oj.uz

Submission #968840

# Submission time Handle Problem Language Result Execution time Memory
968840 2024-04-24T07:19:50 Z HaciyevAlik Bank (IZhO14_bank) C++14
100 / 100
 300 ms 179168 KB 
#include <bits/stdc++.h>
using namespace std;

const int sz=21;
int n,m,a[sz],b[sz],dp[sz][1<<sz];
vector<int> v[1005];

bool solve(int mask,int i) {
    if(i==n) {
        return true;
    }
    if(dp[i][mask]!=-1) {
        return dp[i][mask];
    }
    for(int j=0;j<v[a[i]].size();++j) {
        int cur=v[a[i]][j];
        if((mask&cur)==cur && solve(mask^cur,i+1)==1) {
            return dp[i][mask]=true;
        }
    }
    return dp[i][mask]=false;
}

signed main() {
    ios::sync_with_stdio(false); cin.tie(0);
    cin >> n >> m;
    for(int i=0;i<n;++i) {
        cin >> a[i];
    }
    for(int i=0;i<m;++i) {
        cin >> b[i];
    }
    memset(dp,-1,sizeof(dp));
    for(int mask=0;mask<(1<<m);++mask) {
        int cur=0;
        for(int i=0;i<m;++i) {
            if(mask>>i&1) {
                cur += b[i];
            }
        }
        if(cur>1000) continue;
        v[cur].push_back(mask);
    }
    solve((1<<m)-1,0);
    if(dp[0][(1<<m)-1]) {
        cout << "YES";
    } else {
        cout << "NO";
    }
    return 0;
}

Compilation message

bank.cpp: In function 'bool solve(int, int)':
bank.cpp:15:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for(int j=0;j<v[a[i]].size();++j) {
      |                 ~^~~~~~~~~~~~~~~
bank.cpp:18:31: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   18 |             return dp[i][mask]=true;
      |                    ~~~~~~~~~~~^~~~~
bank.cpp:21:23: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   21 |     return dp[i][mask]=false;
      |            ~~~~~~~~~~~^~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 172628 KB Output is correct
2 Correct 47 ms 172780 KB Output is correct
3 Correct 46 ms 172636 KB Output is correct
4 Correct 47 ms 172824 KB Output is correct
5 Correct 119 ms 179168 KB Output is correct
6 Correct 49 ms 172880 KB Output is correct
7 Correct 46 ms 172628 KB Output is correct
8 Correct 117 ms 178128 KB Output is correct
9 Correct 118 ms 178824 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 172628 KB Output is correct
2 Correct 47 ms 172608 KB Output is correct
3 Correct 46 ms 172628 KB Output is correct
4 Correct 46 ms 172628 KB Output is correct
5 Correct 47 ms 172628 KB Output is correct
6 Correct 46 ms 172764 KB Output is correct
7 Correct 47 ms 172624 KB Output is correct
8 Correct 46 ms 172624 KB Output is correct
9 Correct 45 ms 172628 KB Output is correct
10 Correct 46 ms 172624 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 172624 KB Output is correct
2 Correct 48 ms 172892 KB Output is correct
3 Correct 47 ms 172632 KB Output is correct
4 Correct 47 ms 172880 KB Output is correct
5 Correct 47 ms 172704 KB Output is correct
6 Correct 47 ms 172628 KB Output is correct
7 Correct 48 ms 172624 KB Output is correct
8 Correct 46 ms 172628 KB Output is correct
9 Correct 52 ms 172756 KB Output is correct
10 Correct 47 ms 172628 KB Output is correct
11 Correct 48 ms 172884 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 172628 KB Output is correct
2 Correct 47 ms 172780 KB Output is correct
3 Correct 46 ms 172636 KB Output is correct
4 Correct 47 ms 172824 KB Output is correct
5 Correct 119 ms 179168 KB Output is correct
6 Correct 49 ms 172880 KB Output is correct
7 Correct 46 ms 172628 KB Output is correct
8 Correct 117 ms 178128 KB Output is correct
9 Correct 118 ms 178824 KB Output is correct
10 Correct 45 ms 172628 KB Output is correct
11 Correct 47 ms 172608 KB Output is correct
12 Correct 46 ms 172628 KB Output is correct
13 Correct 46 ms 172628 KB Output is correct
14 Correct 47 ms 172628 KB Output is correct
15 Correct 46 ms 172764 KB Output is correct
16 Correct 47 ms 172624 KB Output is correct
17 Correct 46 ms 172624 KB Output is correct
18 Correct 45 ms 172628 KB Output is correct
19 Correct 46 ms 172624 KB Output is correct
20 Correct 47 ms 172624 KB Output is correct
21 Correct 48 ms 172892 KB Output is correct
22 Correct 47 ms 172632 KB Output is correct
23 Correct 47 ms 172880 KB Output is correct
24 Correct 47 ms 172704 KB Output is correct
25 Correct 47 ms 172628 KB Output is correct
26 Correct 48 ms 172624 KB Output is correct
27 Correct 46 ms 172628 KB Output is correct
28 Correct 52 ms 172756 KB Output is correct
29 Correct 47 ms 172628 KB Output is correct
30 Correct 48 ms 172884 KB Output is correct
31 Correct 117 ms 178000 KB Output is correct
32 Correct 121 ms 178516 KB Output is correct
33 Correct 121 ms 173652 KB Output is correct
34 Correct 117 ms 172624 KB Output is correct
35 Correct 115 ms 172720 KB Output is correct
36 Correct 118 ms 172836 KB Output is correct
37 Correct 119 ms 173004 KB Output is correct
38 Correct 115 ms 172824 KB Output is correct
39 Correct 119 ms 177572 KB Output is correct
40 Correct 130 ms 174416 KB Output is correct
41 Correct 114 ms 173488 KB Output is correct
42 Correct 126 ms 178260 KB Output is correct
43 Correct 112 ms 174844 KB Output is correct
44 Correct 115 ms 172624 KB Output is correct
45 Correct 123 ms 179160 KB Output is correct
46 Correct 114 ms 175952 KB Output is correct
47 Correct 117 ms 172628 KB Output is correct
48 Correct 120 ms 178456 KB Output is correct
49 Correct 120 ms 178676 KB Output is correct
50 Correct 121 ms 177680 KB Output is correct
51 Correct 119 ms 178472 KB Output is correct
52 Correct 119 ms 177572 KB Output is correct
53 Correct 120 ms 177564 KB Output is correct
54 Correct 120 ms 177684 KB Output is correct
55 Correct 121 ms 177696 KB Output is correct
56 Correct 120 ms 178220 KB Output is correct
57 Correct 300 ms 178212 KB Output is correct
58 Correct 119 ms 178232 KB Output is correct