// solved by bitmask
# include <iostream>
# include <vector>
using namespace std;
const int N = (1 << 21);
int n, m, a[30], b[30], s[N],cnt[N];
vector < int > vc[30];
int main()
{
ios_base::sync_with_stdio(false);
cin >> n >> m;
for (int i = 1; i <= n; i++){
cin >> a[i];
a[i] += a[i - 1];
}
for (int i = 0; i < m; i++)
cin >> b[i];
for (int j = 0; j < (1 << m); j++)
vc[__builtin_popcount(j)].push_back(j);
for (int i = 0; i < m; i++){
for(auto mask: vc[i]){
for (int k = 0; k < m; k++){
if((mask & (1 << k)))continue;
int msk = mask | (1 << k);
s[msk] = s[mask] + b[k];
if(a[cnt[mask] + 1] == s[mask] + b[k])
cnt[msk] = max(cnt[msk], cnt[mask] + 1);
else
cnt[msk] = max(cnt[msk], cnt[mask]);
if(cnt[msk] == n){
cout << "YES";
exit(0);
}
}
}
}
cout << "NO";
return 0;
}
/*
1 5
8
4 2 5 1 3
2 6
9 10
5 4 8 6 3 11
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
636 KB |
Output is correct |
5 |
Correct |
132 ms |
13492 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
22 ms |
12104 KB |
Output is correct |
9 |
Correct |
132 ms |
13452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
504 KB |
Output is correct |
2 |
Correct |
3 ms |
504 KB |
Output is correct |
3 |
Correct |
3 ms |
504 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
636 KB |
Output is correct |
6 |
Correct |
3 ms |
632 KB |
Output is correct |
7 |
Correct |
3 ms |
504 KB |
Output is correct |
8 |
Correct |
3 ms |
632 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
3 ms |
504 KB |
Output is correct |
11 |
Correct |
3 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
636 KB |
Output is correct |
5 |
Correct |
132 ms |
13492 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
22 ms |
12104 KB |
Output is correct |
9 |
Correct |
132 ms |
13452 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
3 ms |
504 KB |
Output is correct |
21 |
Correct |
3 ms |
504 KB |
Output is correct |
22 |
Correct |
3 ms |
504 KB |
Output is correct |
23 |
Correct |
3 ms |
504 KB |
Output is correct |
24 |
Correct |
3 ms |
636 KB |
Output is correct |
25 |
Correct |
3 ms |
632 KB |
Output is correct |
26 |
Correct |
3 ms |
504 KB |
Output is correct |
27 |
Correct |
3 ms |
632 KB |
Output is correct |
28 |
Correct |
3 ms |
504 KB |
Output is correct |
29 |
Correct |
3 ms |
504 KB |
Output is correct |
30 |
Correct |
3 ms |
504 KB |
Output is correct |
31 |
Correct |
134 ms |
13484 KB |
Output is correct |
32 |
Correct |
138 ms |
13444 KB |
Output is correct |
33 |
Correct |
133 ms |
13512 KB |
Output is correct |
34 |
Correct |
132 ms |
13452 KB |
Output is correct |
35 |
Correct |
126 ms |
13440 KB |
Output is correct |
36 |
Correct |
130 ms |
13492 KB |
Output is correct |
37 |
Correct |
132 ms |
13412 KB |
Output is correct |
38 |
Correct |
133 ms |
13528 KB |
Output is correct |
39 |
Correct |
29 ms |
13004 KB |
Output is correct |
40 |
Correct |
133 ms |
13432 KB |
Output is correct |
41 |
Correct |
134 ms |
13464 KB |
Output is correct |
42 |
Correct |
133 ms |
13544 KB |
Output is correct |
43 |
Correct |
134 ms |
13504 KB |
Output is correct |
44 |
Correct |
134 ms |
13492 KB |
Output is correct |
45 |
Correct |
24 ms |
12036 KB |
Output is correct |
46 |
Correct |
130 ms |
13548 KB |
Output is correct |
47 |
Correct |
131 ms |
13472 KB |
Output is correct |
48 |
Correct |
16 ms |
8400 KB |
Output is correct |
49 |
Correct |
134 ms |
13492 KB |
Output is correct |
50 |
Correct |
134 ms |
13524 KB |
Output is correct |
51 |
Correct |
127 ms |
13492 KB |
Output is correct |
52 |
Correct |
131 ms |
13464 KB |
Output is correct |
53 |
Correct |
138 ms |
13532 KB |
Output is correct |
54 |
Correct |
143 ms |
13492 KB |
Output is correct |
55 |
Correct |
145 ms |
13532 KB |
Output is correct |
56 |
Correct |
136 ms |
13492 KB |
Output is correct |
57 |
Correct |
135 ms |
13456 KB |
Output is correct |
58 |
Correct |
146 ms |
13492 KB |
Output is correct |