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Submission #665572

# Submission time Handle Problem Language Result Execution time Memory
665572 2022-11-27T12:05:23 Z Astrayt Bootfall (IZhO17_bootfall) C++17
100 / 100
 401 ms 7280 KB 
//君の手を握ってしまったら
//孤独を知らないこの街には
//もう二度と帰ってくることはできないのでしょう
//君が手を差し伸べた 光で影が生まれる
//歌って聞かせて この話の続き
//連れて行って見たことない星まで
//さユリ - 花の塔
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
//#define int ll
#define starburst ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define pii pair<int,int>
#define pb push_back
#define ff first
#define ss second
#define mp make_pair
#define maxn 200005
#define mod 1000000007
 
void solve(){
    int n, sum = 0; cin >> n;
    vector<int> v(n);
    for(auto &x:v) cin >> x, sum += x;
    sort(v.begin(), v.end());
    bitset<250005> dp;
    dp[0] = 1;
    for(int i = 0; i < n; ++i)
        dp |= (dp << v[i]);
    if(sum % 2 == 1 || dp[sum / 2] == 0){
        cout << "0\n";
        return;
    }
    vector<int> cnt(sum + 1, 0);
    for(int k = 0; k < n; k += 25){
        int nxt = min(k + 25, n);
        bitset<250005> cur;
        cur[0] = 1;
        for(int i = 0; i < k; ++i){
            cur |= (cur << v[i]);
        }
        for(int i = nxt; i < n; ++i){
            cur |= (cur << v[i]);
        }
        for(int j = k; j < nxt; ++j){
            bitset<250005> b = cur;
            for(int i = k; i < nxt; ++i){
                if(j == i) continue;
                b |= (b << v[i]);
            }
            for(int val = sum - v[j]; val >= 0; --val){
                if(b[val]) {
                    int t = val - (sum - val - v[j]);
                    if(t <= 0) break;
                    cnt[t]++;
                }
            }
        }
    }
    set<int> st;
    for(int i = 0; i <= sum; ++i){
        if(cnt[i] == n) st.insert(i);
    }
    cout << st.size() << '\n';
    for(auto x:st) cout << x << ' ';
}
 
signed main(){
    starburst
    int t = 1; //cin >> t;
    while(t--) solve();
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 6 ms 468 KB Output is correct
11 Correct 6 ms 468 KB Output is correct
12 Correct 5 ms 340 KB Output is correct
13 Correct 6 ms 468 KB Output is correct
14 Correct 9 ms 464 KB Output is correct
15 Correct 5 ms 468 KB Output is correct
16 Correct 6 ms 464 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 5 ms 468 KB Output is correct
19 Correct 5 ms 468 KB Output is correct
20 Correct 5 ms 468 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 6 ms 468 KB Output is correct
11 Correct 6 ms 468 KB Output is correct
12 Correct 5 ms 340 KB Output is correct
13 Correct 6 ms 468 KB Output is correct
14 Correct 9 ms 464 KB Output is correct
15 Correct 5 ms 468 KB Output is correct
16 Correct 6 ms 464 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 5 ms 468 KB Output is correct
19 Correct 5 ms 468 KB Output is correct
20 Correct 5 ms 468 KB Output is correct
21 Correct 13 ms 556 KB Output is correct
22 Correct 17 ms 476 KB Output is correct
23 Correct 10 ms 468 KB Output is correct
24 Correct 29 ms 480 KB Output is correct
25 Correct 22 ms 632 KB Output is correct
26 Correct 24 ms 624 KB Output is correct
27 Correct 24 ms 504 KB Output is correct
28 Correct 26 ms 496 KB Output is correct
29 Correct 31 ms 468 KB Output is correct
30 Correct 21 ms 488 KB Output is correct
31 Correct 21 ms 620 KB Output is correct
32 Correct 21 ms 556 KB Output is correct
33 Correct 26 ms 492 KB Output is correct
34 Correct 22 ms 504 KB Output is correct
35 Correct 23 ms 468 KB Output is correct
