#include <bits/stdc++.h>
//#define _FORTIFY_SOURCE 0
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("no-stack-protector")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define ull unsigned long long
#define pii pair<ll, ll>
#define mp make_pair
#define ll long long
#define ld long double
#define pb push_back
#define deb(x) cout << #x << " = " << x << endl
#define all(x) x.begin(), x.end()
#define vi vector<ll>
const ll mod = (ll)1e9 + 7;
const ll inf = (ll)1e18;
const long double e = 2.718281828459;
const long double pi = atan2l(0, -1);
using namespace std;
template <class T>
istream& operator>>(istream &in, vector<T> &arr) {
for (T &cnt : arr) {
in >> cnt;
}
return in;
};
void solve() {
ll n, m;
cin >> n >> m;
vector<ll> a(n), b(m);
cin >> a >> b;
vector<bool> used((1 << m), false);
random_shuffle(all(b));
vector<ll> need = a;
function<bool(int, int)> sosatb = [&](int gay, int msk) {
used[msk] = true;
if (gay == n) {
return true;
}
for (int i = 0; i < m; i++) {
if ((msk & (1 << i)) or need[gay] < b[i] or used[(msk | (1 << i))]) {
continue;
}
need[gay] -= b[i];
bool ans;
if (need[gay] == 0) {
ans = sosatb(gay + 1, (msk | (1 << i)));
} else {
ans = sosatb(gay, (msk | (1 << i)));
}
need[gay] += b[i];
if (ans) {
return true;
}
}
return false;
};
if (sosatb(0, 0)) {
cout << "YES";
} else {
cout << "NO";
}
}
int main() {
#ifndef LOCAL
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
#else
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
cout.precision(30);
srand(time(0));
cout.setf(ios::fixed);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
512 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
512 KB |
Output is correct |
9 |
Correct |
85 ms |
536 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
3 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
424 KB |
Output is correct |
10 |
Correct |
2 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
512 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
512 KB |
Output is correct |
9 |
Correct |
85 ms |
536 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
3 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
424 KB |
Output is correct |
19 |
Correct |
2 ms |
512 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
3 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
3 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
3 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
512 KB |
Output is correct |
32 |
Correct |
2 ms |
452 KB |
Output is correct |
33 |
Correct |
3 ms |
512 KB |
Output is correct |
34 |
Correct |
3 ms |
512 KB |
Output is correct |
35 |
Correct |
2 ms |
512 KB |
Output is correct |
36 |
Correct |
3 ms |
512 KB |
Output is correct |
37 |
Correct |
2 ms |
512 KB |
Output is correct |
38 |
Correct |
2 ms |
512 KB |
Output is correct |
39 |
Correct |
2 ms |
512 KB |
Output is correct |
40 |
Correct |
2 ms |
512 KB |
Output is correct |
41 |
Correct |
2 ms |
512 KB |
Output is correct |
42 |
Correct |
59 ms |
512 KB |
Output is correct |
43 |
Correct |
4 ms |
512 KB |
Output is correct |
44 |
Correct |
2 ms |
512 KB |
Output is correct |
45 |
Correct |
2 ms |
512 KB |
Output is correct |
46 |
Correct |
12 ms |
552 KB |
Output is correct |
47 |
Correct |
2 ms |
512 KB |
Output is correct |
48 |
Correct |
2 ms |
512 KB |
Output is correct |
49 |
Correct |
2 ms |
512 KB |
Output is correct |
50 |
Correct |
100 ms |
512 KB |
Output is correct |
51 |
Correct |
3 ms |
512 KB |
Output is correct |
52 |
Correct |
4 ms |
512 KB |
Output is correct |
53 |
Correct |
9 ms |
512 KB |
Output is correct |
54 |
Correct |
25 ms |
536 KB |
Output is correct |
55 |
Correct |
41 ms |
512 KB |
Output is correct |
56 |
Correct |
72 ms |
512 KB |
Output is correct |
57 |
Correct |
101 ms |
512 KB |
Output is correct |
58 |
Correct |
23 ms |
512 KB |
Output is correct |