//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;
sort(v.begin(), v.end());
vector<vector<int>> dp(2, vector<int>(250001, 0));
dp[0][0] = 1;
for(int i = 0; i < n; ++i){
sum += v[i];
dp[1].assign(250001, 0);
for(int j = 0; j <= 250000; ++j){
dp[1][j] |= dp[0][j];
if(j >= v[i]) dp[1][j] |= dp[0][j - v[i]];
}
dp[0] = dp[1];
}
if(sum % 2 == 1 || dp[1][sum / 2] == 0){
cout << "0\n";
return;
}
set<int> tans[n], ans;
for(int k = 0; k < n; ++k){
dp[0].assign(250001, 0);
dp[1].assign(250001, 0);
dp[0][0] = 1;
for(int i = 0; i < n; ++i){
if(i == k) continue;
dp[1].assign(250001, 0);
for(int j = 0; j <= 250000; ++j){
dp[1][j] |= dp[0][j];
if(j >= v[i]) dp[1][j] |= dp[0][j - v[i]];
}
dp[0] = dp[1];
}
for(int val = sum - v[k]; val >= 0; --val){
if(dp[1][val]) {
int t = val - (sum - val - v[k]);
if(t <= 0) break;
tans[k].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 |
11 ms |
6100 KB |
Output is correct |
2 |
Correct |
27 ms |
6100 KB |
Output is correct |
3 |
Correct |
5 ms |
6100 KB |
Output is correct |
4 |
Correct |
15 ms |
6100 KB |
Output is correct |
5 |
Correct |
84 ms |
6100 KB |
Output is correct |
6 |
Correct |
46 ms |
6100 KB |
Output is correct |
7 |
Correct |
23 ms |
6100 KB |
Output is correct |
8 |
Correct |
86 ms |
6100 KB |
Output is correct |
9 |
Correct |
55 ms |
6100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
6100 KB |
Output is correct |
2 |
Correct |
27 ms |
6100 KB |
Output is correct |
3 |
Correct |
5 ms |
6100 KB |
Output is correct |
4 |
Correct |
15 ms |
6100 KB |
Output is correct |
5 |
Correct |
84 ms |
6100 KB |
Output is correct |
6 |
Correct |
46 ms |
6100 KB |
Output is correct |
7 |
Correct |
23 ms |
6100 KB |
Output is correct |
8 |
Correct |
86 ms |
6100 KB |
Output is correct |
9 |
Correct |
55 ms |
6100 KB |
Output is correct |
10 |
Correct |
478 ms |
6100 KB |
Output is correct |
11 |
Correct |
484 ms |
6100 KB |
Output is correct |
12 |
Correct |
513 ms |
6100 KB |
Output is correct |
13 |
Correct |
341 ms |
6100 KB |
Output is correct |
14 |
Correct |
421 ms |
6100 KB |
Output is correct |
15 |
Correct |
443 ms |
6100 KB |
Output is correct |
16 |
Correct |
473 ms |
6100 KB |
Output is correct |
17 |
Correct |
196 ms |
6100 KB |
Output is correct |
18 |
Correct |
327 ms |
6100 KB |
Output is correct |
19 |
Correct |
376 ms |
6100 KB |
Output is correct |
20 |
Correct |
482 ms |
6100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
6100 KB |
Output is correct |
2 |
Correct |
27 ms |
6100 KB |
Output is correct |
3 |
Correct |
5 ms |
6100 KB |
Output is correct |
4 |
Correct |
15 ms |
6100 KB |
Output is correct |
5 |
Correct |
84 ms |
6100 KB |
Output is correct |
6 |
Correct |
46 ms |
6100 KB |
Output is correct |
7 |
Correct |
23 ms |
6100 KB |
Output is correct |
8 |
Correct |
86 ms |
6100 KB |
Output is correct |
9 |
Correct |
55 ms |
6100 KB |
Output is correct |
10 |
Correct |
478 ms |
6100 KB |
Output is correct |
11 |
Correct |
484 ms |
6100 KB |
Output is correct |
12 |
Correct |
513 ms |
6100 KB |
Output is correct |
13 |
Correct |
341 ms |
6100 KB |
Output is correct |
14 |
Correct |
421 ms |
6100 KB |
Output is correct |
15 |
Correct |
443 ms |
6100 KB |
Output is correct |
16 |
Correct |
473 ms |
6100 KB |
Output is correct |
17 |
Correct |
196 ms |
6100 KB |
Output is correct |
18 |
Correct |
327 ms |
6100 KB |
Output is correct |
19 |
Correct |
376 ms |
6100 KB |
Output is correct |
20 |
Correct |
482 ms |
6100 KB |
Output is correct |
21 |
