oj.uz

Submission #765648

# Submission time Handle Problem Language Result Execution time Memory
765648 2023-06-25T01:01:27 Z HD1 Bank (IZhO14_bank) C++14
71 / 100
 215 ms 173060 KB 
//we are all lost trying to be someone.
#include <bits/stdc++.h>
#define fastio ios_base::sync_with_stdio(0); cin.tie(0);
#define sz(x) ll(x.size())
#define reve(x) reverse(x.begin(),x.end())
#define ff first
#define ss second
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> ii;
const ll MAX=1e5+10;
const ll mod=1e9+7;
const ll inf=1e18+7;
vector<ll>s;
ll A[1010],B[1010];
map<ll,vector<ll>> masks;
map<ll,vector<ll>> c;
ll dp[21][(1<<20)+1000];
ll n, m;
void prin(ll x){
    for(ll i=m-1; i>=0; i--){
        cout<<((x>>i)&1);
    }
    cout<<endl;
    return;
}
bool DP(ll i, ll mask){
    if(mask==0 and i>=0)return 0;
    if(i<0)return 1;
    if(dp[i][mask]!=-1)return dp[i][mask];
    dp[i][mask]=0;
    for(ll x: masks[s[i]]){
        if((mask&x)==x){
            if(i==0)dp[i][mask]=1;
            dp[i][mask]=dp[i][mask] or DP(i-1,mask^x);
        }
    }
    return dp[i][mask];
}
void solve(){
    cin>>n>>m;
    memset(dp, -1, sizeof dp);
    for(ll i=0; i<n; i++){
        ll a;
        cin>>a;
        s.push_back(a);
    }
    for(ll i=0; i<m; i++){
        cin>>B[i];
    }
    sort(s.begin(),s.end());
    for(ll i=0; i<n; i++){
        c[s[i]].push_back(i);
    }
    for(ll mask=0; mask<(1<<m); mask++){
        ll sum=0;
        for(ll j=0; j<m; j++){
            if((mask>>j)&1){
                sum+=B[j];
            }
        }
        ll pos=lower_bound(s.begin(),s.end(),sum)-s.begin();
        if(pos<n and s[pos]==sum){
            masks[s[pos]].push_back(mask);
            for(ll it : c[s[pos]]) dp[it][mask]=1;
        }
    }
    if(DP(n-1,(1<<m)-1)==1){
        cout<<"YES"<<'\n';
    }
    else cout<<"NO"<<'\n';

}
int main(){
    fastio;
    solve();
    return 0;
}

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 172812 KB Output is correct
2 Correct 57 ms 172800 KB Output is correct
3 Correct 62 ms 172868 KB Output is correct
4 Correct 72 ms 172808 KB Output is correct
5 Correct 129 ms 172792 KB Output is correct
6 Correct 58 ms 172828 KB Output is correct
7 Correct 57 ms 172764 KB Output is correct
8 Correct 124 ms 172956 KB Output is correct
9 Correct 136 ms 172876 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 172728 KB Output is correct
2 Correct 58 ms 172748 KB Output is correct
3 Correct 59 ms 172736 KB Output is correct
4 Correct 59 ms 172764 KB Output is correct
5 Correct 58 ms 172732 KB Output is correct
6 Correct 59 ms 172732 KB Output is correct
7 Correct 66 ms 172732 KB Output is correct
8 Correct 60 ms 172832 KB Output is correct
9 Correct 59 ms 172812 KB Output is correct
10 Correct 61 ms 172780 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 172792 KB Output is correct
2 Correct 70 ms 172840 KB Output is correct
3 Correct 60 ms 172748 KB Output is correct
4 Correct 60 ms 172716 KB Output is correct
5 Correct 62 ms 172844 KB Output is correct
6 Correct 61 ms 172732 KB Output is correct
7 Correct 60 ms 172816 KB Output is correct
8 Correct 60 ms 172748 KB Output is correct
9 Correct 59 ms 172772 KB Output is correct
10 Correct 60 ms 172836 KB Output is correct
11 Correct 60 ms 172812 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 172812 KB Output is correct
2 Correct 57 ms 172800 KB Output is correct
3 Correct 62 ms 172868 KB Output is correct
4 Correct 72 ms 172808 KB Output is correct
5 Correct 129 ms 172792 KB Output is correct
6 Correct 58 ms 172828 KB Output is correct
7 Correct 57 ms 172764 KB Output is correct
8 Correct 124 ms 172956 KB Output is correct
9 Correct 136 ms 172876 KB Output is correct
10 Correct 60 ms 172728 KB Output is correct
11 Correct 58 ms 172748 KB Output is correct
12 Correct 59 ms 172736 KB Output is correct
13 Correct 59 ms 172764 KB Output is correct
14 Correct 58 ms 172732 KB Output is correct
15 Correct 59 ms 172732 KB Output is correct
16 Correct 66 ms 172732 KB Output is correct
17 Correct 60 ms 172832 KB Output is correct
18 Correct 59 ms 172812 KB Output is correct
19 Correct 61 ms 172780 KB Output is correct
20 Correct 70 ms 172792 KB Output is correct
21 Correct 70 ms 172840 KB Output is correct
22 Correct 60 ms 172748 KB Output is correct
23 Correct 60 ms 172716 KB Output is correct
24 Correct 62 ms 172844 KB Output is correct
25 Correct 61 ms 172732 KB Output is correct
26 Correct 60 ms 172816 KB Output is correct
27 Correct 60 ms 172748 KB Output is correct
28 Correct 59 ms 172772 KB Output is correct
29 Correct 60 ms 172836 KB Output is correct
30 Correct 60 ms 172812 KB Output is correct
31 Correct 139 ms 172860 KB Output is correct
32 Correct 128 ms 173060 KB Output is correct
33 Correct 137 ms 172964 KB Output is correct
34 Correct 141 ms 172844 KB Output is correct
35 Correct 132 ms 172728 KB Output is correct
36 Correct 136 ms 172840 KB Output is correct
37 Correct 136 ms 172840 KB Output is correct
38 Correct 134 ms 172844 KB Output is correct
39 Correct 132 ms 172836 KB Output is correct
40 Correct 132 ms 172836 KB Output is correct
41 Correct 133 ms 172788 KB Output is correct
42 Correct 137 ms 172912 KB Output is correct
43 Correct 154 ms 172840 KB Output is correct
44 Correct 133 ms 172836 KB Output is correct
45 Correct 133 ms 172860 KB Output is correct
46 Correct 137 ms 172980 KB Output is correct
47 Correct 143 ms 172828 KB Output is correct
48 Correct 127 ms 172900 KB Output is correct
49 Correct 130 ms 172844 KB Output is correct
50 Correct 134 ms 172832 KB Output is correct
51 Correct 165 ms 172976 KB Output is correct
52 Correct 215 ms 172796 KB Output is correct
53 Correct 133 ms 172748 KB Output is correct
54 Correct 137 ms 172932 KB Output is correct
55 Correct 133 ms 172736 KB Output is correct
56 Correct 137 ms 172744 KB Output is correct
57 Incorrect 136 ms 172836 KB Output isn't correct
58 Halted 0 ms 0 KB -