oj.uz

Submission #724778

# Submission time Handle Problem Language Result Execution time Memory
724778 2023-04-16T00:14:31 Z vjudge1 Bank (IZhO14_bank) C++17
100 / 100
 332 ms 90344 KB 
#include<bits/stdc++.h>
#define INF 1e9+7
#define ll long long
#define ull unsigned ll
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pcc pair<char,char>
#define pdd pair<double,double>
#define pipii pair<int,pii>
#define plpll pair<ll,pll>
#define vi vector<int>
#define vvi vector<vi>
#define v3i vector<vvi>
#define v4i vector<v3i>
#define fi first
#define se second
#define mp make_pair
#define eb emplace_back
#define ins insert
#define ln '\n'
#define all(v) v.begin(),v.end()
using namespace std;

const int up=(1<<20);
int n,m;
vvi total_sum(20001);
int a[20],b[20];
int dp[up][20];

bool solution(int mask,int u){
    if(u==n){
        return true;
    }
    if(dp[mask][u]!=-1) return dp[mask][u];
    for(auto to:total_sum[a[u]]){
        //cout<<mask<<" "<<to<<ln;
        int k=mask&to;
        if(k==to){
            if(solution(mask^to,u+1)){
                return dp[mask][u]=true;
            }
        }
    }
    return dp[mask][u]=false;
}

void solve(){
    //ifstream cin("bank.in");
    //ofstream cout("bank.out");
    memset(dp,-1,sizeof(dp));
    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 mask=1;mask<(1<<m);++mask){
        int sum=0;
        for(int j=0;j<m;++j){
            if(mask&(1<<j)){
                sum+=b[j];
            }
        }
        //cout<<sum<<" "<<mask<<ln;
        total_sum[sum].eb(mask);
    }
    bool res=solution((1<<m)-1,0)<<ln;
    //cout<<res<<ln;
    if(res){
        cout<<"YES"<<ln;
    }
    else{
        cout<<"NO"<<ln;
    }
    //cin.close();
    //cout.close();
}

int main ()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int t=1;
    //cin>>t;
    for(int i=1;i<=t;i++){
        solve();
    }
}
/*
10 10
0 1 10 100
1 1 5 3
1 7 9 8
0 1 10 9
2 1 2 3
2 9 4
0 1 10 100
1 1 10 2
0 1 10 1000
2 1 5 2
0 1 6
1



0
ll
10
1 2
2 4
4 8
4 9
2 5
1 3
3 6
6 10
3 7
*/

Compilation message

bank.cpp: In function 'bool solution(int, int)':
bank.cpp:40:35: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   40 |                 return dp[mask][u]=true;
      |                        ~~~~~~~~~~~^~~~~
bank.cpp:44:23: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   44 |     return dp[mask][u]=false;
      |            ~~~~~~~~~~~^~~~~~
bank.cpp: In function 'void solve()':
bank.cpp:68:34: warning: '<<' in boolean context, did you mean '<'? [-Wint-in-bool-context]
   68 |     bool res=solution((1<<m)-1,0)<<ln;
      |                                  ^

