oj.uz

Submission #640101

# Submission time Handle Problem Language Result Execution time Memory
640101 2022-09-13T15:29:53 Z bonk Bank (IZhO14_bank) C++14
100 / 100
 845 ms 90324 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
const int N = 20002;
vector<int>v[N];
vector<int>a(21), b(21);
vector<int>bit(21);
int dp[20][(1<<20) + 1];
int n, m;
 
bool f(int idx, int mask){
    if(idx >= n) return 1;
    
    auto &cur = dp[idx][mask];
    if(cur != -1) return cur;

    cur = 0;

    for(int i = 0; i < v[a[idx]].size(); i++){
        if(!(mask & v[a[idx]][i])) cur |= f(idx + 1, mask | v[a[idx]][i]);
    }
 
    return cur;
}
 
int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    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];
 
    int all = (1<<m);
 
    for(int mask = 1; mask < all; mask++){
        int sum = 0;
        for(int i = 0; i < m; i++){
            if((mask>>i)&1) sum += b[i];
        }
 
        v[sum].push_back(mask);
    }
 
    if(f(0, 0)) cout << "YES" << '\n';
    else cout << "NO" << '\n';
 
    return 0;
}

Compilation message

bank.cpp: In function 'bool f(int, int)':
bank.cpp:20:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(int i = 0; i < v[a[idx]].size(); i++){
      |                    ~~^~~~~~~~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 82840 KB Output is correct
2 Correct 32 ms 82748 KB Output is correct
3 Correct 34 ms 82860 KB Output is correct
4 Correct 34 ms 83028 KB Output is correct
5 Correct 96 ms 89480 KB Output is correct
6 Correct 32 ms 82848 KB Output is correct
7 Correct 32 ms 82892 KB Output is correct
8 Correct 91 ms 88284 KB Output is correct
9 Correct 95 ms 88628 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 82764 KB Output is correct
2 Correct 32 ms 82772 KB Output is correct
3 Correct 34 ms 82764 KB Output is correct
4 Correct 33 ms 82820 KB Output is correct
5 Correct 33 ms 82784 KB Output is correct
6 Correct 32 ms 82800 KB Output is correct
7 Correct 33 ms 82788 KB Output is correct
8 Correct 35 ms 82820 KB Output is correct
9 Correct 33 ms 82932 KB Output is correct
10 Correct 36 ms 82796 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 82952 KB Output is correct
2 Correct 35 ms 82916 KB Output is correct
3 Correct 35 ms 82928 KB Output is correct
4 Correct 40 ms 82940 KB Output is correct
5 Correct 34 ms 82892 KB Output is correct
6 Correct 35 ms 82988 KB Output is correct
7 Correct 34 ms 82892 KB Output is correct
8 Correct 40 ms 82936 KB Output is correct
9 Correct 34 ms 82908 KB Output is correct
10 Correct 35 ms 82948 KB Output is correct
11 Correct 33 ms 82840 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 82840 KB Output is correct
2 Correct 32 ms 82748 KB Output is correct
3 Correct 34 ms 82860 KB Output is correct
4 Correct 34 ms 83028 KB Output is correct
5 Correct 96 ms 89480 KB Output is correct
6 Correct 32 ms 82848 KB Output is correct
7 Correct 32 ms 82892 KB Output is correct
8 Correct 91 ms 88284 KB Output is correct
9 Correct 95 ms 88628 KB Output is correct
10 Correct 33 ms 82764 KB Output is correct
11 Correct 32 ms 82772 KB Output is correct
12 Correct 34 ms 82764 KB Output is correct
13 Correct 33 ms 82820 KB Output is correct
14 Correct 33 ms 82784 KB Output is correct
15 Correct 32 ms 82800 KB Output is correct
16 Correct 33 ms 82788 KB Output is correct
17 Correct 35 ms 82820 KB Output is correct
18 Correct 33 ms 82932 KB Output is correct
19 Correct 36 ms 82796 KB Output is correct
20 Correct 34 ms 82952 KB Output is correct
21 Correct 35 ms 82916 KB Output is correct
22 Correct 35 ms 82928 KB Output is correct
23 Correct 40 ms 82940 KB Output is correct
24 Correct 34 ms 82892 KB Output is correct
25 Correct 35 ms 82988 KB Output is correct
26 Correct 34 ms 82892 KB Output is correct
27 Correct 40 ms 82936 KB Output is correct
28 Correct 34 ms 82908 KB Output is correct
29 Correct 35 ms 82948 KB Output is correct
30 Correct 33 ms 82840 KB Output is correct
31 Correct 99 ms 89240 KB Output is correct
32 Correct 261 ms 88584 KB Output is correct
33 Correct 100 ms 88964 KB Output is correct
34 Correct 99 ms 89320 KB Output is correct
35 Correct 103 ms 90324 KB Output is correct
36 Correct 103 ms 89876 KB Output is correct
37 Correct 100 ms 90128 KB Output is correct
38 Correct 99 ms 89804 KB Output is correct
39 Correct 114 ms 87780 KB Output is correct
40 Correct 95 ms 89764 KB Output is correct
41 Correct 97 ms 89292 KB Output is correct
42 Correct 103 ms 88256 KB Output is correct
43 Correct 99 ms 90088 KB Output is correct
44 Correct 108 ms 90108 KB Output is correct
45 Correct 95 ms 88792 KB Output is correct
46 Correct 99 ms 90060 KB Output is correct
47 Correct 104 ms 89576 KB Output is correct
48 Correct 94 ms 88424 KB Output is correct
49 Correct 98 ms 88676 KB Output is correct
50 Correct 285 ms 87740 KB Output is correct
51 Correct 94 ms 88644 KB Output is correct
52 Correct 102 ms 87640 KB Output is correct
53 Correct 845 ms 87736 KB Output is correct
54 Correct 367 ms 87708 KB Output is correct
55 Correct 304 ms 87676 KB Output is correct
56 Correct 333 ms 88356 KB Output is correct
57 Correct 299 ms 88344 KB Output is correct
58 Correct 305 ms 88348 KB Output is correct