/*input
4
1 3 1 5
*/
#include <stdio.h>
#include <vector>
using namespace std;
const int N = 501, Mod = 1000696969;
int check[N * N], cnt[1000001], Lol[501], a[N], n, sum;
void add(int &x, int b){
x += b;
x = (x > Mod) ? (x - Mod) : x;
}
void sub(int &x, int b){
x = x - b;
x = (x >= 0) ? x : x + Mod;
}
int main(){
scanf("%d", &n);
check[0] = 1;
for(int i = 1; i <= n; ++i){
scanf("%d", &a[i]), sum += a[i];
for(int j = sum; j >= a[i]; --j)
add(check[j], check[j - a[i]]);
if(cnt[a[i]] == 1) Lol[i] = 1;
else ++cnt[a[i]];
}
if((sum & 1) || check[sum >> 1] == 0) return puts("0"), 0;
vector<int> ans;
for(int i = 1; i <= sum; ++i){
int Sum = sum + i, ok = 1;
for(int j = 1; j <= n; ++j){
if(Lol[j]) continue;
if(ok == 0 || ((Sum - a[j]) & 1) || (((Sum - a[j]) >> 1) < i)) {
ok = 0; break;
}
int A = 0, sign = 1;
for(int k = ((Sum - a[j]) >> 1) - i; k >= 0; k -= a[j])
if(sign) add(A, check[k]), sign ^= 1;
else sub(A, check[k]), sign ^= 1;
if(A == 0 || A == Mod) ok = 0;
}
if(ok) ans.push_back(i);
}
printf("%d\n", (int)ans.size());
if(ans.size()) for(int i = 0; i < (int)ans.size(); ++i) printf("%d ", ans[i]);
printf("\n");
}
Compilation message
bootfall.cpp: In function 'int main()':
bootfall.cpp:22:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n);
^
bootfall.cpp:26:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &a[i]), sum += a[i];
^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6056 KB |
Output is correct |
2 |
Correct |
0 ms |
6056 KB |
Output is correct |
3 |
Correct |
0 ms |
6056 KB |
Output is correct |
4 |
Correct |
0 ms |
6056 KB |
Output is correct |
5 |
Correct |
0 ms |
6056 KB |
Output is correct |
6 |
Correct |
0 ms |
6056 KB |
Output is correct |
7 |
Correct |
0 ms |
6056 KB |
Output is correct |
8 |
Correct |
0 ms |
6056 KB |
Output is correct |
9 |
Correct |
0 ms |
6056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6056 KB |
Output is correct |
2 |
Correct |
0 ms |
6056 KB |
Output is correct |
3 |
Correct |
0 ms |
6056 KB |
Output is correct |
4 |
Correct |
0 ms |
6056 KB |
Output is correct |
5 |
Correct |
0 ms |
6056 KB |
Output is correct |
6 |
Correct |
0 ms |
6056 KB |
Output is correct |
7 |
Correct |
0 ms |
6056 KB |
Output is correct |
8 |
Correct |
0 ms |
6056 KB |
Output is correct |
9 |
Correct |
0 ms |
6056 KB |
Output is correct |
10 |
Correct |
0 ms |
6056 KB |
Output is correct |
11 |
Correct |
0 ms |
6056 KB |
Output is correct |
12 |
Correct |
0 ms |
6056 KB |
Output is correct |
13 |
Correct |
0 ms |
6056 KB |
Output is correct |
14 |
Correct |
0 ms |
6056 KB |
Output is correct |
15 |
Correct |
0 ms |
6056 KB |
Output is correct |
16 |
Correct |
0 ms |
6056 KB |
Output is correct |
17 |
Correct |
0 ms |
6056 KB |
Output is correct |
18 |
Correct |
0 ms |
6056 KB |
Output is correct |
19 |
Correct |
0 ms |
6056 KB |
Output is correct |
20 |
Correct |
0 ms |
6056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6056 KB |
Output is correct |
2 |
Correct |
0 ms |
6056 KB |
Output is correct |
3 |
Correct |
0 ms |
6056 KB |
Output is correct |
4 |
Correct |
0 ms |
6056 KB |
Output is correct |
5 |
Correct |
0 ms |
6056 KB |
Output is correct |
6 |
Correct |
0 ms |
6056 KB |
Output is correct |
7 |
Correct |
0 ms |
6056 KB |
Output is correct |
8 |
Correct |
0 ms |
6056 KB |
Output is correct |
9 |
Correct |
0 ms |
6056 KB |
Output is correct |
10 |
Correct |
0 ms |
6056 KB |
Output is correct |
11 |
Correct |
