//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;
}
set<int> tans[n], ans;
for(int k = 0; k < n; k += 20){
int nxt = min(k + 20, 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;
tans[j].insert(t), ans.insert(t);
}
}
}
}
for(int i = 0; i < n; ++i){
set<int> tmp;
for(auto x:ans) if(tans[i].find(x) != tans[i].end()) tmp.insert(x);
ans = tmp;
}
cout << ans.size() << '\n';
for(auto x:ans) cout << x << ' ';
}
signed main(){
starburst
int t = 1; //cin >> t;
while(t--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
4 ms |
596 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
2 ms |
596 KB |
Output is correct |
9 |
Correct |
2 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
4 ms |
596 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
2 ms |
596 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 |
596 KB |
Output is correct |
12 |
Correct |
5 ms |
596 KB |
Output is correct |
13 |
Correct |
5 ms |
596 KB |
Output is correct |
14 |
Correct |
5 ms |
596 KB |
Output is correct |
15 |
Correct |
6 ms |
596 KB |
Output is correct |
16 |
Correct |
7 ms |
596 KB |
Output is correct |
17 |
Correct |
3 ms |
468 KB |
Output is correct |
18 |
Correct |
5 ms |
596 KB |
Output is correct |
19 |
Correct |
5 ms |
516 KB |
Output is correct |
20 |
Correct |
5 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
4 ms |
596 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
2 ms |
596 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 |
596 KB |
Output is correct |
12 |
Correct |
5 ms |
596 KB |
Output is correct |
13 |
Correct |
5 ms |
596 KB |
Output is correct |
14 |
Correct |
5 ms |
596 KB |
Output is correct |
15 |
Correct |
6 ms |
596 KB |
Output is correct |
16 |
Correct |
7 ms |
596 KB |
Output is correct |
17 |
Correct |
3 ms |
468 KB |
Output is correct |
18 |
Correct |
5 ms |
596 KB |
Output is correct |
19 |
Correct |
5 ms |
516 KB |
Output is correct |
20 |
Correct |
5 ms |
468 KB |
Output is correct |
21 |
Correct |
42 ms |
5252 KB |
Output is correct |
22 |
Correct |
51 ms |
6468 KB |
Output is correct |
23 |
Correct |
27 ms |
3244 KB |
Output is correct |
24 |
Correct |
87 ms |
10632 KB |
Output is correct |
25 |
Correct |
143 ms |
16216 KB |
Output is correct |
26 |
Correct |
142 ms |
18552 KB |
Output is correct |
27 |
Correct |
85 ms |
10056 KB |
Output is correct |
28 |
Correct |
77 ms |
9076 KB |
Output is correct |
29 |
Correct |
84 ms |
11364 KB |
Output is correct |
30 |
Correct |
77 ms |
13024 KB |
Output is correct |
31 |
Correct |
143 ms |
17816 KB |
Output is correct |
32 |
Correct |
105 ms |
11692 KB |
Output is correct |
33 |
Correct |
24 ms |
596 KB |
Output is correct |
34 |
Correct |
22 ms |
672 KB |
Output is correct |
35 |
Correct |
58 ms |
9716 KB |
Output is correct |
36 |
Correct |
96 ms |
11532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
4 ms |
596 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
2 ms |
596 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 |
596 KB |
Output is correct |
12 |
Correct |
5 ms |
596 KB |
Output is correct |
13 |
Correct |
5 ms |
596 KB |
Output is correct |
14 |
Correct |
5 ms |
596 KB |
Output is correct |
15 |
Correct |
6 ms |
596 KB |
Output is correct |
16 |
Correct |
7 ms |
596 KB |
Output is correct |
17 |
Correct |
3 ms |
468 KB |
Output is correct |
18 |
Correct |
5 ms |
596 KB |
Output is correct |
19 |
Correct |
5 ms |
516 KB |
Output is correct |
20 |
Correct |
5 ms |
468 KB |
Output is correct |
21 |
Correct |
42 ms |
5252 KB |
Output is correct |
22 |
Correct |
51 ms |
6468 KB |
Output is correct |
23 |
Correct |
27 ms |
3244 KB |
Output is correct |
24 |
Correct |
87 ms |
10632 KB |
Output is correct |
25 |
Correct |
143 ms |
16216 KB |
Output is correct |
26 |
Correct |
142 ms |
18552 KB |
Output is correct |
27 |
Correct |
85 ms |
10056 KB |
Output is correct |
28 |
Correct |
77 ms |
9076 KB |
Output is correct |
29 |
Correct |
84 ms |
11364 KB |
Output is correct |
30 |
Correct |
77 ms |
13024 KB |
Output is correct |
31 |
Correct |
143 ms |
17816 KB |
Output is correct |
32 |
