#include<bits/stdc++.h>
#include<fstream>
using namespace std;
#define sz(a) (int)a.size()
#define ALL(v) v.begin(), v.end()
#define ALLR(v) v.rbegin(), v.rend()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
#define mpp make_pair
const ld PI = 3.14159265359, prec = 1e-9;;
//using u128 = __uint128_t;
//const int x[4] = {1, 0, -1, 0};
//const int y[4] = {0, -1, 0, 1};
const ll mod = 998244353, pr = 31;
const int mxn = 3e5 + 5, mxq = 1e5 + 5, sq = 450, mxv = 5e4 + 1;
//const int base = (1 <<18);
const ll inf = 1e18 + 5, neg = -69420, inf2 = 1e14;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
// have fun!
// <3;
int n;
int dp[505 * 505], a[505], cnt[505 * 505];
void add(int &a, int b){
a += b;
if(a >= mod)a -= mod;
}
void sub(int &a, int b){
b = -b + mod;
add(a, b);
}
void addv(int x){
for(int j = 500 * 500; j >= x; j--){
add(dp[j], dp[j - x]);
}
}
void remv(int x){
for(int j = x; j <= 500 * 500; j++){
sub(dp[j], dp[j - x]);
}
}
void solve(){
cin >> n;
int tot = 0;
for(int i = 1; i <= n; i++){
cin >> a[i]; tot += a[i];
}
dp[0] = 1;
for(int i = 1; i <= n; i++){
addv(a[i]);
}
if((tot & 1) || !dp[tot / 2]){
cout << 0; return;
}
for(int i = 1; i <= n; i++){
remv(a[i]);
tot -= a[i];
for(int j = 0; j <= tot / 2; j++){
if(dp[j]){
cnt[tot - 2 * j]++;
}
}
addv(a[i]);
tot += a[i];
}
vt<int>res;
for(int i = 1; i <= tot; i++){
if(cnt[i] == n)res.pb(i);
}
cout << sz(res) << "\n";
for(auto i: res)cout << i << " ";
}
signed main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//freopen("netw.inp", "r", stdin);
//freopen("netw.out", "w", stdout)
int tt; tt = 1;
while(tt--){
solve();
}
return(0);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1372 KB |
Output is correct |
2 |
Correct |
5 ms |
1236 KB |
Output is correct |
3 |
Correct |
2 ms |
1372 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
8 ms |
1456 KB |
Output is correct |
6 |
Correct |
6 ms |
1372 KB |
Output is correct |
7 |
Correct |
5 ms |
1372 KB |
Output is correct |
8 |
Correct |
9 ms |
1456 KB |
Output is correct |
9 |
Correct |
7 ms |
1372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1372 KB |
Output is correct |
2 |
Correct |
5 ms |
1236 KB |
Output is correct |
3 |
Correct |
2 ms |
1372 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
8 ms |
1456 KB |
Output is correct |
6 |
Correct |
6 ms |
1372 KB |
Output is correct |
7 |
Correct |
5 ms |
1372 KB |
Output is correct |
8 |
Correct |
9 ms |
1456 KB |
Output is correct |
9 |
Correct |
7 ms |
1372 KB |
Output is correct |
10 |
Correct |
21 ms |
1452 KB |
Output is correct |
11 |
Correct |
31 ms |
1372 KB |
Output is correct |
12 |
Correct |
23 ms |
1372 KB |
Output is correct |
13 |
Correct |
18 ms |
1448 KB |
Output is correct |
14 |
Correct |
22 ms |
1368 KB |
Output is correct |
15 |
Correct |
21 ms |
1372 KB |
Output is correct |
16 |
Correct |
24 ms |
1372 KB |
Output is correct |
17 |
Correct |
13 ms |
1448 KB |
Output is correct |
18 |
Correct |
17 ms |
1236 KB |
Output is correct |
19 |
Correct |
19 ms |
1372 KB |
Output is correct |
20 |
Correct |
22 ms |
1452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1372 KB |
Output is correct |
2 |
Correct |
5 ms |
1236 KB |
Output is correct |
3 |
Correct |
2 ms |
1372 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
8 ms |
1456 KB |
Output is correct |
6 |
Correct |
6 ms |
1372 KB |
Output is correct |
7 |
Correct |
5 ms |
1372 KB |
Output is correct |
8 |
Correct |
9 ms |
1456 KB |
Output is correct |