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 82744 KB Output is correct
2 Correct 31 ms 82880 KB Output is correct
3 Correct 30 ms 82772 KB Output is correct
4 Correct 34 ms 83028 KB Output is correct
5 Correct 92 ms 89212 KB Output is correct
6 Correct 32 ms 82780 KB Output is correct
7 Correct 30 ms 82836 KB Output is correct
8 Correct 92 ms 88516 KB Output is correct
9 Correct 93 ms 88796 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 82752 KB Output is correct
2 Correct 32 ms 82868 KB Output is correct
3 Correct 33 ms 82824 KB Output is correct
4 Correct 34 ms 82844 KB Output is correct
5 Correct 32 ms 82760 KB Output is correct
6 Correct 33 ms 82772 KB Output is correct
7 Correct 34 ms 82772 KB Output is correct
8 Correct 32 ms 82812 KB Output is correct
9 Correct 32 ms 82772 KB Output is correct
10 Correct 33 ms 82848 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 82932 KB Output is correct
2 Correct 34 ms 82912 KB Output is correct
3 Correct 33 ms 83044 KB Output is correct
4 Correct 34 ms 82892 KB Output is correct
5 Correct 32 ms 82916 KB Output is correct
6 Correct 33 ms 83060 KB Output is correct
7 Correct 32 ms 82892 KB Output is correct
8 Correct 33 ms 82976 KB Output is correct
9 Correct 33 ms 83020 KB Output is correct
10 Correct 38 ms 82940 KB Output is correct
11 Correct 33 ms 82828 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 82744 KB Output is correct
2 Correct 31 ms 82880 KB Output is correct
3 Correct 30 ms 82772 KB Output is correct
4 Correct 34 ms 83028 KB Output is correct
5 Correct 92 ms 89212 KB Output is correct
6 Correct 32 ms 82780 KB Output is correct
7 Correct 30 ms 82836 KB Output is correct
8 Correct 92 ms 88516 KB Output is correct
9 Correct 93 ms 88796 KB Output is correct
10 Correct 36 ms 82752 KB Output is correct
11 Correct 32 ms 82868 KB Output is correct
12 Correct 33 ms 82824 KB Output is correct
13 Correct 34 ms 82844 KB Output is correct
14 Correct 32 ms 82760 KB Output is correct
15 Correct 33 ms 82772 KB Output is correct
16 Correct 34 ms 82772 KB Output is correct
17 Correct 32 ms 82812 KB Output is correct
18 Correct 32 ms 82772 KB Output is correct
19 Correct 33 ms 82848 KB Output is correct
20 Correct 34 ms 82932 KB Output is correct
21 Correct 34 ms 82912 KB Output is correct
22 Correct 33 ms 83044 KB Output is correct
23 Correct 34 ms 82892 KB Output is correct
24 Correct 32 ms 82916 KB Output is correct
25 Correct 33 ms 83060 KB Output is correct
26 Correct 32 ms 82892 KB Output is correct
27 Correct 33 ms 82976 KB Output is correct
28 Correct 33 ms 83020 KB Output is correct
29 Correct 38 ms 82940 KB Output is correct
30 Correct 33 ms 82828 KB Output is correct
31 Correct 95 ms 89360 KB Output is correct
32 Correct 96 ms 88596 KB Output is correct
33 Correct 100 ms 89176 KB Output is correct
34 Correct 100 ms 89356 KB Output is correct
35 Correct 107 ms 90344 KB Output is correct
36 Correct 108 ms 89820 KB Output is correct
37 Correct 100 ms 90220 KB Output is correct
38 Correct 99 ms 89860 KB Output is correct
39 Correct 97 ms 87756 KB Output is correct
40 Correct 118 ms 89744 KB Output is correct
41 Correct 107 ms 89220 KB Output is correct
42 Correct 102 ms 88208 KB Output is correct
43 Correct 102 ms 90060 KB Output is correct
44 Correct 113 ms 90252 KB Output is correct
45 Correct 98 ms 89100 KB Output is correct
46 Correct 105 ms 90112 KB Output is correct
47 Correct 111 ms 89692 KB Output is correct
48 Correct 95 ms 88524 KB Output is correct
49 Correct 97 ms 88652 KB Output is correct
50 Correct 101 ms 87696 KB Output is correct
51 Correct 98 ms 88660 KB Output is correct
52 Correct 95 ms 87712 KB Output is correct
53 Correct 101 ms 87660 KB Output is correct
54 Correct 97 ms 87716 KB Output is correct
55 Correct 96 ms 87752 KB Output is correct
56 Correct 94 ms 88412 KB Output is correct
57 Correct 332 ms 88336 KB Output is correct
58 Correct 102 ms 88380 KB Output is correct