#include <bits/stdc++.h>
#define ll long long
using namespace std;
#define f first
#define s second
#define pb push_back
#define ep emplace
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define uniquev(v) sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define mem(f,x) memset(f , x , sizeof(f))
#define sz(x) (int)(x).size()
#define __lcm(a, b) (1ll * ((a) / __gcd((a), (b))) * (b))
#define mxx *max_element
#define mnn *min_element
#define cntbit(x) __builtin_popcountll(x)
#define len(x) (int)(x.length())
const int N = 500 + 30;
const int M = (500 * 500 + 10) / 2;
int f[M + 10], f2[M + 10], cnt[M + 10], mod = 1e8 + 3;
int a[N];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
f[0] = 1;
int sum = 0;
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
sum += a[i];
for (int j = M; j >= a[i]; j--) {
f[j] = (f[j] + f[j - a[i]]) % mod;
}
}
if (sum % 2 == 0) {
if (f[sum / 2] == 0) {
cout << 0 << '\n';
return 0;
}
}
for (int i = 1; i <= n; i++) {
for (int j = 0; j <= M; j++) {
if (j >= a[i]) {
f2[j] = (f[j] - f2[j - a[i]]);
while (f2[j] < 0)
f2[j] += mod;
} else {
f2[j] = f[j];
}
}
int odd = (sum - a[i]) % 2;
for (int j = odd; j <= M * 2; j += 2) {
int all = sum - a[i] + j;
if (all % 2 == 0) {
int h = all / 2;
if (f2[h] || (h >= j && f2[h - j])) {
cnt[j]++;
}
}
}
}
vector <int> save;
for (int i = 1; i <= M; i++)
if (cnt[i] == n)
save.pb(i);
cout << sz(save) << '\n';
for (auto x : save)
cout << x << " ";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1368 KB |
Output is correct |
2 |
Correct |
8 ms |
1372 KB |
Output is correct |
3 |
Correct |
3 ms |
860 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
11 ms |
1200 KB |
Output is correct |
6 |
Correct |
9 ms |
1368 KB |
Output is correct |
7 |
Correct |
7 ms |
1368 KB |
Output is correct |
8 |
Correct |
11 ms |
1372 KB |
Output is correct |
9 |
Correct |
9 ms |
1372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1368 KB |
Output is correct |
2 |
Correct |
8 ms |
1372 KB |
Output is correct |
3 |
Correct |
3 ms |
860 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
11 ms |
1200 KB |
Output is correct |
6 |
Correct |
9 ms |
1368 KB |
Output is correct |
7 |
Correct |
7 ms |
1368 KB |
Output is correct |
8 |
Correct |
11 ms |
1372 KB |
Output is correct |
9 |
Correct |
9 ms |
1372 KB |
Output is correct |
10 |
Correct |
26 ms |
1372 KB |
Output is correct |
11 |
Correct |
27 ms |
1440 KB |
Output is correct |
12 |
Correct |
27 ms |
1368 KB |
Output is correct |
13 |
Correct |
22 ms |
1200 KB |
Output is correct |
14 |
Correct |
27 ms |
1368 KB |
Output is correct |
15 |
Correct |
25 ms |
1368 KB |
Output is correct |
16 |
Correct |
26 ms |
1372 KB |
Output is correct |
17 |
Correct |
16 ms |
1372 KB |
Output is correct |
18 |
Correct |
22 ms |
1372 KB |
Output is correct |
19 |
Correct |
25 ms |
1368 KB |
Output is correct |
20 |
Correct |
25 ms |
1368 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1368 KB |
Output is correct |
2 |
Correct |
8 ms |
1372 KB |
Output is correct |
3 |
Correct |
3 ms |
860 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
11 ms |
1200 KB |
Output is correct |
6 |
Correct |
9 ms |
1368 KB |
Output is correct |
7 |
Correct |
7 ms |
1368 KB |
Output is correct |
8 |
Correct |
11 ms |
1372 KB |
Output is correct |
9 |
Correct |
9 ms |
1372 KB |
Output is correct |
10 |
Correct |
26 ms |
1372 KB |
Output is correct |
11 |
Correct |
27 ms |
1440 KB |
Output is correct |
12 |
Correct |
27 ms |
1368 KB |
Output is correct |
13 |
Correct |
22 ms |
1200 KB |
Output is correct |
14 |
Correct |
27 ms |
1368 KB |
Output is correct |
15 |
Correct |
25 ms |
1368 KB |
Output is correct |
16 |
Correct |
26 ms |
