340380

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
340380 2020-12-27T13:37:35 Z balanda Bootfall (IZhO17_bootfall) C++17
28 / 100
1000 ms 5100 KB
/*
             _   _                    _           _                 _         __   _____ _____ _
            | | | |               _  | |         | |               | |       /  | |____ |  ___(_)
  __ _ _   _| |_| |__   ___  _ __(_) | |__   __ _| | __ _ _ __   __| | __ _  `| |     / /___ \ _  __ _
 / _` | | | | __| '_ \ / _ \| '__|   | '_ \ / _` | |/ _` | '_ \ / _` |/ _` |  | |     \ \   \ \ |/ _` |
| (_| | |_| | |_| | | | (_) | |   _  | |_) | (_| | | (_| | | | | (_| | (_| | _| |_.___/ /\__/ / | (_| |
 \__,_|\__,_|\__|_| |_|\___/|_|  (_) |_.__/ \__,_|_|\__,_|_| |_|\__,_|\__,_| \___/\____/\____/|_|\__, |
                                                                                                    | |
                                                                                                    |_|
  __ _  __ _   _ __ ___   __ ___   _________  ___
 / _` |/ _` | | '_ ` _ \ / _` \ \ / /_  / _ \/ __|
| (_| | (_| | | | | | | | (_| |\ V / / /  __/\__ \
 \__, |\__, | |_| |_| |_|\__,_| \_/ /___\___||___/
    | |   | |
    |_|   |_|
 * */
#include <bits/stdc++.h>

using namespace std;
#define endl '\n'
#define int long long

template<class T>
istream& operator>>(istream &in, vector<T> &v){
    for(auto &to: v) in >> to;
    return in;
}

template<class T>
ostream& operator<<(ostream &out, const vector<T> &v){
    for(auto &to: v) out << v << ' ';
    return out;
}


template<class U, class V>
istream& operator>>(istream &in, pair<U, V> &v){
    in >> v.first >> v.second;
    return in;
}

template<class U, class V>
ostream& operator<<(ostream &out, const pair<U, V> &v){
    out << v.first << ' ' << v.second;
    return out;
}

#ifdef DEBUG
#define dbg(x) cout << "debug:" << __LINE__ << ' ' << #x << "=" << x
#else
#define dbg(x) 42
#endif

