#include "bits/stdc++.h"
using namespace std;
using i64 = long long;
using u64 = unsigned long long;
using i32 = int;
using u32 = unsigned;
using i16 = short;
using u16 = unsigned short;
using ld = long double;
using ii = pair<int, int>;
int s[1 << 20];
array<bool, (1 << 20)> dp[2];
void solve() {
int n, m;
cin >> n >> m;
vector<int> a(n + 1, 0), b(m);
for(int i = 1; i <= n; ++i) {
cin >> a[i];
a[i] += a[i - 1];
}
for(int& v : b) cin >> v;
for(int i = 1; i < (1 << m); ++i) {
s[i] = s[i ^ (i & -i)] + b[__builtin_ctz(i)];
dp[0][i] = s[i] == a[n];
}
for(int i = 1; i <= n; ++i) {
for(int j = 0; j < (1 << m); ++j) dp[1][j] = false;
for(int j = (1 << m) - 1; j >= 0; --j) {
bool flag = dp[0][j] || dp[1][j];
for(int S = j; S; S -= S & -S) dp[1][j ^ (S & -S)] = dp[1][j ^ (S & -S)] || flag;
dp[1][j] = dp[1][j] && s[j] == a[n] - a[i];
}
swap(dp[0], dp[1]);
}
cout << (dp[0][0] ? "YES\n" : "NO\n");
}
int main() {
ios_base :: sync_with_stdio(false);
cin.tie(0);
int t = 1;
//cin >> t;
while(t--) solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
2352 KB |
Output is correct |
| 2 |
Correct |
3 ms |
2236 KB |
Output is correct |
| 3 |
Correct |
3 ms |
2244 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2476 KB |
Output is correct |
| 5 |
Correct |
24 ms |
6460 KB |
Output is correct |
| 6 |
Correct |
3 ms |
2364 KB |
Output is correct |
| 7 |
Correct |
3 ms |
2348 KB |
Output is correct |
| 8 |
Correct |
23 ms |
6328 KB |
Output is correct |
| 9 |
Correct |
23 ms |
6448 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
2368 KB |
Output is correct |
| 2 |
Correct |
6 ms |
2352 KB |
Output is correct |
| 3 |
Correct |
5 ms |
2244 KB |
Output is correct |
| 4 |
Correct |
7 ms |
2252 KB |
Output is correct |
| 5 |
Correct |
12 ms |
2228 KB |
Output is correct |
| 6 |
Correct |
9 ms |
2352 KB |
Output is correct |
| 7 |
Correct |
6 ms |
2252 KB |
Output is correct |
| 8 |
Correct |
8 ms |
2348 KB |
Output is correct |
| 9 |
Correct |
6 ms |
2368 KB |
Output is correct |
| 10 |
Correct |
9 ms |
2380 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
2348 KB |
Output is correct |
| 2 |
Correct |
7 ms |
2364 KB |
Output is correct |
| 3 |
Correct |
19 ms |
2348 KB |
Output is correct |
| 4 |
Correct |
27 ms |
2360 KB |
Output is correct |
| 5 |
Correct |
19 ms |
2412 KB |
Output is correct |
| 6 |
Correct |
10 ms |
2388 KB |
Output is correct |
| 7 |
Correct |
10 ms |
2352 KB |
Output is correct |
| 8 |
Correct |
7 ms |
2356 KB |
Output is correct |
| 9 |
Correct |
15 ms |
2372 KB |
Output is correct |
| 10 |
Correct |
15 ms |
2440 KB |
Output is correct |
| 11 |
Correct |
24 ms |
2416 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
2352 KB |
Output is correct |
| 2 |
Correct |
3 ms |
2236 KB |
Output is correct |
| 3 |
Correct |
3 ms |
2244 KB |
Output is correct |
| 4 |
Correct |
3 ms |
2476 KB |
Output is correct |
| 5 |
Correct |
24 ms |
6460 KB |
Output is correct |