36 Correct 22 ms 468 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 6 ms 468 KB Output is correct
11 Correct 6 ms 468 KB Output is correct
12 Correct 5 ms 340 KB Output is correct
13 Correct 6 ms 468 KB Output is correct
14 Correct 9 ms 464 KB Output is correct
15 Correct 5 ms 468 KB Output is correct
16 Correct 6 ms 464 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 5 ms 468 KB Output is correct
19 Correct 5 ms 468 KB Output is correct
20 Correct 5 ms 468 KB Output is correct
21 Correct 13 ms 556 KB Output is correct
22 Correct 17 ms 476 KB Output is correct
23 Correct 10 ms 468 KB Output is correct
24 Correct 29 ms 480 KB Output is correct
25 Correct 22 ms 632 KB Output is correct
26 Correct 24 ms 624 KB Output is correct
27 Correct 24 ms 504 KB Output is correct
28 Correct 26 ms 496 KB Output is correct
29 Correct 31 ms 468 KB Output is correct
30 Correct 21 ms 488 KB Output is correct
31 Correct 21 ms 620 KB Output is correct
32 Correct 21 ms 556 KB Output is correct
33 Correct 26 ms 492 KB Output is correct
34 Correct 22 ms 504 KB Output is correct
35 Correct 23 ms 468 KB Output is correct
36 Correct 22 ms 468 KB Output is correct
37 Correct 57 ms 900 KB Output is correct
38 Correct 62 ms 972 KB Output is correct
39 Correct 67 ms 596 KB Output is correct
40 Correct 92 ms 1344 KB Output is correct
41 Correct 80 ms 752 KB Output is correct
42 Correct 77 ms 1336 KB Output is correct
43 Correct 86 ms 1960 KB Output is correct
44 Correct 88 ms 1960 KB Output is correct
45 Correct 92 ms 1996 KB Output is correct
46 Correct 73 ms 460 KB Output is correct
47 Correct 75 ms 1356 KB Output is correct
48 Correct 83 ms 1612 KB Output is correct
49 Correct 75 ms 960 KB Output is correct
50 Correct 81 ms 1344 KB Output is correct
51 Correct 2 ms 468 KB Output is correct
52 Correct 107 ms 2256 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 6 ms 468 KB Output is correct
11 Correct 6 ms 468 KB Output is correct
12 Correct 5 ms 340 KB Output is correct
13 Correct 6 ms 468 KB Output is correct
14 Correct 9 ms 464 KB Output is correct
15 Correct 5 ms 468 KB Output is correct
16 Correct 6 ms 464 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 5 ms 468 KB Output is correct
19 Correct 5 ms 468 KB Output is correct
20 Correct 5 ms 468 KB Output is correct
21 Correct 13 ms 556 KB Output is correct
22 Correct 17 ms 476 KB Output is correct
23 Correct 10 ms 468 KB Output is correct
24 Correct 29 ms 480 KB Output is correct
25 Correct 22 ms 632 KB Output is correct
26 Correct 24 ms 624 KB Output is correct
27 Correct 24 ms 504 KB Output is correct
28 Correct 26 ms 496 KB Output is correct
29 Correct 31 ms 468 KB Output is correct
30 Correct 21 ms 488 KB Output is correct
31 Correct 21 ms 620 KB Output is correct
32 Correct 21 ms 556 KB Output is correct
33 Correct 26 ms 492 KB Output is correct
34 Correct 22 ms 504 KB Output is correct
35 Correct 23 ms 468 KB Output is correct
36 Correct 22 ms 468 KB Output is correct
37 Correct 57 ms 900 KB Output is correct
38 Correct 62 ms 972 KB Output is correct
39 Correct 67 ms 596 KB Output is correct
40 Correct 92 ms 1344 KB Output is correct
41 Correct 80 ms 752 KB Output is correct
42 Correct 77 ms 1336 KB Output is correct
43 Correct 86 ms 1960 KB Output is correct
44 Correct 88 ms 1960 KB Output is correct
45 Correct 92 ms 1996 KB Output is correct
46 Correct 73 ms 460 KB Output is correct
47 Correct 75 ms 1356 KB Output is correct
48 Correct 83 ms 1612 KB Output is correct
49 Correct 75 ms 960 KB Output is correct
50 Correct 81 ms 1344 KB Output is correct