Correct |
105 ms |
11692 KB |
Output is correct |
33 |
Correct |
24 ms |
596 KB |
Output is correct |
34 |
Correct |
22 ms |
672 KB |
Output is correct |
35 |
Correct |
58 ms |
9716 KB |
Output is correct |
36 |
Correct |
96 ms |
11532 KB |
Output is correct |
37 |
Correct |
848 ms |
91364 KB |
Output is correct |
38 |
Correct |
837 ms |
93684 KB |
Output is correct |
39 |
Correct |
91 ms |
1916 KB |
Output is correct |
40 |
Execution timed out |
1106 ms |
206736 KB |
Time limit exceeded |
41 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
4 ms |
596 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
2 ms |
596 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 |
596 KB |
Output is correct |
12 |
Correct |
5 ms |
596 KB |
Output is correct |
13 |
Correct |
5 ms |
596 KB |
Output is correct |
14 |
Correct |
5 ms |
596 KB |
Output is correct |
15 |
Correct |
6 ms |
596 KB |
Output is correct |
16 |
Correct |
7 ms |
596 KB |
Output is correct |
17 |
Correct |
3 ms |
468 KB |
Output is correct |
18 |
Correct |
5 ms |
596 KB |
Output is correct |
19 |
Correct |
5 ms |
516 KB |
Output is correct |
20 |
Correct |
5 ms |
468 KB |
Output is correct |
21 |
Correct |
42 ms |
5252 KB |
Output is correct |
22 |
Correct |
51 ms |
6468 KB |
Output is correct |
23 |
Correct |
27 ms |
3244 KB |
Output is correct |
24 |
Correct |
87 ms |
10632 KB |
Output is correct |
25 |
Correct |
143 ms |
16216 KB |
Output is correct |
26 |
Correct |
142 ms |
18552 KB |
Output is correct |
27 |
Correct |
85 ms |
10056 KB |
Output is correct |
28 |
Correct |
77 ms |
9076 KB |
Output is correct |
29 |
Correct |
84 ms |
11364 KB |
Output is correct |
30 |
Correct |
77 ms |
13024 KB |
Output is correct |
31 |
Correct |
143 ms |
17816 KB |
Output is correct |
32 |
Correct |
105 ms |
11692 KB |
Output is correct |
33 |
Correct |
24 ms |
596 KB |
Output is correct |
34 |
Correct |
22 ms |
672 KB |
Output is correct |
35 |
Correct |
58 ms |
9716 KB |
Output is correct |
36 |
Correct |
96 ms |
11532 KB |
Output is correct |
37 |
Correct |
848 ms |
91364 KB |
Output is correct |
38 |
Correct |
837 ms |
93684 KB |
Output is correct |
39 |
Correct |
91 ms |
1916 KB |
Output is correct |
40 |
Execution timed out |
1106 ms |
206736 KB |
Time limit exceeded |
41 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
4 ms |
596 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
2 ms |
596 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 |
596 KB |
Output is correct |
12 |
Correct |
5 ms |
596 KB |
Output is correct |
13 |
Correct |
5 ms |
596 KB |
Output is correct |
14 |
Correct |
5 ms |
596 KB |
Output is correct |
15 |
Correct |
6 ms |
596 KB |
Output is correct |
16 |
Correct |
7 ms |
596 KB |
Output is correct |
17 |
Correct |
3 ms |
468 KB |
Output is correct |
18 |
Correct |
5 ms |
596 KB |
Output is correct |
19 |
Correct |
5 ms |
516 KB |
Output is correct |
20 |
Correct |
5 ms |
468 KB |
Output is correct |
21 |
Correct |
42 ms |
5252 KB |
Output is correct |
22 |
Correct |
51 ms |
6468 KB |
Output is correct |
23 |
Correct |
27 ms |
3244 KB |
Output is correct |
24 |
Correct |
87 ms |
10632 KB |
Output is correct |
25 |
Correct |
143 ms |
16216 KB |
Output is correct |
26 |
Correct |
142 ms |
18552 KB |
Output is correct |
27 |
Correct |
85 ms |
10056 KB |
Output is correct |
28 |
Correct |
77 ms |
9076 KB |
Output is correct |
29 |
Correct |
84 ms |
11364 KB |
Output is correct |
30 |
Correct |
77 ms |
13024 KB |
Output is correct |
31 |
Correct |
143 ms |
17816 KB |
Output is correct |
32 |
Correct |
105 ms |
11692 KB |
Output is correct |
33 |
Correct |
24 ms |
596 KB |
Output is correct |
34 |
Correct |
22 ms |
672 KB |
Output is correct |
35 |
Correct |
58 ms |
9716 KB |
Output is correct |
36 |
Correct |
96 ms |
11532 KB |
Output is correct |
37 |
Correct |
848 ms |
91364 KB |
Output is correct |
38 |
Correct |
837 ms |
93684 KB |
Output is correct |
39 |
Correct |
91 ms |
1916 KB |
Output is correct |
40 |
Execution timed out |
1106 ms |
206736 KB |
Time limit exceeded |
41 |
Halted |
0 ms |
0 KB |
- |