#pragma GCC optimize("Ofast,O2,O3")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
void debug_out() { cerr << endl; }
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
cerr << "[" << H << "]";
debug_out(T...);
}
#ifdef dddxxz
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
#define SZ(s) ((int)s.size())
#define all(x) (x).begin(), (x).end()
#define revall(x) (x).rbegin(), (x).rend()
clock_t startTime;
double getCurrentTime() {
return (double) (clock() - startTime) / CLOCKS_PER_SEC;
}
#define MP make_pair
typedef long long ll;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
const double eps = 0.00001;
const int MOD = 1e9;
const int INF = 1000000101;
const long long LLINF = 1223372000000000555;
const int N = 2e6 + 3e2;
const int M = 1024;
int a[N];
int cnt[N];
void solve(int TC) {
int n;
cin >> n;
const int MAXX = 350*350 + 1;
bitset<MAXX> b;
b[0] = 1;
int sum = 0;
for (int i = 1; i <= n; i++){
cin >> a[i];
sum += a[i];
b |= b << a[i];
}
if (sum % 2 || !b[sum / 2]){
cout << 0;
return;
}
for (int i = 1; i <= n; i++){
b.reset();
b[0] = 1;
for (int j = 1; j <= n; j++){
if (i != j) b |= b << a[j];
}
for (int j = 1; j < MAXX; j++){
int x = 2 * j - sum + a[i];
if (b[j] && x > 0) cnt[x]++;
}
}
vector<int> ans;
for (int i = 1; i < MAXX; i++){
if (cnt[i] == n) ans.push_back(i);
}
cout << ans.size() << endl;
for (int x : ans) cout << x << ' ';
}
int main() {
startTime = clock();
cin.tie(nullptr);
cout.tie(nullptr);
ios_base::sync_with_stdio(false);
bool llololcal = false;
#ifdef dddxxz
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
llololcal = true;
#endif
int TC = 1;
//cin >> TC;
for (int test = 1; test <= TC; test++) {
debug(test);
//cout << "Case #" << test << ": ";
solve(test);
}
if (llololcal) cerr << endl << "Time: " << int(getCurrentTime() * 1000) << " ms" << endl;
return 0;
}
Compilation message
bootfall.cpp: In function 'int main()':
bootfall.cpp:19:20: warning: statement has no effect [-Wunused-value]
19 | #define debug(...) 42
| ^~
bootfall.cpp:103:9: note: in expansion of macro 'debug'
103 | debug(test);
| ^~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
4 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
332 KB |
Output is correct |
7 |
Correct |
2 ms |
332 KB |
Output is correct |
8 |
Correct |
3 ms |
368 KB |
Output is correct |
9 |
Correct |
4 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
4 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
332 KB |
Output is correct |
7 |
Correct |
2 ms |
332 KB |
Output is correct |
8 |
Correct |
3 ms |
368 KB |
Output is correct |
9 |
Correct |
4 ms |
332 KB |
Output is correct |
10 |
Correct |
9 ms |
372 KB |
Output is correct |
11 |
Correct |
9 ms |
332 KB |
Output is correct |
12 |
Correct |
9 ms |
332 KB |
Output is correct |
13 |
Correct |
10 ms |
372 KB |
Output is correct |
14 |
Correct |
9 ms |
332 KB |
Output is correct |
15 |
Correct |
8 ms |
332 KB |
Output is correct |
16 |
Correct |
9 ms |
332 KB |
Output is correct |
17 |
Correct |
8 ms |
364 KB |
Output is correct |
18 |
Correct |
7 ms |
332 KB |
Output is correct |
19 |
Correct |
8 ms |
332 KB |
Output is correct |
20 |
Correct |
9 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
4 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
332 KB |
Output is correct |
7 |
Correct |
2 ms |
332 KB |
Output is correct |
8 |
Correct |
3 ms |
368 KB |
Output is correct |
9 |
Correct |
4 ms |
332 KB |
Output is correct |
10 |
Correct |
9 ms |
372 KB |
Output is correct |
11 |
Correct |
9 ms |