| 6 |
Correct |
3 ms |
2364 KB |
Output is correct |
| 7 |
Correct |
3 ms |
2348 KB |
Output is correct |
| 8 |
Correct |
23 ms |
6328 KB |
Output is correct |
| 9 |
Correct |
23 ms |
6448 KB |
Output is correct |
| 10 |
Correct |
8 ms |
2368 KB |
Output is correct |
| 11 |
Correct |
6 ms |
2352 KB |
Output is correct |
| 12 |
Correct |
5 ms |
2244 KB |
Output is correct |
| 13 |
Correct |
7 ms |
2252 KB |
Output is correct |
| 14 |
Correct |
12 ms |
2228 KB |
Output is correct |
| 15 |
Correct |
9 ms |
2352 KB |
Output is correct |
| 16 |
Correct |
6 ms |
2252 KB |
Output is correct |
| 17 |
Correct |
8 ms |
2348 KB |
Output is correct |
| 18 |
Correct |
6 ms |
2368 KB |
Output is correct |
| 19 |
Correct |
9 ms |
2380 KB |
Output is correct |
| 20 |
Correct |
12 ms |
2348 KB |
Output is correct |
| 21 |
Correct |
7 ms |
2364 KB |
Output is correct |
| 22 |
Correct |
19 ms |
2348 KB |
Output is correct |
| 23 |
Correct |
27 ms |
2360 KB |
Output is correct |
| 24 |
Correct |
19 ms |
2412 KB |
Output is correct |
| 25 |
Correct |
10 ms |
2388 KB |
Output is correct |
| 26 |
Correct |
10 ms |
2352 KB |
Output is correct |
| 27 |
Correct |
7 ms |
2356 KB |
Output is correct |
| 28 |
Correct |
15 ms |
2372 KB |
Output is correct |
| 29 |
Correct |
15 ms |
2440 KB |
Output is correct |
| 30 |
Correct |
24 ms |
2416 KB |
Output is correct |
| 31 |
Correct |
41 ms |
6460 KB |
Output is correct |
| 32 |
Correct |
62 ms |
6444 KB |
Output is correct |
| 33 |
Correct |
180 ms |
6452 KB |
Output is correct |
| 34 |
Correct |
183 ms |
6448 KB |
Output is correct |
| 35 |
Correct |
201 ms |
6448 KB |
Output is correct |
| 36 |
Correct |
429 ms |
6448 KB |
Output is correct |
| 37 |
Correct |
41 ms |
6324 KB |
Output is correct |
| 38 |
Correct |
78 ms |
6464 KB |
Output is correct |
| 39 |
Correct |
154 ms |
6348 KB |
Output is correct |
| 40 |
Correct |
203 ms |
6448 KB |
Output is correct |
| 41 |
Correct |
376 ms |
6444 KB |
Output is correct |
| 42 |
Correct |
96 ms |
6444 KB |
Output is correct |
| 43 |
Correct |
146 ms |
6328 KB |
Output is correct |
| 44 |
Correct |
280 ms |
6332 KB |
Output is correct |
| 45 |
Correct |
67 ms |
6440 KB |
Output is correct |
| 46 |
Correct |
120 ms |
6332 KB |
Output is correct |
| 47 |
Correct |
280 ms |
6440 KB |
Output is correct |
| 48 |
Correct |
22 ms |
6452 KB |
Output is correct |
| 49 |
Correct |
23 ms |
6440 KB |
Output is correct |
| 50 |
Correct |
393 ms |
6456 KB |
Output is correct |
| 51 |
Correct |
187 ms |
6340 KB |
Output is correct |
| 52 |
Correct |
198 ms |
6448 KB |
Output is correct |
| 53 |
Correct |
185 ms |
6452 KB |
Output is correct |
| 54 |
Correct |
378 ms |
6572 KB |
Output is correct |
| 55 |
Correct |
365 ms |
6476 KB |
Output is correct |
| 56 |
Correct |
367 ms |
6568 KB |
Output is correct |
| 57 |
Correct |
372 ms |
6324 KB |
Output is correct |
| 58 |
Correct |
349 ms |
6448 KB |
Output is correct |