int solve(){
    int n;
    cin >> n;
    vector<int> v(n);
    cin >> v;
    int sm = 0;
    for(int i = 0; i < n; i++)
        sm += v[i];
    vector<bitset<72902> > dpp(n + 1);
    vector<bitset<72902> > dps(n + 1);
    dpp[0][0] = 1;
    dps[n][0] = 1;
    for(int i = 1; i <= n; i++){
       dpp[i] = dpp[i - 1];
       dpp[i] |= (dpp[i - 1] << v[i - 1]);
    }
    for(int i = n - 1; i >= 0; i--){
        dps[i] = dps[i + 1];
        dps[i] |= (dps[i + 1] << v[i]);
    }
    if(!dpp[n][sm / 2]){
        cout << 0;
        return 0;
    }
    set<int> possible;
    for(int j = 1; j <= sm + 5; j++) {
        possible.insert(j);
    }
    for(int i = 0; i < n; i++){
        bitset<72902> crr;
        for(int j = 0; j <= sm; j++){
            if(dpp[i][j])
                crr |= (dps[i + 1] << j);
        }
        vector<int> bad;
        for(auto to: possible){
            int full = (sm - v[i] + to);
            if(full % 2) bad.push_back(to);
            else if(!(crr[full / 2] && crr[full / 2 - to])){
                bad.push_back(to);
            }
        }
        for(auto to: bad) possible.erase(to);
    }
    cout << possible.size() << endl;
    for(auto to: possible){
        cout << to << ' ';
    }
    return 0;
}
signed main() {
#ifdef DEBUG
    freopen("input.txt", "r", stdin);
//        freopen("output.txt", "w", stdout);
#endif
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
//    cin >> t;
    while(t  --> 0){
        assert(solve() == 0);
        cout << endl;
    }
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 6 ms 620 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 5 ms 748 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 6 ms 620 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 5 ms 748 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 10 ms 876 KB Output is correct
12 Correct 8 ms 876 KB Output is correct
13 Correct 8 ms 896 KB Output is correct
14 Correct 13 ms 876 KB Output is correct
15 Correct 9 ms 876 KB Output is correct
16 Correct 8 ms 876 KB Output is correct
17 Correct 5 ms 748 KB Output is correct
18 Correct 7 ms 748 KB Output is correct
19 Correct 7 ms 876 KB Output is correct
20 Correct 2 ms 1004 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 6 ms 620 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 5 ms 748 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 10 ms 876 KB Output is correct
12 Correct 8 ms 876 KB Output is correct
13 Correct 8 ms 896 KB Output is correct
14 Correct 13 ms 876 KB Output is correct
15 Correct 9 ms 876 KB Output is correct
16 Correct 8 ms 876 KB Output is correct
17 Correct 5 ms 748 KB Output is correct
18 Correct 7 ms 748 KB Output is correct
19 Correct 7 ms 876 KB Output is correct
20 Correct 2 ms 1004 KB Output is correct
21 Correct 267 ms 1756 KB Output is correct
22 Correct 326 ms 2028 KB Output is correct
23 Correct 166 ms 1516 KB Output is correct
24 Correct 618 ms 2412 KB Output is correct
25 Correct 634 ms 2648 KB Output is correct
26 Correct 676 ms 2668 KB Output is correct
27 Correct 453 ms 2756 KB Output is correct
28 Correct 361 ms 2668 KB Output is correct
29 Correct 384 ms 2924 KB Output is correct
30 Correct 616 ms 2412 KB Output is correct
31 Correct 862 ms 2540 KB Output is correct
32 Correct 585 ms 2412 KB Output is correct
33 Correct 18 ms 2796 KB Output is correct
34 Correct 18 ms 2796 KB Output is correct
35 Correct 328 ms 2924 KB Output is correct
36 Correct 556 ms 2412 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 6 ms 620 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 5 ms 748 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 10 ms 876 KB Output is correct
12 Correct 8 ms 876 KB Output is correct
13 Correct 8 ms 896 KB Output is correct
14 Correct 13 ms 876 KB Output is correct
15 Correct 9 ms 876 KB Output is correct
16 Correct 8 ms 876 KB Output is correct
17 Correct 5 ms 748 KB Output is correct
18 Correct 7 ms 748 KB Output is correct
19 Correct 7 ms 876 KB Output is correct
20 Correct 2 ms 1004 KB Output is correct
21 Correct 267 ms 1756 KB Output is correct
22 Correct 326 ms 2028 KB Output is correct
23 Correct 166 ms 1516 KB Output is correct
24 Correct 618 ms 2412 KB Output is correct
25 Correct 634 ms 2648 KB Output is correct
26 Correct 676 ms 2668 KB Output is correct
27 Correct 453 ms 2756 KB Output is correct
28 Correct 361 ms 2668 KB Output is correct
29 Correct 384 ms 2924 KB Output is correct
30 Correct 616 ms 2412 KB Output is correct
31 Correct 862 ms 2540 KB Output is correct
32 Correct 585 ms 2412 KB Output is correct
33 Correct 18 ms 2796 KB Output is correct
34 Correct 18 ms 2796 KB Output is correct
35 Correct 328 ms 2924 KB Output is correct
36 Correct 556 ms 2412 KB Output is correct
37 Execution timed out 1092 ms 5100 KB Time limit exceeded
38 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 6 ms 620 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 5 ms 748 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 10 ms 876 KB Output is correct
12 Correct 8 ms 876 KB Output is correct
13 Correct 8 ms 896 KB Output is correct
14 Correct 13 ms 876 KB Output is correct
15 Correct 9 ms 876 KB Output is correct
16 Correct 8 ms 876 KB Output is correct
17 Correct 5 ms 748 KB Output is correct
18 Correct 7 ms 748 KB Output is correct
19 Correct 7 ms 876 KB Output is correct
20 Correct 2 ms 1004 KB Output is correct
21 Correct 267 ms 1756 KB Output is correct
22 Correct 326 ms 2028 KB Output is correct
23 Correct 166 ms 1516 KB Output is correct
24 Correct 618 ms 2412 KB Output is correct
25 Correct 634 ms 2648 KB Output is correct
26 Correct 676 ms 2668 KB Output is correct
27 Correct 453 ms 2756 KB Output is correct
28 Correct 361 ms 2668 KB Output is correct
29 Correct 384 ms 2924 KB Output is correct
30 Correct 616 ms 2412 KB Output is correct
31 Correct 862 ms 2540 KB Output is correct
32 Correct 585 ms 2412 KB Output is correct
33 Correct 18 ms 2796 KB Output is correct
34 Correct 18 ms 2796 KB Output is correct
35 Correct 328 ms 2924 KB Output is correct
36 Correct 556 ms 2412 KB Output is correct
37 Execution timed out 1092 ms 5100 KB Time limit exceeded
38 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 6 ms 620 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 5 ms 748 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 10 ms 876 KB Output is correct
12 Correct 8 ms 876 KB Output is correct
13 Correct 8 ms 896 KB Output is correct
14 Correct 13 ms 876 KB Output is correct
15 Correct 9 ms 876 KB Output is correct
16 Correct 8 ms 876 KB Output is correct
17 Correct 5 ms 748 KB Output is correct
18 Correct 7 ms 748 KB Output is correct
19 Correct 7 ms 876 KB Output is correct
20 Correct 2 ms 1004 KB Output is correct
21 Correct 267 ms 1756 KB Output is correct
22 Correct 326 ms 2028 KB Output is correct
23 Correct 166 ms 1516 KB Output is correct
24 Correct 618 ms 2412 KB Output is correct
25 Correct 634 ms 2648 KB Output is correct
26 Correct 676 ms 2668 KB Output is correct
27 Correct 453 ms 2756 KB Output is correct
28 Correct 361 ms 2668 KB Output is correct
29 Correct 384 ms 2924 KB Output is correct
30 Correct 616 ms 2412 KB Output is correct
31 Correct 862 ms 2540 KB Output is correct
32 Correct 585 ms 2412 KB Output is correct
33 Correct 18 ms 2796 KB Output is correct
34 Correct 18 ms 2796 KB Output is correct
35 Correct 328 ms 2924 KB Output is correct
36 Correct 556 ms 2412 KB Output is correct
37 Execution timed out 1092 ms 5100 KB Time limit exceeded
38 Halted 0 ms 0 KB -