332 KB |
Output is correct |
12 |
Correct |
9 ms |
332 KB |
Output is correct |
13 |
Correct |
10 ms |
372 KB |
Output is correct |
14 |
Correct |
9 ms |
332 KB |
Output is correct |
15 |
Correct |
8 ms |
332 KB |
Output is correct |
16 |
Correct |
9 ms |
332 KB |
Output is correct |
17 |
Correct |
8 ms |
364 KB |
Output is correct |
18 |
Correct |
7 ms |
332 KB |
Output is correct |
19 |
Correct |
8 ms |
332 KB |
Output is correct |
20 |
Correct |
9 ms |
332 KB |
Output is correct |
21 |
Correct |
27 ms |
332 KB |
Output is correct |
22 |
Correct |
35 ms |
376 KB |
Output is correct |
23 |
Correct |
18 ms |
376 KB |
Output is correct |
24 |
Correct |
62 ms |
364 KB |
Output is correct |
25 |
Correct |
48 ms |
332 KB |
Output is correct |
26 |
Correct |
54 ms |
396 KB |
Output is correct |
27 |
Correct |
54 ms |
388 KB |
Output is correct |
28 |
Correct |
53 ms |
380 KB |
Output is correct |
29 |
Correct |
63 ms |
332 KB |
Output is correct |
30 |
Correct |
54 ms |
364 KB |
Output is correct |
31 |
Correct |
54 ms |
376 KB |
Output is correct |
32 |
Correct |
54 ms |
376 KB |
Output is correct |
33 |
Correct |
54 ms |
388 KB |
Output is correct |
34 |
Correct |
55 ms |
332 KB |
Output is correct |
35 |
Correct |
55 ms |
396 KB |
Output is correct |
36 |
Correct |
56 ms |
372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
4 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
332 KB |
Output is correct |
7 |
Correct |
2 ms |
332 KB |
Output is correct |
8 |
Correct |
3 ms |
368 KB |
Output is correct |
9 |
Correct |
4 ms |
332 KB |
Output is correct |
10 |
Correct |
9 ms |
372 KB |
Output is correct |
11 |
Correct |
9 ms |
332 KB |
Output is correct |
12 |
Correct |
9 ms |
332 KB |
Output is correct |
13 |
Correct |
10 ms |
372 KB |
Output is correct |
14 |
Correct |
9 ms |
332 KB |
Output is correct |
15 |
Correct |
8 ms |
332 KB |
Output is correct |
16 |
Correct |
9 ms |
332 KB |
Output is correct |
17 |
Correct |
8 ms |
364 KB |
Output is correct |
18 |
Correct |
7 ms |
332 KB |
Output is correct |
19 |
Correct |
8 ms |
332 KB |
Output is correct |
20 |
Correct |
9 ms |
332 KB |
Output is correct |
21 |
Correct |
27 ms |
332 KB |
Output is correct |
22 |
Correct |
35 ms |
376 KB |
Output is correct |
23 |
Correct |
18 ms |
376 KB |
Output is correct |
24 |
Correct |
62 ms |
364 KB |
Output is correct |
25 |
Correct |
48 ms |
332 KB |
Output is correct |
26 |
Correct |
54 ms |
396 KB |
Output is correct |
27 |
Correct |
54 ms |
388 KB |
Output is correct |
28 |
Correct |
53 ms |
380 KB |
Output is correct |
29 |
Correct |
63 ms |
332 KB |
Output is correct |
30 |
Correct |
54 ms |
364 KB |
Output is correct |
31 |
Correct |
54 ms |
376 KB |
Output is correct |
32 |
Correct |
54 ms |
376 KB |
Output is correct |
33 |
Correct |
54 ms |
388 KB |
Output is correct |
34 |
Correct |
55 ms |
332 KB |
Output is correct |
35 |
Correct |
55 ms |
396 KB |
Output is correct |
36 |
Correct |
56 ms |
372 KB |
Output is correct |
37 |
Correct |
180 ms |
548 KB |
Output is correct |
38 |
Correct |
179 ms |
552 KB |
Output is correct |
39 |
Correct |
263 ms |
596 KB |
Output is correct |
40 |
Correct |
305 ms |
620 KB |
Output is correct |
41 |
Correct |
309 ms |
588 KB |
Output is correct |
42 |
Correct |
265 ms |
596 KB |
Output is correct |
43 |
Correct |
256 ms |
956 KB |
Output is correct |
44 |
Correct |
263 ms |
972 KB |
Output is correct |
45 |
Correct |
280 ms |
956 KB |
Output is correct |
46 |
Correct |
348 ms |
480 KB |
Output is correct |