9 |
Correct |
7 ms |
1372 KB |
Output is correct |
10 |
Correct |
21 ms |
1452 KB |
Output is correct |
11 |
Correct |
31 ms |
1372 KB |
Output is correct |
12 |
Correct |
23 ms |
1372 KB |
Output is correct |
13 |
Correct |
18 ms |
1448 KB |
Output is correct |
14 |
Correct |
22 ms |
1368 KB |
Output is correct |
15 |
Correct |
21 ms |
1372 KB |
Output is correct |
16 |
Correct |
24 ms |
1372 KB |
Output is correct |
17 |
Correct |
13 ms |
1448 KB |
Output is correct |
18 |
Correct |
17 ms |
1236 KB |
Output is correct |
19 |
Correct |
19 ms |
1372 KB |
Output is correct |
20 |
Correct |
22 ms |
1452 KB |
Output is correct |
21 |
Correct |
45 ms |
1444 KB |
Output is correct |
22 |
Correct |
49 ms |
1452 KB |
Output is correct |
23 |
Correct |
33 ms |
1372 KB |
Output is correct |
24 |
Correct |
64 ms |
1444 KB |
Output is correct |
25 |
Correct |
77 ms |
1624 KB |
Output is correct |
26 |
Correct |
62 ms |
1460 KB |
Output is correct |
27 |
Correct |
67 ms |
1456 KB |
Output is correct |
28 |
Correct |
64 ms |
1464 KB |
Output is correct |
29 |
Correct |
65 ms |
1464 KB |
Output is correct |
30 |
Correct |
70 ms |
1372 KB |
Output is correct |
31 |
Correct |
63 ms |
1448 KB |
Output is correct |
32 |
Correct |
82 ms |
1440 KB |
Output is correct |
33 |
Correct |
65 ms |
1368 KB |
Output is correct |
34 |
Correct |
67 ms |
1460 KB |
Output is correct |
35 |
Correct |
64 ms |
1340 KB |
Output is correct |
36 |
Correct |
67 ms |
1452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1372 KB |
Output is correct |
2 |
Correct |
5 ms |
1236 KB |
Output is correct |
3 |
Correct |
2 ms |
1372 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
8 ms |
1456 KB |
Output is correct |
6 |
Correct |
6 ms |
1372 KB |
Output is correct |
7 |
Correct |
5 ms |
1372 KB |
Output is correct |
8 |
Correct |
9 ms |
1456 KB |
Output is correct |
9 |
Correct |
7 ms |
1372 KB |
Output is correct |
10 |
Correct |
21 ms |
1452 KB |
Output is correct |
11 |
Correct |
31 ms |
1372 KB |
Output is correct |
12 |
Correct |
23 ms |
1372 KB |
Output is correct |
13 |
Correct |
18 ms |
1448 KB |
Output is correct |
14 |
Correct |
22 ms |
1368 KB |
Output is correct |
15 |
Correct |
21 ms |
1372 KB |
Output is correct |
16 |
Correct |
24 ms |
1372 KB |
Output is correct |
17 |
Correct |
13 ms |
1448 KB |
Output is correct |
18 |
Correct |
17 ms |
1236 KB |
Output is correct |
19 |
Correct |
19 ms |
1372 KB |
Output is correct |
20 |
Correct |
22 ms |
1452 KB |
Output is correct |
21 |
Correct |
45 ms |
1444 KB |
Output is correct |
22 |
Correct |
49 ms |
1452 KB |
Output is correct |
23 |
Correct |
33 ms |
1372 KB |
Output is correct |
24 |
Correct |
64 ms |
1444 KB |
Output is correct |
25 |
Correct |
77 ms |
1624 KB |
Output is correct |
26 |
Correct |
62 ms |
1460 KB |
Output is correct |
27 |
Correct |
67 ms |
1456 KB |
Output is correct |
28 |
Correct |
64 ms |
1464 KB |
Output is correct |
29 |
Correct |
65 ms |
1464 KB |
Output is correct |
30 |
Correct |
70 ms |
1372 KB |
Output is correct |
31 |
Correct |
63 ms |
1448 KB |
Output is correct |
32 |
Correct |
82 ms |
1440 KB |
Output is correct |
33 |
Correct |
65 ms |
1368 KB |
Output is correct |
34 |
Correct |
67 ms |
1460 KB |
Output is correct |
35 |
Correct |
64 ms |
1340 KB |
Output is correct |
36 |
Correct |
67 ms |
1452 KB |
Output is correct |
37 |
Correct |
130 ms |
1500 KB |
Output is correct |
38 |
Correct |
134 ms |
1444 KB |
Output is correct |
