#include<bits/stdc++.h>
using namespace std;
const int maxN = 500 + 5;
const int bsSize = maxN * maxN + 10;
const int limit = 20500;
int n;
int a[maxN];
int cnt[maxN];
bitset<bsSize> dp[2][maxN];
bitset<limit> dp1[2][maxN];
int main() {
cin >> n;
int sum = 0;
int gc = 0;
for (int i = 1; i<=n; i++) {
cin >> a[i];
gc = __gcd(a[i], gc);
}
for (int i = 1; i<=n; i++) {
a[i]/=gc;
if ((a[i] & 1) == 0) {
printf("0\n");
return 0;
}
if (cnt[a[i]] == 0) cnt[a[i]] = i;
sum+=a[i];
}
for (int i = 1; i <= n + 1; i++) {
dp[0][i].set(0);
dp1[0][i].set(0);
}
for (int i = 1; i<=n; i++) {
for (int j = 1; j <= n + 1; j++) {
if (j<= n && cnt[a[j]] != j) continue;
if (sum < limit) {
if (i == j) {
dp1[i&1][j] = dp1[(i&1) ^ 1][j];
} else {
dp1[i&1][j] = dp1[(i&1) ^ 1][j] | (dp1[(i&1) ^ 1][j] << a[i]);
}
} else {
if (i == j) {
dp[i&1][j] = dp[(i&1) ^ 1][j];
} else {
dp[i&1][j] = dp[(i&1) ^ 1][j] | (dp[(i&1) ^ 1][j] << a[i]);
}
}
}
}
if (sum & 1) {
printf("0\n");
return 0;
}
if ((sum >= limit && dp[n&1][n + 1][sum/2] == 0) || (sum < limit && dp1[n&1][n + 1][sum/2] == 0)) {
printf("0\n");
return 0;
}
vector<int> ans;
for (int i = 1; i <= sum; i++) {
bool ok = true;
for (int j = 1; j<= n; j++) {
if (cnt[a[j]] != j) continue;
int totSum = sum - a[j] + i;
if (totSum % 2 == 1) ok = false;
if ((sum>= limit && dp[n&1][j][totSum/2] == 0) || (sum < limit && dp1[n&1][j][totSum/2] == 0)) ok = false;
}
if (ok) ans.push_back(i);
}
cout << ans.size() << endl;
for (int i:ans) {
cout << i * gc << " ";
}
cout << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
468 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
468 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
596 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
596 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
0 ms |
468 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
596 KB |
Output is correct |
20 |
Correct |
1 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
468 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
596 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
596 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
0 ms |
468 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
596 KB |
Output is correct |
20 |
Correct |
1 ms |
596 KB |
Output is correct |
21 |
Correct |
4 ms |
852 KB |
Output is correct |
22 |
Correct |
4 ms |
980 KB |
Output is correct |
23 |
Correct |
2 ms |
724 KB |
Output is correct |
24 |
Correct |
7 ms |
1156 KB |
Output is correct |
25 |
Correct |
2 ms |
980 KB |
Output is correct |
26 |
Correct |
2 ms |
1108 KB |
Output is correct |
27 |
Correct |
2 ms |
1108 KB |
Output is correct |
28 |
Correct |
2 ms |
980 KB |
Output is correct |
29 |
Correct |
2 ms |
980 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
5 ms |
1108 KB |
Output is correct |
32 |
Correct |
6 ms |
1236 KB |
Output is correct |
33 |
Correct |
1 ms |
980 KB |
Output is correct |
34 |
Correct |
1 ms |
980 KB |
Output is correct |
35 |
Correct |
2 ms |
980 KB |
Output is correct |
36 |
Correct |
6 ms |
1236 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
468 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
596 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
596 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
0 ms |
468 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
596 KB |
Output is correct |
20 |
Correct |
1 ms |
596 KB |
Output is correct |
21 |
Correct |
4 ms |
852 KB |
Output is correct |
22 |
Correct |
4 ms |
980 KB |
Output is correct |
23 |
Correct |
2 ms |
724 KB |
Output is correct |
24 |
Correct |
7 ms |
1156 KB |
Output is correct |
25 |
Correct |
2 ms |
980 KB |
Output is correct |
26 |
Correct |
2 ms |
1108 KB |
Output is correct |
27 |
Correct |
2 ms |
1108 KB |
Output is correct |
28 |
Correct |
2 ms |
980 KB |
Output is correct |
29 |
Correct |
2 ms |
980 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
5 ms |
1108 KB |
Output is correct |
32 |
Correct |
6 ms |
1236 KB |
Output is correct |
33 |
Correct |
1 ms |
980 KB |
Output is correct |
34 |
Correct |
1 ms |
980 KB |
Output is correct |
35 |
Correct |
2 ms |
980 KB |
Output is correct |
36 |
Correct |
6 ms |
1236 KB |
Output is correct |
37 |
Correct |
14 ms |
2004 KB |
Output is correct |
38 |
Correct |
16 ms |
2056 KB |
Output is correct |
39 |
Correct |
2 ms |
2004 KB |
Output is correct |
40 |
Correct |
459 ms |
10432 KB |
Output is correct |
41 |
Correct |
2 ms |
2132 KB |
Output is correct |
42 |
Correct |
329 ms |
8888 KB |
Output is correct |
43 |
Correct |
75 ms |
3964 KB |
Output is correct |
44 |
Correct |
76 ms |
3960 KB |
Output is correct |
45 |
Correct |
73 ms |
3968 KB |
Output is correct |
46 |
Correct |
0 ms |
340 KB |
Output is correct |
47 |
Correct |
302 ms |
8784 KB |
Output is correct |
48 |
Correct |
28 ms |
2624 KB |
Output is correct |
49 |
Correct |
21 ms |
2324 KB |
Output is correct |
50 |
Correct |
373 ms |
9708 KB |
Output is correct |
51 |
Correct |
0 ms |
340 KB |
Output is correct |
52 |
Correct |
50 ms |
3276 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
468 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
596 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
596 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
0 ms |
468 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
596 KB |
Output is correct |
20 |
Correct |
1 ms |
596 KB |
Output is correct |
21 |
Correct |
4 ms |
852 KB |
Output is correct |
22 |
Correct |
4 ms |
980 KB |
Output is correct |
23 |
Correct |
2 ms |
724 KB |
Output is correct |
24 |
Correct |
7 ms |
1156 KB |
Output is correct |
25 |
Correct |
2 ms |
980 KB |
Output is correct |
26 |
Correct |
2 ms |
1108 KB |
Output is correct |
27 |
Correct |
2 ms |
1108 KB |
Output is correct |
28 |
Correct |
2 ms |
980 KB |
Output is correct |
29 |
Correct |
2 ms |
980 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
5 ms |
1108 KB |
Output is correct |
32 |
Correct |
6 ms |
1236 KB |
Output is correct |
33 |
Correct |
1 ms |
980 KB |
Output is correct |
34 |
Correct |
1 ms |
980 KB |
Output is correct |
35 |
Correct |
2 ms |
980 KB |
Output is correct |
36 |
Correct |
6 ms |
1236 KB |
Output is correct |
37 |
Correct |
14 ms |
2004 KB |
Output is correct |
38 |
Correct |
16 ms |
2056 KB |
Output is correct |
39 |
Correct |
2 ms |
2004 KB |
Output is correct |
40 |
Correct |
459 ms |
10432 KB |
Output is correct |
41 |
Correct |
2 ms |
2132 KB |
Output is correct |
42 |
Correct |
329 ms |
8888 KB |
Output is correct |
43 |
Correct |
75 ms |
3964 KB |
Output is correct |
44 |
Correct |
76 ms |
3960 KB |
Output is correct |
45 |
Correct |
73 ms |
3968 KB |
Output is correct |
46 |
Correct |
0 ms |
340 KB |
Output is correct |
47 |
Correct |
302 ms |
8784 KB |
Output is correct |
48 |
Correct |
28 ms |
2624 KB |
Output is correct |
49 |
Correct |
21 ms |
2324 KB |
Output is correct |
50 |
Correct |
373 ms |
9708 KB |
Output is correct |
51 |
Correct |
0 ms |
340 KB |
Output is correct |
52 |
Correct |
50 ms |
3276 KB |
Output is correct |
53 |
Correct |
419 ms |
9600 KB |
Output is correct |
54 |
Correct |
546 ms |
10332 KB |