Execution timed out |
1090 ms |
6628 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
6100 KB |
Output is correct |
2 |
Correct |
27 ms |
6100 KB |
Output is correct |
3 |
Correct |
5 ms |
6100 KB |
Output is correct |
4 |
Correct |
15 ms |
6100 KB |
Output is correct |
5 |
Correct |
84 ms |
6100 KB |
Output is correct |
6 |
Correct |
46 ms |
6100 KB |
Output is correct |
7 |
Correct |
23 ms |
6100 KB |
Output is correct |
8 |
Correct |
86 ms |
6100 KB |
Output is correct |
9 |
Correct |
55 ms |
6100 KB |
Output is correct |
10 |
Correct |
478 ms |
6100 KB |
Output is correct |
11 |
Correct |
484 ms |
6100 KB |
Output is correct |
12 |
Correct |
513 ms |
6100 KB |
Output is correct |
13 |
Correct |
341 ms |
6100 KB |
Output is correct |
14 |
Correct |
421 ms |
6100 KB |
Output is correct |
15 |
Correct |
443 ms |
6100 KB |
Output is correct |
16 |
Correct |
473 ms |
6100 KB |
Output is correct |
17 |
Correct |
196 ms |
6100 KB |
Output is correct |
18 |
Correct |
327 ms |
6100 KB |
Output is correct |
19 |
Correct |
376 ms |
6100 KB |
Output is correct |
20 |
Correct |
482 ms |
6100 KB |
Output is correct |
21 |
Execution timed out |
1090 ms |
6628 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
6100 KB |
Output is correct |
2 |
Correct |
27 ms |
6100 KB |
Output is correct |
3 |
Correct |
5 ms |
6100 KB |
Output is correct |
4 |
Correct |
15 ms |
6100 KB |
Output is correct |
5 |
Correct |
84 ms |
6100 KB |
Output is correct |
6 |
Correct |
46 ms |
6100 KB |
Output is correct |
7 |
Correct |
23 ms |
6100 KB |
Output is correct |
8 |
Correct |
86 ms |
6100 KB |
Output is correct |
9 |
Correct |
55 ms |
6100 KB |
Output is correct |
10 |
Correct |
478 ms |
6100 KB |
Output is correct |
11 |
Correct |
484 ms |
6100 KB |
Output is correct |
12 |
Correct |
513 ms |
6100 KB |
Output is correct |
13 |
Correct |
341 ms |
6100 KB |
Output is correct |
14 |
Correct |
421 ms |
6100 KB |
Output is correct |
15 |
Correct |
443 ms |
6100 KB |
Output is correct |
16 |
Correct |
473 ms |
6100 KB |
Output is correct |
17 |
Correct |
196 ms |
6100 KB |
Output is correct |
18 |
Correct |
327 ms |
6100 KB |
Output is correct |
19 |
Correct |
376 ms |
6100 KB |
Output is correct |
20 |
Correct |
482 ms |
6100 KB |
Output is correct |
21 |
Execution timed out |
1090 ms |
6628 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
6100 KB |
Output is correct |
2 |
Correct |
27 ms |
6100 KB |
Output is correct |
3 |
Correct |
5 ms |
6100 KB |
Output is correct |
4 |
Correct |
15 ms |
6100 KB |
Output is correct |
5 |
Correct |
84 ms |
6100 KB |
Output is correct |
6 |
Correct |
46 ms |
6100 KB |
Output is correct |
7 |
Correct |
23 ms |
6100 KB |
Output is correct |
8 |
Correct |
86 ms |
6100 KB |
Output is correct |
9 |
Correct |
55 ms |
6100 KB |
Output is correct |
10 |
Correct |
478 ms |
6100 KB |
Output is correct |
11 |
Correct |
484 ms |
6100 KB |
Output is correct |
12 |
Correct |
513 ms |
6100 KB |
Output is correct |
13 |
Correct |
341 ms |
6100 KB |
Output is correct |
14 |
Correct |
421 ms |
6100 KB |
Output is correct |
15 |
Correct |
443 ms |
6100 KB |
Output is correct |
16 |
Correct |
473 ms |
6100 KB |
Output is correct |
17 |
Correct |
196 ms |
6100 KB |
Output is correct |
18 |
Correct |
327 ms |
6100 KB |
Output is correct |
19 |
Correct |
376 ms |
6100 KB |
Output is correct |
20 |
Correct |
482 ms |
6100 KB |
Output is correct |
21 |
Execution timed out |
1090 ms |
6628 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |