oj.uz

Submission #358541

# Submission time Handle Problem Language Result Execution time Memory
358541 2021-01-25T18:25:57 Z nicolaalexandra Bank (IZhO14_bank) C++14
100 / 100
 267 ms 14572 KB 
#include <bits/stdc++.h>

using namespace std;

short v[22],a[22];
vector <int> L[22];
bool viz[22][1<<21];
int n,m,i,sol;

void back (int pas, int mask){
    if (sol)
        return;
    if (pas > n){
        sol = 1;
        return;
    }

    if (viz[pas][mask])
        return;
    viz[pas][mask] = 1;

    for (auto it : L[pas]){
        if ( (it & mask) == 0)
            back (pas+1,mask | it);
    }

}

int main (){

    //ifstream cin ("date.in");
    //ofstream cout ("date.out");

    cin>>n>>m;
    for (i=1;i<=n;++i)
        cin>>v[i];

    for (i=0;i<m;++i)
        cin>>a[i];

    int maxi = (1<<m);
    for (int mask=0;mask<maxi;++mask){
        int sum = 0;
        for (int bit=0;bit<m;++bit){
            if (mask & (1<<bit))
                sum += a[bit];
        }

        for (i=1;i<=n;++i){
            if (v[i] == sum)
                L[i].push_back(mask);
        }
    }

    for (i=1;i<=n;++i)
        if (L[i].empty()){
            cout<<"NO\n";
            return 0;
        }

    back (1,0);

    if (sol)
        cout<<"YES";
    else cout<<"NO";


    return 0;
}

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 3 ms 492 KB Output is correct
5 Correct 66 ms 364 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 66 ms 364 KB Output is correct
9 Correct 66 ms 364 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 3 ms 492 KB Output is correct
5 Correct 66 ms 364 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 66 ms 364 KB Output is correct
9 Correct 66 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 2 ms 364 KB Output is correct
25 Correct 2 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 2 ms 364 KB Output is correct
31 Correct 76 ms 364 KB Output is correct
32 Correct 71 ms 620 KB Output is correct
33 Correct 75 ms 364 KB Output is correct
34 Correct 80 ms 376 KB Output is correct
35 Correct 84 ms 492 KB Output is correct
36 Correct 112 ms 492 KB Output is correct
37 Correct 67 ms 364 KB Output is correct
38 Correct 72 ms 364 KB Output is correct
39 Correct 76 ms 364 KB Output is correct
40 Correct 85 ms 492 KB Output is correct
41 Correct 111 ms 364 KB Output is correct
42 Correct 86 ms 3692 KB Output is correct
43 Correct 77 ms 1004 KB Output is correct
44 Correct 96 ms 364 KB Output is correct
45 Correct 69 ms 364 KB Output is correct
46 Correct 75 ms 364 KB Output is correct
47 Correct 99 ms 492 KB Output is correct
48 Correct 76 ms 364 KB Output is correct
49 Correct 66 ms 364 KB Output is correct
50 Correct 111 ms 492 KB Output is correct
51 Correct 82 ms 492 KB Output is correct
52 Correct 79 ms 492 KB Output is correct
53 Correct 94 ms 492 KB Output is correct
54 Correct 112 ms 492 KB Output is correct
55 Correct 111 ms 492 KB Output is correct
56 Correct 112 ms 620 KB Output is correct
57 Correct 267 ms 14572 KB Output is correct
58 Correct 109 ms 520 KB Output is correct