47 |
Correct |
278 ms |
664 KB |
Output is correct |
48 |
Correct |
284 ms |
848 KB |
Output is correct |
49 |
Correct |
298 ms |
600 KB |
Output is correct |
50 |
Correct |
276 ms |
608 KB |
Output is correct |
51 |
Correct |
2 ms |
332 KB |
Output is correct |
52 |
Correct |
302 ms |
1020 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
4 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
332 KB |
Output is correct |
7 |
Correct |
2 ms |
332 KB |
Output is correct |
8 |
Correct |
3 ms |
368 KB |
Output is correct |
9 |
Correct |
4 ms |
332 KB |
Output is correct |
10 |
Correct |
9 ms |
372 KB |
Output is correct |
11 |
Correct |
9 ms |
332 KB |
Output is correct |
12 |
Correct |
9 ms |
332 KB |
Output is correct |
13 |
Correct |
10 ms |
372 KB |
Output is correct |
14 |
Correct |
9 ms |
332 KB |
Output is correct |
15 |
Correct |
8 ms |
332 KB |
Output is correct |
16 |
Correct |
9 ms |
332 KB |
Output is correct |
17 |
Correct |
8 ms |
364 KB |
Output is correct |
18 |
Correct |
7 ms |
332 KB |
Output is correct |
19 |
Correct |
8 ms |
332 KB |
Output is correct |
20 |
Correct |
9 ms |
332 KB |
Output is correct |
21 |
Correct |
27 ms |
332 KB |
Output is correct |
22 |
Correct |
35 ms |
376 KB |
Output is correct |
23 |
Correct |
18 ms |
376 KB |
Output is correct |
24 |
Correct |
62 ms |
364 KB |
Output is correct |
25 |
Correct |
48 ms |
332 KB |
Output is correct |
26 |
Correct |
54 ms |
396 KB |
Output is correct |
27 |
Correct |
54 ms |
388 KB |
Output is correct |
28 |
Correct |
53 ms |
380 KB |
Output is correct |
29 |
Correct |
63 ms |
332 KB |
Output is correct |
30 |
Correct |
54 ms |
364 KB |
Output is correct |
31 |
Correct |
54 ms |
376 KB |
Output is correct |
32 |
Correct |
54 ms |
376 KB |
Output is correct |
33 |
Correct |
54 ms |
388 KB |
Output is correct |
34 |
Correct |
55 ms |
332 KB |
Output is correct |
35 |
Correct |
55 ms |
396 KB |
Output is correct |
36 |
Correct |
56 ms |
372 KB |
Output is correct |
37 |
Correct |
180 ms |
548 KB |
Output is correct |
38 |
Correct |
179 ms |
552 KB |
Output is correct |
39 |
Correct |
263 ms |
596 KB |
Output is correct |
40 |
Correct |
305 ms |
620 KB |
Output is correct |
41 |
Correct |
309 ms |
588 KB |
Output is correct |
42 |
Correct |
265 ms |
596 KB |
Output is correct |
43 |
Correct |
256 ms |
956 KB |
Output is correct |
44 |
Correct |
263 ms |
972 KB |
Output is correct |
45 |
Correct |
280 ms |
956 KB |
Output is correct |
46 |
Correct |
348 ms |
480 KB |
Output is correct |
47 |
Correct |
278 ms |
664 KB |
Output is correct |
48 |
Correct |
284 ms |
848 KB |
Output is correct |
49 |
Correct |
298 ms |
600 KB |
Output is correct |
50 |
Correct |
276 ms |
608 KB |
Output is correct |
51 |
Correct |
2 ms |
332 KB |
Output is correct |
52 |
Correct |
302 ms |
1020 KB |
Output is correct |
53 |
Correct |
378 ms |
756 KB |
Output is correct |
54 |
Correct |
496 ms |
952 KB |
Output is correct |
55 |
Correct |
504 ms |
1300 KB |
Output is correct |
56 |
Correct |
394 ms |
964 KB |
Output is correct |
57 |
Correct |
510 ms |
1464 KB |
Output is correct |
58 |
Correct |
515 ms |
980 KB |
Output is correct |
59 |
Correct |
515 ms |
1176 KB |
Output is correct |
60 |
Correct |
2 ms |
332 KB |
Output is correct |
61 |
Correct |
496 ms |
1208 KB |
Output is correct |
62 |
Correct |
423 ms |
1248 KB |
Output is correct |
63 |
Correct |
427 ms |
1276 KB |
Output is correct |
64 |
Correct |
408 ms |
1272 KB |
Output is correct |
65 |
Correct |
419 ms |
580 KB |
Output is correct |