1372 KB |
Output is correct |
17 |
Correct |
16 ms |
1372 KB |
Output is correct |
18 |
Correct |
22 ms |
1372 KB |
Output is correct |
19 |
Correct |
25 ms |
1368 KB |
Output is correct |
20 |
Correct |
25 ms |
1368 KB |
Output is correct |
21 |
Correct |
56 ms |
1364 KB |
Output is correct |
22 |
Correct |
63 ms |
1432 KB |
Output is correct |
23 |
Correct |
42 ms |
1364 KB |
Output is correct |
24 |
Correct |
80 ms |
1452 KB |
Output is correct |
25 |
Correct |
80 ms |
1448 KB |
Output is correct |
26 |
Correct |
86 ms |
1436 KB |
Output is correct |
27 |
Correct |
84 ms |
1360 KB |
Output is correct |
28 |
Correct |
83 ms |
1436 KB |
Output is correct |
29 |
Correct |
84 ms |
1364 KB |
Output is correct |
30 |
Correct |
84 ms |
1436 KB |
Output is correct |
31 |
Correct |
85 ms |
1448 KB |
Output is correct |
32 |
Correct |
84 ms |
1452 KB |
Output is correct |
33 |
Correct |
83 ms |
1452 KB |
Output is correct |
34 |
Correct |
82 ms |
1456 KB |
Output is correct |
35 |
Correct |
84 ms |
1456 KB |
Output is correct |
36 |
Correct |
84 ms |
1364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1368 KB |
Output is correct |
2 |
Correct |
8 ms |
1372 KB |
Output is correct |
3 |
Correct |
3 ms |
860 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
11 ms |
1200 KB |
Output is correct |
6 |
Correct |
9 ms |
1368 KB |
Output is correct |
7 |
Correct |
7 ms |
1368 KB |
Output is correct |
8 |
Correct |
11 ms |
1372 KB |
Output is correct |
9 |
Correct |
9 ms |
1372 KB |
Output is correct |
10 |
Correct |
26 ms |
1372 KB |
Output is correct |
11 |
Correct |
27 ms |
1440 KB |
Output is correct |
12 |
Correct |
27 ms |
1368 KB |
Output is correct |
13 |
Correct |
22 ms |
1200 KB |
Output is correct |
14 |
Correct |
27 ms |
1368 KB |
Output is correct |
15 |
Correct |
25 ms |
1368 KB |
Output is correct |
16 |
Correct |
26 ms |
1372 KB |
Output is correct |
17 |
Correct |
16 ms |
1372 KB |
Output is correct |
18 |
Correct |
22 ms |
1372 KB |
Output is correct |
19 |
Correct |
25 ms |
1368 KB |
Output is correct |
20 |
Correct |
25 ms |
1368 KB |
Output is correct |
21 |
Correct |
56 ms |
1364 KB |
Output is correct |
22 |
Correct |
63 ms |
1432 KB |
Output is correct |
23 |
Correct |
42 ms |
1364 KB |
Output is correct |
24 |
Correct |
80 ms |
1452 KB |
Output is correct |
25 |
Correct |
80 ms |
1448 KB |
Output is correct |
26 |
Correct |
86 ms |
1436 KB |
Output is correct |
27 |
Correct |
84 ms |
1360 KB |
Output is correct |
28 |
Correct |
83 ms |
1436 KB |
Output is correct |
29 |
Correct |
84 ms |
1364 KB |
Output is correct |
30 |
Correct |
84 ms |
1436 KB |
Output is correct |
31 |
Correct |
85 ms |
1448 KB |
Output is correct |
32 |
Correct |
84 ms |
1452 KB |
Output is correct |
33 |
Correct |
83 ms |
1452 KB |
Output is correct |
34 |
Correct |
82 ms |
1456 KB |
Output is correct |
35 |
Correct |
84 ms |
1456 KB |
Output is correct |
36 |
Correct |
84 ms |
1364 KB |
Output is correct |
37 |
Correct |
179 ms |
1616 KB |
Output is correct |
38 |
Correct |
179 ms |
1620 KB |
Output is correct |
39 |
Correct |
204 ms |
1616 KB |
Output is correct |
40 |
Correct |
257 ms |
1692 KB |
Output is correct |
41 |
Correct |
223 ms |
1620 KB |
Output is correct |
42 |
Correct |
245 ms |
1692 KB |
Output is correct |
43 |
Correct |
253 ms |
1876 KB |
Output is correct |
44 |
Correct |
260 ms |
1944 KB |
Output is correct |
45 |
Correct |
263 ms |
1884 KB |
Output is correct |
46 |
Correct |
241 ms |
1720 KB |
Output is correct |
47 |
Correct |
238 ms |
1540 KB |
Output is correct |
48 |
Correct |
265 ms |
1944 KB |
Output is correct |
49 |
Correct |
236 ms |
1620 KB |
Output is correct |
50 |
Correct |