39 |
Correct |
181 ms |
1424 KB |
Output is correct |
40 |
Correct |
171 ms |
1700 KB |
Output is correct |
41 |
Correct |
189 ms |
1696 KB |
Output is correct |
42 |
Correct |
165 ms |
1540 KB |
Output is correct |
43 |
Correct |
179 ms |
1876 KB |
Output is correct |
44 |
Correct |
170 ms |
1900 KB |
Output is correct |
45 |
Correct |
185 ms |
1900 KB |
Output is correct |
46 |
Correct |
172 ms |
1552 KB |
Output is correct |
47 |
Correct |
174 ms |
1552 KB |
Output is correct |
48 |
Correct |
172 ms |
1884 KB |
Output is correct |
49 |
Correct |
161 ms |
1684 KB |
Output is correct |
50 |
Correct |
161 ms |
1556 KB |
Output is correct |
51 |
Correct |
52 ms |
1424 KB |
Output is correct |
52 |
Correct |
173 ms |
1876 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1372 KB |
Output is correct |
2 |
Correct |
5 ms |
1236 KB |
Output is correct |
3 |
Correct |
2 ms |
1372 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
8 ms |
1456 KB |
Output is correct |
6 |
Correct |
6 ms |
1372 KB |
Output is correct |
7 |
Correct |
5 ms |
1372 KB |
Output is correct |
8 |
Correct |
9 ms |
1456 KB |
Output is correct |
9 |
Correct |
7 ms |
1372 KB |
Output is correct |
10 |
Correct |
21 ms |
1452 KB |
Output is correct |
11 |
Correct |
31 ms |
1372 KB |
Output is correct |
12 |
Correct |
23 ms |
1372 KB |
Output is correct |
13 |
Correct |
18 ms |
1448 KB |
Output is correct |
14 |
Correct |
22 ms |
1368 KB |
Output is correct |
15 |
Correct |
21 ms |
1372 KB |
Output is correct |
16 |
Correct |
24 ms |
1372 KB |
Output is correct |
17 |
Correct |
13 ms |
1448 KB |
Output is correct |
18 |
Correct |
17 ms |
1236 KB |
Output is correct |
19 |
Correct |
19 ms |
1372 KB |
Output is correct |
20 |
Correct |
22 ms |
1452 KB |
Output is correct |
21 |
Correct |
45 ms |
1444 KB |
Output is correct |
22 |
Correct |
49 ms |
1452 KB |
Output is correct |
23 |
Correct |
33 ms |
1372 KB |
Output is correct |
24 |
Correct |
64 ms |
1444 KB |
Output is correct |
25 |
Correct |
77 ms |
1624 KB |
Output is correct |
26 |
Correct |
62 ms |
1460 KB |
Output is correct |
27 |
Correct |
67 ms |
1456 KB |
Output is correct |
28 |
Correct |
64 ms |
1464 KB |
Output is correct |
29 |
Correct |
65 ms |
1464 KB |
Output is correct |
30 |
Correct |
70 ms |
1372 KB |
Output is correct |
31 |
Correct |
63 ms |
1448 KB |
Output is correct |
32 |
Correct |
82 ms |
1440 KB |
Output is correct |
33 |
Correct |
65 ms |
1368 KB |
Output is correct |
34 |
Correct |
67 ms |
1460 KB |
Output is correct |
35 |
Correct |
64 ms |
1340 KB |
Output is correct |
36 |
Correct |
67 ms |
1452 KB |
Output is correct |
37 |
Correct |
130 ms |
1500 KB |
Output is correct |
38 |
Correct |
134 ms |
1444 KB |
Output is correct |
39 |
Correct |
181 ms |
1424 KB |
Output is correct |
40 |
Correct |
171 ms |
1700 KB |
Output is correct |
41 |
Correct |
189 ms |
1696 KB |
Output is correct |
42 |
Correct |
165 ms |
1540 KB |
Output is correct |
43 |
Correct |
179 ms |
1876 KB |
Output is correct |
44 |
Correct |
170 ms |
1900 KB |
Output is correct |
45 |
Correct |
185 ms |
1900 KB |
Output is correct |
46 |
Correct |
172 ms |
1552 KB |
Output is correct |
47 |
Correct |
174 ms |
1552 KB |
Output is correct |
48 |
Correct |
172 ms |
1884 KB |
Output is correct |
49 |
Correct |
161 ms |
1684 KB |
Output is correct |
50 |
Correct |
161 ms |
1556 KB |
Output is correct |
51 |
Correct |
52 ms |
1424 KB |
Output is correct |
52 |
Correct |
173 ms |
1876 KB |