66 |
Correct |
400 ms |
564 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
4 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
332 KB |
Output is correct |
7 |
Correct |
2 ms |
332 KB |
Output is correct |
8 |
Correct |
3 ms |
368 KB |
Output is correct |
9 |
Correct |
4 ms |
332 KB |
Output is correct |
10 |
Correct |
9 ms |
372 KB |
Output is correct |
11 |
Correct |
9 ms |
332 KB |
Output is correct |
12 |
Correct |
9 ms |
332 KB |
Output is correct |
13 |
Correct |
10 ms |
372 KB |
Output is correct |
14 |
Correct |
9 ms |
332 KB |
Output is correct |
15 |
Correct |
8 ms |
332 KB |
Output is correct |
16 |
Correct |
9 ms |
332 KB |
Output is correct |
17 |
Correct |
8 ms |
364 KB |
Output is correct |
18 |
Correct |
7 ms |
332 KB |
Output is correct |
19 |
Correct |
8 ms |
332 KB |
Output is correct |
20 |
Correct |
9 ms |
332 KB |
Output is correct |
21 |
Correct |
27 ms |
332 KB |
Output is correct |
22 |
Correct |
35 ms |
376 KB |
Output is correct |
23 |
Correct |
18 ms |
376 KB |
Output is correct |
24 |
Correct |
62 ms |
364 KB |
Output is correct |
25 |
Correct |
48 ms |
332 KB |
Output is correct |
26 |
Correct |
54 ms |
396 KB |
Output is correct |
27 |
Correct |
54 ms |
388 KB |
Output is correct |
28 |
Correct |
53 ms |
380 KB |
Output is correct |
29 |
Correct |
63 ms |
332 KB |
Output is correct |
30 |
Correct |
54 ms |
364 KB |
Output is correct |
31 |
Correct |
54 ms |
376 KB |
Output is correct |
32 |
Correct |
54 ms |
376 KB |
Output is correct |
33 |
Correct |
54 ms |
388 KB |
Output is correct |
34 |
Correct |
55 ms |
332 KB |
Output is correct |
35 |
Correct |
55 ms |
396 KB |
Output is correct |
36 |
Correct |
56 ms |
372 KB |
Output is correct |
37 |
Correct |
180 ms |
548 KB |
Output is correct |
38 |
Correct |
179 ms |
552 KB |
Output is correct |
39 |
Correct |
263 ms |
596 KB |
Output is correct |
40 |
Correct |
305 ms |
620 KB |
Output is correct |
41 |
Correct |
309 ms |
588 KB |
Output is correct |
42 |
Correct |
265 ms |
596 KB |
Output is correct |
43 |
Correct |
256 ms |
956 KB |
Output is correct |
44 |
Correct |
263 ms |
972 KB |
Output is correct |
45 |
Correct |
280 ms |
956 KB |
Output is correct |
46 |
Correct |
348 ms |
480 KB |
Output is correct |
47 |
Correct |
278 ms |
664 KB |
Output is correct |
48 |
Correct |
284 ms |
848 KB |
Output is correct |
49 |
Correct |
298 ms |
600 KB |
Output is correct |
50 |
Correct |
276 ms |
608 KB |
Output is correct |
51 |
Correct |
2 ms |
332 KB |
Output is correct |
52 |
Correct |
302 ms |
1020 KB |
Output is correct |
53 |
Correct |
378 ms |
756 KB |
Output is correct |
54 |
Correct |
496 ms |
952 KB |
Output is correct |
55 |
Correct |
504 ms |
1300 KB |
Output is correct |
56 |
Correct |
394 ms |
964 KB |
Output is correct |
57 |
Correct |
510 ms |
1464 KB |
Output is correct |
58 |
Correct |
515 ms |
980 KB |
Output is correct |
59 |
Correct |
515 ms |
1176 KB |
Output is correct |
60 |
Correct |
2 ms |
332 KB |
Output is correct |
61 |
Correct |
496 ms |
1208 KB |
Output is correct |
62 |
Correct |
423 ms |
1248 KB |
Output is correct |
63 |
Correct |
427 ms |
1276 KB |
Output is correct |
64 |
Correct |
408 ms |
1272 KB |
Output is correct |
65 |
Correct |
419 ms |
580 KB |
Output is correct |
66 |
Correct |
400 ms |
564 KB |
Output is correct |
67 |
Correct |
642 ms |
1196 KB |
Output is correct |
68 |
Correct |
2 ms |
332 KB |
Output is correct |
69 |
Incorrect |
977 ms |
740 KB |
Output isn't correct |
70 |
Halted |
0 ms |
0 KB |
- |