239 ms |
1616 KB |
Output is correct |
51 |
Correct |
238 ms |
1540 KB |
Output is correct |
52 |
Correct |
308 ms |
1944 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1368 KB |
Output is correct |
2 |
Correct |
8 ms |
1372 KB |
Output is correct |
3 |
Correct |
3 ms |
860 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
11 ms |
1200 KB |
Output is correct |
6 |
Correct |
9 ms |
1368 KB |
Output is correct |
7 |
Correct |
7 ms |
1368 KB |
Output is correct |
8 |
Correct |
11 ms |
1372 KB |
Output is correct |
9 |
Correct |
9 ms |
1372 KB |
Output is correct |
10 |
Correct |
26 ms |
1372 KB |
Output is correct |
11 |
Correct |
27 ms |
1440 KB |
Output is correct |
12 |
Correct |
27 ms |
1368 KB |
Output is correct |
13 |
Correct |
22 ms |
1200 KB |
Output is correct |
14 |
Correct |
27 ms |
1368 KB |
Output is correct |
15 |
Correct |
25 ms |
1368 KB |
Output is correct |
16 |
Correct |
26 ms |
1372 KB |
Output is correct |
17 |
Correct |
16 ms |
1372 KB |
Output is correct |
18 |
Correct |
22 ms |
1372 KB |
Output is correct |
19 |
Correct |
25 ms |
1368 KB |
Output is correct |
20 |
Correct |
25 ms |
1368 KB |
Output is correct |
21 |
Correct |
56 ms |
1364 KB |
Output is correct |
22 |
Correct |
63 ms |
1432 KB |
Output is correct |
23 |
Correct |
42 ms |
1364 KB |
Output is correct |
24 |
Correct |
80 ms |
1452 KB |
Output is correct |
25 |
Correct |
80 ms |
1448 KB |
Output is correct |
26 |
Correct |
86 ms |
1436 KB |
Output is correct |
27 |
Correct |
84 ms |
1360 KB |
Output is correct |
28 |
Correct |
83 ms |
1436 KB |
Output is correct |
29 |
Correct |
84 ms |
1364 KB |
Output is correct |
30 |
Correct |
84 ms |
1436 KB |
Output is correct |
31 |
Correct |
85 ms |
1448 KB |
Output is correct |
32 |
Correct |
84 ms |
1452 KB |
Output is correct |
33 |
Correct |
83 ms |
1452 KB |
Output is correct |
34 |
Correct |
82 ms |
1456 KB |
Output is correct |
35 |
Correct |
84 ms |
1456 KB |
Output is correct |
36 |
Correct |
84 ms |
1364 KB |
Output is correct |
37 |
Correct |
179 ms |
1616 KB |
Output is correct |
38 |
Correct |
179 ms |
1620 KB |
Output is correct |
39 |
Correct |
204 ms |
1616 KB |
Output is correct |
40 |
Correct |
257 ms |
1692 KB |
Output is correct |
41 |
Correct |
223 ms |
1620 KB |
Output is correct |
42 |
Correct |
245 ms |
1692 KB |
Output is correct |
43 |
Correct |
253 ms |
1876 KB |
Output is correct |
44 |
Correct |
260 ms |
1944 KB |
Output is correct |
45 |
Correct |
263 ms |
1884 KB |
Output is correct |
46 |
Correct |
241 ms |
1720 KB |
Output is correct |
47 |
Correct |
238 ms |
1540 KB |
Output is correct |
48 |
Correct |
265 ms |
1944 KB |
Output is correct |
49 |
Correct |
236 ms |
1620 KB |
Output is correct |
50 |
Correct |
239 ms |
1616 KB |
Output is correct |
51 |
Correct |
238 ms |
1540 KB |
Output is correct |
52 |
Correct |
308 ms |
1944 KB |
Output is correct |
53 |
Correct |
304 ms |
1856 KB |
Output is correct |
54 |
Correct |
369 ms |
1944 KB |
Output is correct |
55 |
Correct |
445 ms |
2236 KB |
Output is correct |
56 |
Correct |
322 ms |
2128 KB |
Output is correct |
57 |
Correct |
464 ms |
2520 KB |
Output is correct |
58 |
Correct |
377 ms |
1944 KB |
Output is correct |
59 |
Correct |
398 ms |
2084 KB |
Output is correct |
60 |
Correct |
385 ms |
1656 KB |
Output is correct |
61 |
Correct |
422 ms |
2140 KB |
Output is correct |
62 |
Correct |
395 ms |
2332 KB |
Output is correct |
63 |
Correct |
416 ms |
2264 KB |
Output is correct |
64 |
Correct |
394 ms |
2456 KB |
Output is correct |
65 |
Correct |
265 ms |
1452 KB |
Output is correct |
66 |
Correct |
280 ms |
1628 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
1368 KB |