0 ms |
6056 KB |
Output is correct |
12 |
Correct |
0 ms |
6056 KB |
Output is correct |
13 |
Correct |
0 ms |
6056 KB |
Output is correct |
14 |
Correct |
0 ms |
6056 KB |
Output is correct |
15 |
Correct |
0 ms |
6056 KB |
Output is correct |
16 |
Correct |
0 ms |
6056 KB |
Output is correct |
17 |
Correct |
0 ms |
6056 KB |
Output is correct |
18 |
Correct |
0 ms |
6056 KB |
Output is correct |
19 |
Correct |
0 ms |
6056 KB |
Output is correct |
20 |
Correct |
0 ms |
6056 KB |
Output is correct |
21 |
Correct |
3 ms |
6056 KB |
Output is correct |
22 |
Correct |
3 ms |
6056 KB |
Output is correct |
23 |
Correct |
3 ms |
6056 KB |
Output is correct |
24 |
Correct |
6 ms |
6056 KB |
Output is correct |
25 |
Correct |
0 ms |
6056 KB |
Output is correct |
26 |
Correct |
0 ms |
6056 KB |
Output is correct |
27 |
Correct |
0 ms |
6056 KB |
Output is correct |
28 |
Correct |
0 ms |
6056 KB |
Output is correct |
29 |
Correct |
0 ms |
6056 KB |
Output is correct |
30 |
Correct |
0 ms |
6056 KB |
Output is correct |
31 |
Correct |
3 ms |
6056 KB |
Output is correct |
32 |
Correct |
9 ms |
6056 KB |
Output is correct |
33 |
Correct |
0 ms |
6056 KB |
Output is correct |
34 |
Correct |
0 ms |
6056 KB |
Output is correct |
35 |
Correct |
0 ms |
6056 KB |
Output is correct |
36 |
Correct |
13 ms |
6056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6056 KB |
Output is correct |
2 |
Correct |
0 ms |
6056 KB |
Output is correct |
3 |
Correct |
0 ms |
6056 KB |
Output is correct |
4 |
Correct |
0 ms |
6056 KB |
Output is correct |
5 |
Correct |
0 ms |
6056 KB |
Output is correct |
6 |
Correct |
0 ms |
6056 KB |
Output is correct |
7 |
Correct |
0 ms |
6056 KB |
Output is correct |
8 |
Correct |
0 ms |
6056 KB |
Output is correct |
9 |
Correct |
0 ms |
6056 KB |
Output is correct |
10 |
Correct |
0 ms |
6056 KB |
Output is correct |
11 |
Correct |
0 ms |
6056 KB |
Output is correct |
12 |
Correct |
0 ms |
6056 KB |
Output is correct |
13 |
Correct |
0 ms |
6056 KB |
Output is correct |
14 |
Correct |
0 ms |
6056 KB |
Output is correct |
15 |
Correct |
0 ms |
6056 KB |
Output is correct |
16 |
Correct |
0 ms |
6056 KB |
Output is correct |
17 |
Correct |
0 ms |
6056 KB |
Output is correct |
18 |
Correct |
0 ms |
6056 KB |
Output is correct |
19 |
Correct |
0 ms |
6056 KB |
Output is correct |
20 |
Correct |
0 ms |
6056 KB |
Output is correct |
21 |
Correct |
3 ms |
6056 KB |
Output is correct |
22 |
Correct |
3 ms |
6056 KB |
Output is correct |
23 |
Correct |
3 ms |
6056 KB |
Output is correct |
24 |
Correct |
6 ms |
6056 KB |
Output is correct |
25 |
Correct |
0 ms |
6056 KB |
Output is correct |
26 |
Correct |
0 ms |
6056 KB |
Output is correct |
27 |
Correct |
0 ms |
6056 KB |
Output is correct |
28 |
Correct |
0 ms |
6056 KB |
Output is correct |
29 |
Correct |
0 ms |
6056 KB |
Output is correct |
30 |
Correct |
0 ms |
6056 KB |
Output is correct |
31 |
Correct |
3 ms |
6056 KB |
Output is correct |
32 |
Correct |
9 ms |
6056 KB |
Output is correct |
33 |
Correct |
0 ms |
6056 KB |
Output is correct |
34 |
Correct |
0 ms |
6056 KB |
Output is correct |
35 |
Correct |
0 ms |
6056 KB |
Output is correct |
36 |
Correct |
13 ms |
6056 KB |
Output is correct |
37 |
Correct |
46 ms |
6196 KB |
Output is correct |
38 |
Correct |
49 ms |
6196 KB |
Output is correct |
39 |
Correct |
23 ms |
6056 KB |
Output is correct |
40 |
Correct |
796 ms |
6196 KB |
Output is correct |
