#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define ld long double
#define f first
#define s second
#define mp make_pair
const ll maxn = 5e2 + 1, maxm = 3e5 + 1, maxk = 61;
const ll inf = 1000000000, mod = inf + 7, mod2 = 998244353;
const ll pa = 31, block = 400;
using namespace std;
int n, x, y;
int a[maxn], is[maxm], dp2[maxm];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
cin >> n;
dp2[0] = 1;
for (int i = 1; i <= n; ++i){
cin >> a[i];
x += a[i];
for (int j = x; j >= 0; --j){
if (dp2[j] > 0){
dp2[j + a[i]] |= dp2[j];
}
}
}
if (x % 2 != 0){
cout << 0;
return 0;
}
if (x % 2 == 0 && dp2[x / 2] == 0){
cout << 0;
return 0;
}
for (int i = 0; i <= x; ++i){
is[i] = 1;
}
for (int i = 1; i <= n; ++i){
int dp[x + 1], is2[x + 1];
for (int j = 0; j <= x; ++j){
dp[j] = 0, is2[j] = 0;
}
dp[0] = 1;
y = x - a[i];
for (int j = 1; j <= n; ++j){
if (i != j){
for (int k = x; k >= 0; --k){
if (dp[k] > 0 && k + a[j] <= x){
dp[k + a[j]] |= dp[k];
}
}
}
}
for (int k = 0; k <= x; ++k){
ll z = y - k;
if (z > 0 && min(dp[z], dp[k]) == 1){
ll rz = abs(z - k);
if (is[rz] == 1){
is2[rz] = 1;
}
}
}
for (int k = 0; k <= x; ++k){
is[k] = is2[k];
}
}
vector<int> v;
for (int i = 1; i <= x; ++i){
if (is[i] > 0){
v.pb(i);
}
}
cout << v.size() << '\n';
for (auto it : v){
cout << it << " ";
}
}
/*
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
28 ms |
364 KB |
Output is correct |
22 |
Correct |
43 ms |
332 KB |
Output is correct |
23 |
Correct |
12 ms |
316 KB |
Output is correct |
24 |
Correct |
85 ms |
388 KB |
Output is correct |
25 |
Correct |
137 ms |
460 KB |
Output is correct |
26 |
Correct |
154 ms |
456 KB |
Output is correct |
27 |
Correct |
113 ms |
452 KB |
Output is correct |
28 |
Correct |
118 ms |
464 KB |
Output is correct |
29 |
Correct |
122 ms |
456 KB |
Output is correct |
30 |
Correct |
117 ms |
332 KB |
Output is correct |
31 |
Correct |
154 ms |
436 KB |
Output is correct |
32 |
Correct |
105 ms |
392 KB |
Output is correct |
33 |
Correct |
124 ms |
460 KB |
Output is correct |
34 |
Correct |
110 ms |
476 KB |
Output is correct |
35 |
Correct |
118 ms |
460 KB |
Output is correct |
36 |
Correct |
99 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
28 ms |
364 KB |
Output is correct |
22 |
Correct |
43 ms |
332 KB |
Output is correct |
23 |
Correct |
12 ms |
316 KB |
Output is correct |
24 |
Correct |
85 ms |
388 KB |
Output is correct |
25 |
Correct |
137 ms |
460 KB |
Output is correct |
26 |
Correct |
154 ms |
456 KB |
Output is correct |
27 |
Correct |
113 ms |
452 KB |
Output is correct |
28 |
Correct |
118 ms |
464 KB |
Output is correct |
29 |
Correct |
122 ms |
456 KB |
Output is correct |
30 |
Correct |
117 ms |
332 KB |
Output is correct |
31 |
Correct |
154 ms |
436 KB |
Output is correct |
32 |
Correct |
105 ms |
392 KB |
Output is correct |
33 |
Correct |
124 ms |
460 KB |
Output is correct |
34 |
Correct |
110 ms |
476 KB |
Output is correct |
35 |
Correct |
118 ms |
460 KB |
Output is correct |
36 |
Correct |
99 ms |
376 KB |
Output is correct |
37 |
Execution timed out |
1064 ms |
588 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
28 ms |
364 KB |
Output is correct |
22 |
Correct |
43 ms |
332 KB |
Output is correct |
23 |
Correct |
12 ms |
316 KB |
Output is correct |
24 |
Correct |
85 ms |
388 KB |
Output is correct |
25 |
Correct |
137 ms |
460 KB |
Output is correct |
26 |
Correct |
154 ms |
456 KB |
Output is correct |
27 |
Correct |
113 ms |
452 KB |
Output is correct |
28 |
Correct |
118 ms |
464 KB |
Output is correct |
29 |
Correct |
122 ms |
456 KB |
Output is correct |
30 |
Correct |
117 ms |
332 KB |
Output is correct |
31 |
Correct |
154 ms |
436 KB |
Output is correct |
32 |
Correct |
105 ms |
392 KB |
Output is correct |
33 |
Correct |
124 ms |
460 KB |
Output is correct |
34 |
Correct |
110 ms |
476 KB |
Output is correct |
35 |
Correct |
118 ms |
460 KB |
Output is correct |
36 |
Correct |
99 ms |
376 KB |
Output is correct |
37 |
Execution timed out |
1064 ms |
588 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
28 ms |
364 KB |
Output is correct |
22 |
Correct |
43 ms |
332 KB |
Output is correct |
23 |
Correct |
12 ms |
316 KB |
Output is correct |
24 |
Correct |
85 ms |
388 KB |
Output is correct |
25 |
Correct |
137 ms |
460 KB |
Output is correct |
26 |
Correct |
154 ms |
456 KB |
Output is correct |
27 |
Correct |
113 ms |
452 KB |
Output is correct |
28 |
Correct |
118 ms |
464 KB |
Output is correct |
29 |
Correct |
122 ms |
456 KB |
Output is correct |
30 |
Correct |
117 ms |
332 KB |
Output is correct |
31 |
Correct |
154 ms |
436 KB |
Output is correct |
32 |
Correct |
105 ms |
392 KB |
Output is correct |
33 |
Correct |
124 ms |
460 KB |
Output is correct |
34 |
Correct |
110 ms |
476 KB |
Output is correct |
35 |
Correct |
118 ms |
460 KB |
Output is correct |
36 |
Correct |
99 ms |
376 KB |
Output is correct |
37 |
Execution timed out |
1064 ms |
588 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |