#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned int uint;
int n, m, a[20], b[20];
pair<int, int> dp[1 << 20];
// dp[mask] = {number of people paid with these notes, auxiliary coins left over}.
int main()
{
cin.tie(0)->sync_with_stdio(0);
cin >> n >> m;
for (int i = 0; i < n; i++)
cin >> a[i];
for (int i = 0; i < m; i++)
cin >> b[i];
dp[0] = {0, 0};
for (uint mask = 1; mask < (1 << m); mask++)
{
dp[mask] = {0, 0};
for (int i = 0; i < m; i++)
if (mask & (1 << i))
dp[mask].second += b[i];
for (int i = 0; i < m; i++)
if (mask & (1 << i))
{
auto [num, aux] = dp[mask ^ (1 << i)];
dp[mask] = max(dp[mask], make_pair(num + (aux + b[i] == a[num]), (aux + b[i]) * (aux + b[i] != a[num])));
}
if (dp[mask].first == n)
return cout << "YES\n", 0;
}
cout << "NO\n";
return 0;
}
Compilation message
bank.cpp: In function 'int main()':
bank.cpp:21:30: warning: comparison of integer expressions of different signedness: 'uint' {aka 'unsigned int'} and 'int' [-Wsign-compare]
21 | for (uint mask = 1; mask < (1 << m); mask++)
| ~~~~~^~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
134 ms |
8544 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
324 KB |
Output is correct |
| 9 |
Correct |
130 ms |
8504 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
324 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
324 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
324 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
340 KB |
Output is correct |
| 2 |
Correct |
3 ms |
340 KB |
Output is correct |
| 3 |
Correct |
2 ms |
340 KB |
Output is correct |
| 4 |
Correct |
2 ms |
340 KB |
Output is correct |
| 5 |
Correct |
3 ms |
340 KB |
Output is correct |
| 6 |
Correct |
2 ms |
340 KB |
Output is correct |
| 7 |
Correct |
2 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
2 ms |
340 KB |
Output is correct |
| 10 |
Correct |
3 ms |
424 KB |
Output is correct |
| 11 |
Correct |
3 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
134 ms |
8544 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
324 KB |
Output is correct |
| 9 |
Correct |
130 ms |
8504 KB |
Output is correct |
| 10 |
Correct |
1 ms |
324 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
324 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
324 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
2 ms |
340 KB |
Output is correct |
| 21 |
Correct |
3 ms |
340 KB |
Output is correct |
| 22 |
Correct |
2 ms |
340 KB |
Output is correct |
| 23 |
Correct |
2 ms |
340 KB |
Output is correct |
| 24 |
Correct |
3 ms |
340 KB |
Output is correct |
| 25 |
Correct |
2 ms |
340 KB |
Output is correct |
| 26 |
Correct |
2 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
2 ms |
340 KB |
Output is correct |
| 29 |
Correct |
3 ms |
424 KB |
Output is correct |
| 30 |
Correct |
3 ms |
340 KB |
Output is correct |
| 31 |
Correct |
171 ms |
8472 KB |
Output is correct |
| 32 |
Correct |
151 ms |
8396 KB |
Output is correct |
| 33 |
Correct |
158 ms |
8436 KB |
Output is correct |
| 34 |
Correct |
140 ms |
8488 KB |
Output is correct |
| 35 |
Correct |
147 ms |
8396 KB |
Output is correct |
| 36 |
Correct |
142 ms |
8392 KB |
Output is correct |
| 37 |
Correct |
143 ms |
8412 KB |
Output is correct |
| 38 |
Correct |
141 ms |
8396 KB |
Output is correct |
| 39 |
Correct |
1 ms |
328 KB |
Output is correct |
| 40 |
Correct |
138 ms |
8468 KB |
Output is correct |
| 41 |
Correct |
131 ms |
8396 KB |
Output is correct |
| 42 |
Correct |
167 ms |
8396 KB |
Output is correct |
| 43 |
Correct |
144 ms |
8480 KB |
Output is correct |
| 44 |
Correct |
134 ms |
8496 KB |
Output is correct |
| 45 |
Correct |
1 ms |
340 KB |
Output is correct |
| 46 |
Correct |
179 ms |
8520 KB |
Output is correct |
| 47 |
Correct |
156 ms |
8428 KB |
Output is correct |
| 48 |
Correct |
1 ms |
212 KB |
Output is correct |
| 49 |
Correct |
136 ms |
8420 KB |
Output is correct |
| 50 |
Correct |
138 ms |
8400 KB |
Output is correct |
| 51 |
Correct |
138 ms |
8396 KB |
Output is correct |
| 52 |
Correct |
137 ms |
8424 KB |
Output is correct |
| 53 |
Correct |
146 ms |
8436 KB |
Output is correct |
| 54 |
Correct |
137 ms |
8396 KB |
Output is correct |
| 55 |
Correct |
134 ms |
8476 KB |
Output is correct |
| 56 |
Correct |
161 ms |
8452 KB |
Output is correct |
| 57 |
Correct |
137 ms |
8508 KB |
Output is correct |
| 58 |
Correct |
133 ms |
8396 KB |
Output is correct |