Output is correct |
55 |
Correct |
81 ms |
4144 KB |
Output is correct |
56 |
Correct |
531 ms |
10692 KB |
Output is correct |
57 |
Correct |
97 ms |
4328 KB |
Output is correct |
58 |
Correct |
846 ms |
13624 KB |
Output is correct |
59 |
Correct |
365 ms |
8984 KB |
Output is correct |
60 |
Correct |
1 ms |
340 KB |
Output is correct |
61 |
Correct |
396 ms |
9164 KB |
Output is correct |
62 |
Correct |
182 ms |
6132 KB |
Output is correct |
63 |
Correct |
111 ms |
4620 KB |
Output is correct |
64 |
Correct |
116 ms |
4556 KB |
Output is correct |
65 |
Correct |
4 ms |
2516 KB |
Output is correct |
66 |
Correct |
15 ms |
2588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
468 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
596 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
596 KB |
Output is correct |
15 |
Correct |
1 ms |
596 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
0 ms |
468 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
596 KB |
Output is correct |
20 |
Correct |
1 ms |
596 KB |
Output is correct |
21 |
Correct |
4 ms |
852 KB |
Output is correct |
22 |
Correct |
4 ms |
980 KB |
Output is correct |
23 |
Correct |
2 ms |
724 KB |
Output is correct |
24 |
Correct |
7 ms |
1156 KB |
Output is correct |
25 |
Correct |
2 ms |
980 KB |
Output is correct |
26 |
Correct |
2 ms |
1108 KB |
Output is correct |
27 |
Correct |
2 ms |
1108 KB |
Output is correct |
28 |
Correct |
2 ms |
980 KB |
Output is correct |
29 |
Correct |
2 ms |
980 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
5 ms |
1108 KB |
Output is correct |
32 |
Correct |
6 ms |
1236 KB |
Output is correct |
33 |
Correct |
1 ms |
980 KB |
Output is correct |
34 |
Correct |
1 ms |
980 KB |
Output is correct |
35 |
Correct |
2 ms |
980 KB |
Output is correct |
36 |
Correct |
6 ms |
1236 KB |
Output is correct |
37 |
Correct |
14 ms |
2004 KB |
Output is correct |
38 |
Correct |
16 ms |
2056 KB |
Output is correct |
39 |
Correct |
2 ms |
2004 KB |
Output is correct |
40 |
Correct |
459 ms |
10432 KB |
Output is correct |
41 |
Correct |
2 ms |
2132 KB |
Output is correct |
42 |
Correct |
329 ms |
8888 KB |
Output is correct |
43 |
Correct |
75 ms |
3964 KB |
Output is correct |
44 |
Correct |
76 ms |
3960 KB |
Output is correct |
45 |
Correct |
73 ms |
3968 KB |
Output is correct |
46 |
Correct |
0 ms |
340 KB |
Output is correct |
47 |
Correct |
302 ms |
8784 KB |
Output is correct |
48 |
Correct |
28 ms |
2624 KB |
Output is correct |
49 |
Correct |
21 ms |
2324 KB |
Output is correct |
50 |
Correct |
373 ms |
9708 KB |
Output is correct |
51 |
Correct |
0 ms |
340 KB |
Output is correct |
52 |
Correct |
50 ms |
3276 KB |
Output is correct |
53 |
Correct |
419 ms |
9600 KB |
Output is correct |
54 |
Correct |
546 ms |
10332 KB |
Output is correct |
55 |
Correct |
81 ms |
4144 KB |
Output is correct |
56 |
Correct |
531 ms |
10692 KB |
Output is correct |
57 |
Correct |
97 ms |
4328 KB |
Output is correct |
58 |
Correct |
846 ms |
13624 KB |
Output is correct |
59 |
Correct |
365 ms |
8984 KB |
Output is correct |
60 |
Correct |
1 ms |
340 KB |
Output is correct |
61 |
Correct |
396 ms |
9164 KB |
Output is correct |
62 |
Correct |
182 ms |
6132 KB |
Output is correct |
63 |
Correct |
111 ms |
4620 KB |
Output is correct |
64 |
Correct |
116 ms |
4556 KB |
Output is correct |
65 |
Correct |
4 ms |
2516 KB |
Output is correct |
66 |
Correct |
15 ms |
2588 KB |
Output is correct |
67 |
Execution timed out |
1086 ms |
15916 KB |
Time limit exceeded |
68 |
Halted |
0 ms |
0 KB |
- |