41 |
Correct |
29 ms |
6056 KB |
Output is correct |
42 |
Correct |
409 ms |
6196 KB |
Output is correct |
43 |
Correct |
93 ms |
6328 KB |
Output is correct |
44 |
Correct |
113 ms |
6328 KB |
Output is correct |
45 |
Correct |
89 ms |
6328 KB |
Output is correct |
46 |
Correct |
29 ms |
6056 KB |
Output is correct |
47 |
Correct |
633 ms |
6196 KB |
Output is correct |
48 |
Correct |
33 ms |
6328 KB |
Output is correct |
49 |
Correct |
19 ms |
6196 KB |
Output is correct |
50 |
Correct |
749 ms |
6196 KB |
Output is correct |
51 |
Correct |
6 ms |
6056 KB |
Output is correct |
52 |
Correct |
69 ms |
6328 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6056 KB |
Output is correct |
2 |
Correct |
0 ms |
6056 KB |
Output is correct |
3 |
Correct |
0 ms |
6056 KB |
Output is correct |
4 |
Correct |
0 ms |
6056 KB |
Output is correct |
5 |
Correct |
0 ms |
6056 KB |
Output is correct |
6 |
Correct |
0 ms |
6056 KB |
Output is correct |
7 |
Correct |
0 ms |
6056 KB |
Output is correct |
8 |
Correct |
0 ms |
6056 KB |
Output is correct |
9 |
Correct |
0 ms |
6056 KB |
Output is correct |
10 |
Correct |
0 ms |
6056 KB |
Output is correct |
11 |
Correct |
0 ms |
6056 KB |
Output is correct |
12 |
Correct |
0 ms |
6056 KB |
Output is correct |
13 |
Correct |
0 ms |
6056 KB |
Output is correct |
14 |
Correct |
0 ms |
6056 KB |
Output is correct |
15 |
Correct |
0 ms |
6056 KB |
Output is correct |
16 |
Correct |
0 ms |
6056 KB |
Output is correct |
17 |
Correct |
0 ms |
6056 KB |
Output is correct |
18 |
Correct |
0 ms |
6056 KB |
Output is correct |
19 |
Correct |
0 ms |
6056 KB |
Output is correct |
20 |
Correct |
0 ms |
6056 KB |
Output is correct |
21 |
Correct |
3 ms |
6056 KB |
Output is correct |
22 |
Correct |
3 ms |
6056 KB |
Output is correct |
23 |
Correct |
3 ms |
6056 KB |
Output is correct |
24 |
Correct |
6 ms |
6056 KB |
Output is correct |
25 |
Correct |
0 ms |
6056 KB |
Output is correct |
26 |
Correct |
0 ms |
6056 KB |
Output is correct |
27 |
Correct |
0 ms |
6056 KB |
Output is correct |
28 |
Correct |
0 ms |
6056 KB |
Output is correct |
29 |
Correct |
0 ms |
6056 KB |
Output is correct |
30 |
Correct |
0 ms |
6056 KB |
Output is correct |
31 |
Correct |
3 ms |
6056 KB |
Output is correct |
32 |
Correct |
9 ms |
6056 KB |
Output is correct |
33 |
Correct |
0 ms |
6056 KB |
Output is correct |
34 |
Correct |
0 ms |
6056 KB |
Output is correct |
35 |
Correct |
0 ms |
6056 KB |
Output is correct |
36 |
Correct |
13 ms |
6056 KB |
Output is correct |
37 |
Correct |
46 ms |
6196 KB |
Output is correct |
38 |
Correct |
49 ms |
6196 KB |
Output is correct |
39 |
Correct |
23 ms |
6056 KB |
Output is correct |
40 |
Correct |
796 ms |
6196 KB |
Output is correct |
41 |
Correct |
29 ms |
6056 KB |
Output is correct |
42 |
Correct |
409 ms |
6196 KB |
Output is correct |
43 |
Correct |
93 ms |
6328 KB |
Output is correct |
44 |
Correct |
113 ms |
6328 KB |
Output is correct |
45 |
Correct |
89 ms |
6328 KB |
Output is correct |
46 |
Correct |
29 ms |
6056 KB |
Output is correct |
47 |
Correct |
633 ms |
6196 KB |
Output is correct |
48 |
Correct |
33 ms |
6328 KB |
Output is correct |
49 |
Correct |
19 ms |
6196 KB |
Output is correct |
50 |
Correct |
749 ms |
6196 KB |
Output is correct |
51 |
Correct |
6 ms |
6056 KB |
Output is correct |
52 |
Correct |
69 ms |
6328 KB |
Output is correct |
53 |
Correct |
519 ms |
6328 KB |
Output is correct |