Output is correct |
53 |
Correct |
193 ms |
1868 KB |
Output is correct |
54 |
Correct |
231 ms |
1876 KB |
Output is correct |
55 |
Correct |
231 ms |
2328 KB |
Output is correct |
56 |
Correct |
196 ms |
1896 KB |
Output is correct |
57 |
Correct |
247 ms |
2520 KB |
Output is correct |
58 |
Incorrect |
238 ms |
1876 KB |
Output isn't correct |
59 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1372 KB |
Output is correct |
2 |
Correct |
5 ms |
1236 KB |
Output is correct |
3 |
Correct |
2 ms |
1372 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
8 ms |
1456 KB |
Output is correct |
6 |
Correct |
6 ms |
1372 KB |
Output is correct |
7 |
Correct |
5 ms |
1372 KB |
Output is correct |
8 |
Correct |
9 ms |
1456 KB |
Output is correct |
9 |
Correct |
7 ms |
1372 KB |
Output is correct |
10 |
Correct |
21 ms |
1452 KB |
Output is correct |
11 |
Correct |
31 ms |
1372 KB |
Output is correct |
12 |
Correct |
23 ms |
1372 KB |
Output is correct |
13 |
Correct |
18 ms |
1448 KB |
Output is correct |
14 |
Correct |
22 ms |
1368 KB |
Output is correct |
15 |
Correct |
21 ms |
1372 KB |
Output is correct |
16 |
Correct |
24 ms |
1372 KB |
Output is correct |
17 |
Correct |
13 ms |
1448 KB |
Output is correct |
18 |
Correct |
17 ms |
1236 KB |
Output is correct |
19 |
Correct |
19 ms |
1372 KB |
Output is correct |
20 |
Correct |
22 ms |
1452 KB |
Output is correct |
21 |
Correct |
45 ms |
1444 KB |
Output is correct |
22 |
Correct |
49 ms |
1452 KB |
Output is correct |
23 |
Correct |
33 ms |
1372 KB |
Output is correct |
24 |
Correct |
64 ms |
1444 KB |
Output is correct |
25 |
Correct |
77 ms |
1624 KB |
Output is correct |
26 |
Correct |
62 ms |
1460 KB |
Output is correct |
27 |
Correct |
67 ms |
1456 KB |
Output is correct |
28 |
Correct |
64 ms |
1464 KB |
Output is correct |
29 |
Correct |
65 ms |
1464 KB |
Output is correct |
30 |
Correct |
70 ms |
1372 KB |
Output is correct |
31 |
Correct |
63 ms |
1448 KB |
Output is correct |
32 |
Correct |
82 ms |
1440 KB |
Output is correct |
33 |
Correct |
65 ms |
1368 KB |
Output is correct |
34 |
Correct |
67 ms |
1460 KB |
Output is correct |
35 |
Correct |
64 ms |
1340 KB |
Output is correct |
36 |
Correct |
67 ms |
1452 KB |
Output is correct |
37 |
Correct |
130 ms |
1500 KB |
Output is correct |
38 |
Correct |
134 ms |
1444 KB |
Output is correct |
39 |
Correct |
181 ms |
1424 KB |
Output is correct |
40 |
Correct |
171 ms |
1700 KB |
Output is correct |
41 |
Correct |
189 ms |
1696 KB |
Output is correct |
42 |
Correct |
165 ms |
1540 KB |
Output is correct |
43 |
Correct |
179 ms |
1876 KB |
Output is correct |
44 |
Correct |
170 ms |
1900 KB |
Output is correct |
45 |
Correct |
185 ms |
1900 KB |
Output is correct |
46 |
Correct |
172 ms |
1552 KB |
Output is correct |
47 |
Correct |
174 ms |
1552 KB |
Output is correct |
48 |
Correct |
172 ms |
1884 KB |
Output is correct |
49 |
Correct |
161 ms |
1684 KB |
Output is correct |
50 |
Correct |
161 ms |
1556 KB |
Output is correct |
51 |
Correct |
52 ms |
1424 KB |
Output is correct |
52 |
Correct |
173 ms |
1876 KB |
Output is correct |
53 |
Correct |
193 ms |
1868 KB |
Output is correct |
54 |
Correct |
231 ms |
1876 KB |
Output is correct |
55 |
Correct |
231 ms |
2328 KB |
Output is correct |
56 |
Correct |
196 ms |
1896 KB |
Output is correct |
57 |
Correct |
247 ms |
2520 KB |
Output is correct |
58 |
Incorrect |
238 ms |
1876 KB |
Output isn't correct |
59 |
Halted |
0 ms |
0 KB |
- |