oj.uz

Submission #476220

# Submission time Handle Problem Language Result Execution time Memory
476220 2021-09-25T12:05:41 Z kkk Bank (IZhO14_bank) C++17
100 / 100
 342 ms 172776 KB 
#include<cstring>
#include<iostream>
#define endl '\n'
using namespace std;
long long a[100], b[100], dp[(1<<20)+2][21], n, m;

bool rec(long long pos,long long mask,long long num)
{
    if(pos==n)return 1;

    if(dp[mask][pos]!=-1)return dp[mask][pos];

    bool rez=0;

    for(int i=0;i<m;i++)
    {
        if((mask&(1<<i))==0)
        {
            if(b[i]<num)
            {
               rez=max(rez, rec(pos,(mask|(1<<i)),num-b[i]));
            }
           if(b[i]==num)
           {
               rez=max(rez, rec(pos+1,(mask|(1<<i)),a[pos+1]));
           }
        }
    }
    return dp[mask][pos]=rez;

}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    long long i,j;

    memset(dp,-1,sizeof(dp));

    cin>>n>>m;

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

    if(rec(0,0,a[0]))cout<<"YES"<<endl;
    else cout<<"NO"<<endl;

}

Compilation message

bank.cpp: In function 'bool rec(long long int, long long int, long long int)':
bank.cpp:29:25: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   29 |     return dp[mask][pos]=rez;
      |            ~~~~~~~~~~~~~^~~~
bank.cpp: In function 'int main()':
bank.cpp:39:17: warning: unused variable 'j' [-Wunused-variable]
   39 |     long long i,j;
      |                 ^

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 172604 KB Output is correct
2 Correct 65 ms 172568 KB Output is correct
3 Correct 65 ms 172576 KB Output is correct
4 Correct 73 ms 172664 KB Output is correct
5 Correct 68 ms 172656 KB Output is correct
6 Correct 70 ms 172652 KB Output is correct
7 Correct 71 ms 172612 KB Output is correct
8 Correct 182 ms 172664 KB Output is correct
9 Correct 324 ms 172672 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 172584 KB Output is correct
2 Correct 66 ms 172584 KB Output is correct
3 Correct 71 ms 172648 KB Output is correct
4 Correct 69 ms 172616 KB Output is correct
5 Correct 66 ms 172632 KB Output is correct
6 Correct 69 ms 172612 KB Output is correct
7 Correct 70 ms 172648 KB Output is correct
8 Correct 73 ms 172632 KB Output is correct
9 Correct 76 ms 172576 KB Output is correct
10 Correct 80 ms 172612 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 172612 KB Output is correct
2 Correct 67 ms 172664 KB Output is correct
3 Correct 70 ms 172616 KB Output is correct
4 Correct 73 ms 172612 KB Output is correct
5 Correct 72 ms 172572 KB Output is correct
6 Correct 63 ms 172636 KB Output is correct
7 Correct 66 ms 172656 KB Output is correct
8 Correct 84 ms 172668 KB Output is correct
9 Correct 70 ms 172632 KB Output is correct
10 Correct 64 ms 172612 KB Output is correct
11 Correct 67 ms 172664 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 172604 KB Output is correct
2 Correct 65 ms 172568 KB Output is correct
3 Correct 65 ms 172576 KB Output is correct
4 Correct 73 ms 172664 KB Output is correct
5 Correct 68 ms 172656 KB Output is correct
6 Correct 70 ms 172652 KB Output is correct
7 Correct 71 ms 172612 KB Output is correct
8 Correct 182 ms 172664 KB Output is correct
9 Correct 324 ms 172672 KB Output is correct
10 Correct 65 ms 172584 KB Output is correct
11 Correct 66 ms 172584 KB Output is correct
12 Correct 71 ms 172648 KB Output is correct
13 Correct 69 ms 172616 KB Output is correct
14 Correct 66 ms 172632 KB Output is correct
15 Correct 69 ms 172612 KB Output is correct
16 Correct 70 ms 172648 KB Output is correct
17 Correct 73 ms 172632 KB Output is correct
18 Correct 76 ms 172576 KB Output is correct
19 Correct 80 ms 172612 KB Output is correct
20 Correct 81 ms 172612 KB Output is correct
21 Correct 67 ms 172664 KB Output is correct
22 Correct 70 ms 172616 KB Output is correct
23 Correct 73 ms 172612 KB Output is correct
24 Correct 72 ms 172572 KB Output is correct
25 Correct 63 ms 172636 KB Output is correct
26 Correct 66 ms 172656 KB Output is correct
27 Correct 84 ms 172668 KB Output is correct
28 Correct 70 ms 172632 KB Output is correct
29 Correct 64 ms 172612 KB Output is correct
30 Correct 67 ms 172664 KB Output is correct
31 Correct 289 ms 172660 KB Output is correct
32 Correct 268 ms 172612 KB Output is correct
33 Correct 80 ms 172632 KB Output is correct
34 Correct 72 ms 172600 KB Output is correct
35 Correct 71 ms 172588 KB Output is correct
36 Correct 64 ms 172564 KB Output is correct
37 Correct 68 ms 172612 KB Output is correct
38 Correct 70 ms 172672 KB Output is correct
39 Correct 102 ms 172776 KB Output is correct
40 Correct 71 ms 172668 KB Output is correct
41 Correct 68 ms 172624 KB Output is correct
42 Correct 198 ms 172716 KB Output is correct
43 Correct 73 ms 172688 KB Output is correct
44 Correct 73 ms 172616 KB Output is correct
45 Correct 147 ms 172560 KB Output is correct
46 Correct 107 ms 172624 KB Output is correct
47 Correct 84 ms 172576 KB Output is correct
48 Correct 106 ms 172724 KB Output is correct
49 Correct 66 ms 172628 KB Output is correct
50 Correct 283 ms 172612 KB Output is correct
51 Correct 74 ms 172668 KB Output is correct
52 Correct 80 ms 172664 KB Output is correct
53 Correct 269 ms 172672 KB Output is correct
54 Correct 305 ms 172664 KB Output is correct
55 Correct 283 ms 172668 KB Output is correct
56 Correct 342 ms 172700 KB Output is correct
57 Correct 277 ms 172612 KB Output is correct
58 Correct 296 ms 172740 KB Output is correct