#include <bits/stdc++.h>
using namespace std;
signed main() {
ios_base::sync_with_stdio(false); cin.tie(nullptr);
int n, m; cin >> n >> m;
int a[n+1], b[m];
a[0] = 0;
for(int i=1; i<=n; ++i){
cin >> a[i]; a[i] += a[i-1];
}
for(int& i : b) cin >> i;
int lim = (1<<m);
int dp[lim]; // dp[i] -> max index(a) to which it's possible to distribute notes in mask
for(int& i : dp) i = 0;
int ok = 0;
for(int i=0; i<lim; ++i){
int sum = 0;
for(int j=0; j<m; ++j){
if(i&(1<<j)) sum += b[j];
}
for(int j=0; j<m; ++j){
if(i&(1<<j)){
if(a[dp[i-(1<<j)]+1]==sum){
dp[i] = max(dp[i], dp[i-(1<<j)]+1);
}
dp[i] = max(dp[i], dp[i-(1<<j)]);
}
}
ok |= dp[i]==n;
}
cout << (ok ? "YES\n" : "NO\n");
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
4 ms |
492 KB |
Output is correct |
| 5 |
Correct |
141 ms |
4588 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
144 ms |
4588 KB |
Output is correct |
| 9 |
Correct |
145 ms |
4492 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
364 KB |
Output is correct |
| 2 |
Correct |
2 ms |
364 KB |
Output is correct |
| 3 |
Correct |
2 ms |
364 KB |
Output is correct |
| 4 |
Correct |
2 ms |
364 KB |
Output is correct |
| 5 |
Correct |
2 ms |
364 KB |
Output is correct |
| 6 |
Correct |
3 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
364 KB |
Output is correct |
| 8 |
Correct |
3 ms |
364 KB |
Output is correct |
| 9 |
Correct |
2 ms |
364 KB |
Output is correct |
| 10 |
Correct |
2 ms |
364 KB |
Output is correct |
| 11 |
Correct |
3 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
4 ms |
492 KB |
Output is correct |
| 5 |
Correct |
141 ms |
4588 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
144 ms |
4588 KB |
Output is correct |
| 9 |
Correct |
145 ms |
4492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
1 ms |
364 KB |
Output is correct |
| 20 |
Correct |
2 ms |
364 KB |
Output is correct |
| 21 |
Correct |
2 ms |
364 KB |
Output is correct |
| 22 |
Correct |
2 ms |
364 KB |
Output is correct |
| 23 |
Correct |
2 ms |
364 KB |
Output is correct |
| 24 |
Correct |
2 ms |
364 KB |
Output is correct |
| 25 |
Correct |
3 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
364 KB |
Output is correct |
| 27 |
Correct |
3 ms |
364 KB |
Output is correct |
| 28 |
Correct |
2 ms |
364 KB |
Output is correct |
| 29 |
Correct |
2 ms |
364 KB |
Output is correct |
| 30 |
Correct |
3 ms |
364 KB |
Output is correct |
| 31 |
Correct |
142 ms |
4460 KB |
Output is correct |
| 32 |
Correct |
151 ms |
4460 KB |
Output is correct |
| 33 |
Correct |
142 ms |
4460 KB |
Output is correct |
| 34 |
Correct |
146 ms |
4492 KB |
Output is correct |
| 35 |
Correct |
141 ms |
4460 KB |
Output is correct |
| 36 |
Correct |
149 ms |
4460 KB |
Output is correct |
| 37 |
Correct |
143 ms |
4460 KB |
Output is correct |
| 38 |
Correct |
143 ms |
4460 KB |
Output is correct |
| 39 |
Correct |
161 ms |
4460 KB |
Output is correct |
| 40 |
Correct |
148 ms |
4460 KB |
Output is correct |
| 41 |
Correct |
144 ms |
4588 KB |
Output is correct |
| 42 |
Correct |
144 ms |
4460 KB |
Output is correct |
| 43 |
Correct |
143 ms |
4592 KB |
Output is correct |
| 44 |
Correct |
141 ms |
4588 KB |
Output is correct |
| 45 |
Correct |
143 ms |
4460 KB |
Output is correct |
| 46 |
Correct |
141 ms |
4460 KB |
Output is correct |
| 47 |
Correct |
141 ms |
4460 KB |
Output is correct |
| 48 |
Correct |
145 ms |
4460 KB |
Output is correct |
| 49 |
Correct |
142 ms |
4588 KB |
Output is correct |
| 50 |
Correct |
159 ms |
4460 KB |
Output is correct |
| 51 |
Correct |
144 ms |
4492 KB |
Output is correct |
| 52 |
Correct |
145 ms |
4608 KB |
Output is correct |
| 53 |
Correct |
160 ms |
4460 KB |
Output is correct |
| 54 |
Correct |
169 ms |
4460 KB |
Output is correct |
| 55 |
Correct |
159 ms |
4588 KB |
Output is correct |
| 56 |
Correct |
165 ms |
4460 KB |
Output is correct |
| 57 |
Correct |
191 ms |
4460 KB |
Output is correct |
| 58 |
Correct |
161 ms |
4460 KB |
Output is correct |
