제출 #661109

#제출 시각아이디문제언어결과실행 시간메모리
661109hafo은행 (IZhO14_bank)C++17
71 / 100
1097 ms164576 KiB
#include <bits/stdc++.h> #define ll long long #define ull unsigned ll #define pb push_back #define pa pair<int, int> #define pall pair<ll, int> #define fi first #define se second #define TASK "test" #define all(x) x.begin(), x.end() using namespace std; template<typename T1, typename T2> bool mini (T1 &a, T2 b) {if(a > b) a = b; else return 0; return 1;} template<typename T1, typename T2> bool maxi (T1 &a, T2 b) {if(a < b) a = b; else return 0; return 1;} const int MOD = 1e9 + 7; const int LOG = 20; const int maxn = 20; const ll oo = 1e15 + 69; int n, m, a[maxn], b[maxn]; pa dp[1 << maxn][maxn]; bool getbit(const int mask, int i) { return ((mask >> i) & 1); } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); //freopen(TASK".inp", "r", stdin); //freopen(TASK".out", "w", stdout); cin>>n>>m; for(int i = 0; i < n; i++) cin>>a[i]; for(int i = 0; i < m; i++) cin>>b[i]; for(int i = 0; i < n; i++) for(int mask = 0; mask < (1 << m); mask++) dp[mask][i] = make_pair(-1, 0); dp[(1 << m) - 1][0] = {0, 0}; for(int i = 0; i < n; i++) for(int mask = (1 << m) - 1; mask; mask--) if(dp[mask][i].fi == i) for(int x = mask; x; x -= x&-x) { int j = __builtin_ctz(x), s = dp[mask][i].se + b[j], add = (s == a[i]); dp[mask ^ (1 << j)][i + add] = {dp[mask][i].fi + add, (add == 0 ? s:0)}; } bool ok = 0; for(int mask = 0; mask < (1 << m); mask++) if(dp[mask][n].fi == n) { ok = 1; break; } cout<<(ok ? "YES":"NO"); return 0; }
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