#include "bits/stdc++.h"
#define fast ios_base::sync_with_stdio(0) , cin.tie(0) , cout.tie(0)
#define endl '\n'
#define int long long
#define f first
#define mp make_pair
#define s second
using namespace std;
//string m;
signed main()
{
fast;
int n,m;
cin>>n>>m;
vector<int> a(n);
vector<int> b(m);
for(int i=0; i<n; i++)
{
cin>>a[i];
}
for(int i=0; i<m; i++)
{
cin>>b[i];
}
vector<int> leftover(1 << m, -1); //leftover amount after using banknotes in mask
vector<int> people_covered(1 << m, -1); //max prefix of peopel we can cover with banknotes in mask
leftover[0] = 0;
people_covered[0] = 0;
for(int mask=0; mask<(1<<m); mask++)
{
for(int i=0; i<m; i++)
{
if(!(mask & (1<<i))) continue;
int pmask=mask & ~(1<<i);
if (people_covered[pmask] == -1) { continue; }
if(leftover[pmask]+b[i] < a[people_covered[pmask]])
{
people_covered[mask]=people_covered[pmask];
leftover[mask]=leftover[pmask]+b[i];
}
else if(leftover[pmask]+b[i]==a[people_covered[pmask]])
{
people_covered[mask]=people_covered[pmask]+1;
leftover[mask]=0;
}
}
if(people_covered[mask]==n)
{
cout<<"YES"<<endl;
return 0;
}
}
cout<<"NO"<<endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
860 KB |
Output is correct |
| 5 |
Correct |
83 ms |
16864 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
4 ms |
16892 KB |
Output is correct |
| 9 |
Correct |
85 ms |
16860 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
600 KB |
Output is correct |
| 2 |
Correct |
2 ms |
856 KB |
Output is correct |
| 3 |
Correct |
2 ms |
604 KB |
Output is correct |
| 4 |
Correct |
1 ms |
604 KB |
Output is correct |
| 5 |
Correct |
1 ms |
604 KB |
Output is correct |
| 6 |
Correct |
1 ms |
604 KB |
Output is correct |
| 7 |
Correct |
2 ms |
704 KB |
Output is correct |
| 8 |
Correct |
1 ms |
604 KB |
Output is correct |
| 9 |
Correct |
1 ms |
604 KB |
Output is correct |
| 10 |
Correct |
1 ms |
604 KB |
Output is correct |
| 11 |
Correct |
1 ms |
604 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
860 KB |
Output is correct |
| 5 |
Correct |
83 ms |
16864 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
4 ms |
16892 KB |
Output is correct |
| 9 |
Correct |
85 ms |
16860 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
460 KB |
Output is correct |
| 19 |
Correct |
1 ms |
344 KB |
Output is correct |
| 20 |
Correct |
2 ms |
600 KB |
Output is correct |
| 21 |
Correct |
2 ms |
856 KB |
Output is correct |
| 22 |
Correct |
2 ms |
604 KB |
Output is correct |
| 23 |
Correct |
1 ms |
604 KB |
Output is correct |
| 24 |
Correct |
1 ms |
604 KB |
Output is correct |
| 25 |
Correct |
1 ms |
604 KB |
Output is correct |
| 26 |
Correct |
2 ms |
704 KB |
Output is correct |
| 27 |
Correct |
1 ms |
604 KB |
Output is correct |
| 28 |
Correct |
1 ms |
604 KB |
Output is correct |
| 29 |
Correct |
1 ms |
604 KB |
Output is correct |
| 30 |
Correct |
1 ms |
604 KB |
Output is correct |
| 31 |
Correct |
99 ms |
16872 KB |
Output is correct |
| 32 |
Correct |
99 ms |
16728 KB |
Output is correct |
| 33 |
Correct |
86 ms |
16732 KB |
Output is correct |
| 34 |
Correct |
75 ms |
16872 KB |
Output is correct |
| 35 |
Correct |
78 ms |
16728 KB |
Output is correct |
| 36 |
Correct |
80 ms |
16884 KB |
Output is correct |
| 37 |
Correct |
76 ms |
16732 KB |
Output is correct |
| 38 |
Correct |
81 ms |
16868 KB |
Output is correct |
| 39 |
Correct |
4 ms |
16728 KB |
Output is correct |
| 40 |
Correct |
78 ms |
16732 KB |
Output is correct |
| 41 |
Correct |
78 ms |
16732 KB |
Output is correct |
| 42 |
Correct |
112 ms |
16868 KB |
Output is correct |
| 43 |
Correct |
76 ms |
16984 KB |
Output is correct |
| 44 |
Correct |
78 ms |
16872 KB |
Output is correct |
| 45 |
Correct |
4 ms |
16728 KB |
Output is correct |
| 46 |
Correct |
92 ms |
16732 KB |
Output is correct |
| 47 |
Correct |
77 ms |
16728 KB |
Output is correct |
| 48 |
Correct |
4 ms |
16728 KB |
Output is correct |
| 49 |
Correct |
74 ms |
16864 KB |
Output is correct |
| 50 |
Correct |
89 ms |
16728 KB |
Output is correct |
| 51 |
Correct |
77 ms |
16732 KB |
Output is correct |
| 52 |
Correct |
76 ms |
16732 KB |
Output is correct |
| 53 |
Correct |
99 ms |
16732 KB |
Output is correct |
| 54 |
Correct |
105 ms |
16868 KB |
Output is correct |
| 55 |
Correct |
87 ms |
16728 KB |
Output is correct |
| 56 |
Correct |
89 ms |
16732 KB |
Output is correct |
| 57 |
Correct |
85 ms |
16728 KB |
Output is correct |
| 58 |
Correct |
85 ms |
16888 KB |
Output is correct |