Output is correct |
2 |
Correct |
8 ms |
1372 KB |
Output is correct |
3 |
Correct |
3 ms |
860 KB |
Output is correct |
4 |
Correct |
4 ms |
1372 KB |
Output is correct |
5 |
Correct |
11 ms |
1200 KB |
Output is correct |
6 |
Correct |
9 ms |
1368 KB |
Output is correct |
7 |
Correct |
7 ms |
1368 KB |
Output is correct |
8 |
Correct |
11 ms |
1372 KB |
Output is correct |
9 |
Correct |
9 ms |
1372 KB |
Output is correct |
10 |
Correct |
26 ms |
1372 KB |
Output is correct |
11 |
Correct |
27 ms |
1440 KB |
Output is correct |
12 |
Correct |
27 ms |
1368 KB |
Output is correct |
13 |
Correct |
22 ms |
1200 KB |
Output is correct |
14 |
Correct |
27 ms |
1368 KB |
Output is correct |
15 |
Correct |
25 ms |
1368 KB |
Output is correct |
16 |
Correct |
26 ms |
1372 KB |
Output is correct |
17 |
Correct |
16 ms |
1372 KB |
Output is correct |
18 |
Correct |
22 ms |
1372 KB |
Output is correct |
19 |
Correct |
25 ms |
1368 KB |
Output is correct |
20 |
Correct |
25 ms |
1368 KB |
Output is correct |
21 |
Correct |
56 ms |
1364 KB |
Output is correct |
22 |
Correct |
63 ms |
1432 KB |
Output is correct |
23 |
Correct |
42 ms |
1364 KB |
Output is correct |
24 |
Correct |
80 ms |
1452 KB |
Output is correct |
25 |
Correct |
80 ms |
1448 KB |
Output is correct |
26 |
Correct |
86 ms |
1436 KB |
Output is correct |
27 |
Correct |
84 ms |
1360 KB |
Output is correct |
28 |
Correct |
83 ms |
1436 KB |
Output is correct |
29 |
Correct |
84 ms |
1364 KB |
Output is correct |
30 |
Correct |
84 ms |
1436 KB |
Output is correct |
31 |
Correct |
85 ms |
1448 KB |
Output is correct |
32 |
Correct |
84 ms |
1452 KB |
Output is correct |
33 |
Correct |
83 ms |
1452 KB |
Output is correct |
34 |
Correct |
82 ms |
1456 KB |
Output is correct |
35 |
Correct |
84 ms |
1456 KB |
Output is correct |
36 |
Correct |
84 ms |
1364 KB |
Output is correct |
37 |
Correct |
179 ms |
1616 KB |
Output is correct |
38 |
Correct |
179 ms |
1620 KB |
Output is correct |
39 |
Correct |
204 ms |
1616 KB |
Output is correct |
40 |
Correct |
257 ms |
1692 KB |
Output is correct |
41 |
Correct |
223 ms |
1620 KB |
Output is correct |
42 |
Correct |
245 ms |
1692 KB |
Output is correct |
43 |
Correct |
253 ms |
1876 KB |
Output is correct |
44 |
Correct |
260 ms |
1944 KB |
Output is correct |
45 |
Correct |
263 ms |
1884 KB |
Output is correct |
46 |
Correct |
241 ms |
1720 KB |
Output is correct |
47 |
Correct |
238 ms |
1540 KB |
Output is correct |
48 |
Correct |
265 ms |
1944 KB |
Output is correct |
49 |
Correct |
236 ms |
1620 KB |
Output is correct |
50 |
Correct |
239 ms |
1616 KB |
Output is correct |
51 |
Correct |
238 ms |
1540 KB |
Output is correct |
52 |
Correct |
308 ms |
1944 KB |
Output is correct |
53 |
Correct |
304 ms |
1856 KB |
Output is correct |
54 |
Correct |
369 ms |
1944 KB |
Output is correct |
55 |
Correct |
445 ms |
2236 KB |
Output is correct |
56 |
Correct |
322 ms |
2128 KB |
Output is correct |
57 |
Correct |
464 ms |
2520 KB |
Output is correct |
58 |
Correct |
377 ms |
1944 KB |
Output is correct |
59 |
Correct |
398 ms |
2084 KB |
Output is correct |
60 |
Correct |
385 ms |
1656 KB |
Output is correct |
61 |
Correct |
422 ms |
2140 KB |
Output is correct |
62 |
Correct |
395 ms |
2332 KB |
Output is correct |
63 |
Correct |
416 ms |
2264 KB |
Output is correct |
64 |
Correct |
394 ms |
2456 KB |
Output is correct |
65 |
Correct |
265 ms |
1452 KB |
Output is correct |
66 |
Correct |
280 ms |
1628 KB |
Output is correct |
67 |
Correct |
464 ms |
2076 KB |
Output is correct |
68 |
Correct |
268 ms |
940 KB |
Output is correct |
69 |
Incorrect |
671 ms |
2588 KB |
Output isn't correct |
70 |
Halted |
0 ms |
0 KB |
- |