51 Correct 2 ms 468 KB Output is correct
52 Correct 107 ms 2256 KB Output is correct
53 Correct 109 ms 1796 KB Output is correct
54 Correct 145 ms 2088 KB Output is correct
55 Correct 175 ms 3452 KB Output is correct
56 Correct 114 ms 2092 KB Output is correct
57 Correct 178 ms 3660 KB Output is correct
58 Correct 134 ms 2244 KB Output is correct
59 Correct 148 ms 2684 KB Output is correct
60 Correct 6 ms 468 KB Output is correct
61 Correct 153 ms 2976 KB Output is correct
62 Correct 147 ms 3272 KB Output is correct
63 Correct 151 ms 3296 KB Output is correct
64 Correct 151 ms 3404 KB Output is correct
65 Correct 89 ms 644 KB Output is correct
66 Correct 83 ms 924 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 6 ms 468 KB Output is correct
11 Correct 6 ms 468 KB Output is correct
12 Correct 5 ms 340 KB Output is correct
13 Correct 6 ms 468 KB Output is correct
14 Correct 9 ms 464 KB Output is correct
15 Correct 5 ms 468 KB Output is correct
16 Correct 6 ms 464 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 5 ms 468 KB Output is correct
19 Correct 5 ms 468 KB Output is correct
20 Correct 5 ms 468 KB Output is correct
21 Correct 13 ms 556 KB Output is correct
22 Correct 17 ms 476 KB Output is correct
23 Correct 10 ms 468 KB Output is correct
24 Correct 29 ms 480 KB Output is correct
25 Correct 22 ms 632 KB Output is correct
26 Correct 24 ms 624 KB Output is correct
27 Correct 24 ms 504 KB Output is correct
28 Correct 26 ms 496 KB Output is correct
29 Correct 31 ms 468 KB Output is correct
30 Correct 21 ms 488 KB Output is correct
31 Correct 21 ms 620 KB Output is correct
32 Correct 21 ms 556 KB Output is correct
33 Correct 26 ms 492 KB Output is correct
34 Correct 22 ms 504 KB Output is correct
35 Correct 23 ms 468 KB Output is correct
36 Correct 22 ms 468 KB Output is correct
37 Correct 57 ms 900 KB Output is correct
38 Correct 62 ms 972 KB Output is correct
39 Correct 67 ms 596 KB Output is correct
40 Correct 92 ms 1344 KB Output is correct
41 Correct 80 ms 752 KB Output is correct
42 Correct 77 ms 1336 KB Output is correct
43 Correct 86 ms 1960 KB Output is correct
44 Correct 88 ms 1960 KB Output is correct
45 Correct 92 ms 1996 KB Output is correct
46 Correct 73 ms 460 KB Output is correct
47 Correct 75 ms 1356 KB Output is correct
48 Correct 83 ms 1612 KB Output is correct
49 Correct 75 ms 960 KB Output is correct
50 Correct 81 ms 1344 KB Output is correct
51 Correct 2 ms 468 KB Output is correct
52 Correct 107 ms 2256 KB Output is correct
53 Correct 109 ms 1796 KB Output is correct
54 Correct 145 ms 2088 KB Output is correct
55 Correct 175 ms 3452 KB Output is correct
56 Correct 114 ms 2092 KB Output is correct
57 Correct 178 ms 3660 KB Output is correct
58 Correct 134 ms 2244 KB Output is correct
59 Correct 148 ms 2684 KB Output is correct
60 Correct 6 ms 468 KB Output is correct
61 Correct 153 ms 2976 KB Output is correct
62 Correct 147 ms 3272 KB Output is correct
63 Correct 151 ms 3296 KB Output is correct
64 Correct 151 ms 3404 KB Output is correct
65 Correct 89 ms 644 KB Output is correct
66 Correct 83 ms 924 KB Output is correct
67 Correct 187 ms 2848 KB Output is correct
68 Correct 4 ms 468 KB Output is correct
69 Correct 378 ms 6592 KB Output is correct
70 Correct 290 ms 4240 KB Output is correct
71 Correct 284 ms 4148 KB Output is correct
72 Correct 261 ms 852 KB Output is correct
73 Correct 260 ms 852 KB Output is correct
74 Correct 378 ms 7104 KB Output is correct
75 Correct 339 ms 5624 KB Output is correct
76 Correct 389 ms 6792 KB Output is correct
77 Correct 401 ms 7280 KB Output is correct