54 |
Correct |
723 ms |
6328 KB |
Output is correct |
55 |
Correct |
186 ms |
6524 KB |
Output is correct |
56 |
Correct |
689 ms |
6328 KB |
Output is correct |
57 |
Correct |
209 ms |
6524 KB |
Output is correct |
58 |
Execution timed out |
1000 ms |
6196 KB |
Execution timed out |
59 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6056 KB |
Output is correct |
2 |
Correct |
0 ms |
6056 KB |
Output is correct |
3 |
Correct |
0 ms |
6056 KB |
Output is correct |
4 |
Correct |
0 ms |
6056 KB |
Output is correct |
5 |
Correct |
0 ms |
6056 KB |
Output is correct |
6 |
Correct |
0 ms |
6056 KB |
Output is correct |
7 |
Correct |
0 ms |
6056 KB |
Output is correct |
8 |
Correct |
0 ms |
6056 KB |
Output is correct |
9 |
Correct |
0 ms |
6056 KB |
Output is correct |
10 |
Correct |
0 ms |
6056 KB |
Output is correct |
11 |
Correct |
0 ms |
6056 KB |
Output is correct |
12 |
Correct |
0 ms |
6056 KB |
Output is correct |
13 |
Correct |
0 ms |
6056 KB |
Output is correct |
14 |
Correct |
0 ms |
6056 KB |
Output is correct |
15 |
Correct |
0 ms |
6056 KB |
Output is correct |
16 |
Correct |
0 ms |
6056 KB |
Output is correct |
17 |
Correct |
0 ms |
6056 KB |
Output is correct |
18 |
Correct |
0 ms |
6056 KB |
Output is correct |
19 |
Correct |
0 ms |
6056 KB |
Output is correct |
20 |
Correct |
0 ms |
6056 KB |
Output is correct |
21 |
Correct |
3 ms |
6056 KB |
Output is correct |
22 |
Correct |
3 ms |
6056 KB |
Output is correct |
23 |
Correct |
3 ms |
6056 KB |
Output is correct |
24 |
Correct |
6 ms |
6056 KB |
Output is correct |
25 |
Correct |
0 ms |
6056 KB |
Output is correct |
26 |
Correct |
0 ms |
6056 KB |
Output is correct |
27 |
Correct |
0 ms |
6056 KB |
Output is correct |
28 |
Correct |
0 ms |
6056 KB |
Output is correct |
29 |
Correct |
0 ms |
6056 KB |
Output is correct |
30 |
Correct |
0 ms |
6056 KB |
Output is correct |
31 |
Correct |
3 ms |
6056 KB |
Output is correct |
32 |
Correct |
9 ms |
6056 KB |
Output is correct |
33 |
Correct |
0 ms |
6056 KB |
Output is correct |
34 |
Correct |
0 ms |
6056 KB |
Output is correct |
35 |
Correct |
0 ms |
6056 KB |
Output is correct |
36 |
Correct |
13 ms |
6056 KB |
Output is correct |
37 |
Correct |
46 ms |
6196 KB |
Output is correct |
38 |
Correct |
49 ms |
6196 KB |
Output is correct |
39 |
Correct |
23 ms |
6056 KB |
Output is correct |
40 |
Correct |
796 ms |
6196 KB |
Output is correct |
41 |
Correct |
29 ms |
6056 KB |
Output is correct |
42 |
Correct |
409 ms |
6196 KB |
Output is correct |
43 |
Correct |
93 ms |
6328 KB |
Output is correct |
44 |
Correct |
113 ms |
6328 KB |
Output is correct |
45 |
Correct |
89 ms |
6328 KB |
Output is correct |
46 |
Correct |
29 ms |
6056 KB |
Output is correct |
47 |
Correct |
633 ms |
6196 KB |
Output is correct |
48 |
Correct |
33 ms |
6328 KB |
Output is correct |
49 |
Correct |
19 ms |
6196 KB |
Output is correct |
50 |
Correct |
749 ms |
6196 KB |
Output is correct |
51 |
Correct |
6 ms |
6056 KB |
Output is correct |
52 |
Correct |
69 ms |
6328 KB |
Output is correct |
53 |
Correct |
519 ms |
6328 KB |
Output is correct |
54 |
Correct |
723 ms |
6328 KB |
Output is correct |
55 |
Correct |
186 ms |
6524 KB |
Output is correct |
56 |
Correct |
689 ms |
6328 KB |
Output is correct |
57 |
Correct |
209 ms |
6524 KB |
Output is correct |
58 |
Execution timed out |
1000 ms |
6196 KB |
Execution timed out |
59 |
Halted |
0 ms |
0 KB |
- |