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Submission #640099

# Submission time Handle Problem Language Result Execution time Memory
640099 2022-09-13T15:22:35 Z rilakkuma Bank (IZhO14_bank) C++14
100 / 100
 709 ms 220312 KB 
# include <bits/stdc++.h>
using namespace std;
typedef long long ll;

# define int long long
# define For(i, n) for(int i=0; i<n; i++)
# define Fori(i, n) for(int i=1; i<=n; i++)
# define Each(x, v) for(auto x : v)

int n, m, a[25], b[25], memo[25][(1<<20)+5];
vector<int> bitmasks[20005];

int dp(int i, int mask){
  if(i==n) return 1;
  int &res = memo[i][mask];
  if(res != -1) return res;

  res = 0;
  for(int bit : bitmasks[a[i]]){
    if((bit & mask) != 0) continue;
    res = max(res, dp(i+1, mask | bit));
  }
  return res;
}

signed main(){
  ios_base :: sync_with_stdio(false); 
  memset(memo, -1, sizeof(memo));
  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=0; mask<(1<<m); mask++){
    int sum = 0;
    for(int i=0; i<m; i++)
      if((mask >> i)&1) sum += b[i];
    bitmasks[sum].push_back(mask);
  }

  if(dp(0,0) == 1) cout << "YES" << endl;
  else cout << "NO" << endl;
}

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 205932 KB Output is correct
2 Correct 76 ms 205904 KB Output is correct
3 Correct 87 ms 205904 KB Output is correct
4 Correct 78 ms 206352 KB Output is correct
5 Correct 143 ms 217968 KB Output is correct
6 Correct 77 ms 205964 KB Output is correct
7 Correct 78 ms 205900 KB Output is correct
8 Correct 148 ms 216704 KB Output is correct
9 Correct 143 ms 217328 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 205988 KB Output is correct
2 Correct 82 ms 205880 KB Output is correct
3 Correct 79 ms 205952 KB Output is correct
4 Correct 77 ms 205972 KB Output is correct
5 Correct 84 ms 205928 KB Output is correct
6 Correct 83 ms 205900 KB Output is correct
7 Correct 76 ms 205932 KB Output is correct
8 Correct 85 ms 205940 KB Output is correct
9 Correct 83 ms 205896 KB Output is correct
10 Correct 86 ms 205924 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 206196 KB Output is correct
2 Correct 79 ms 206212 KB Output is correct
3 Correct 78 ms 206164 KB Output is correct
4 Correct 80 ms 206196 KB Output is correct
5 Correct 79 ms 206144 KB Output is correct
6 Correct 80 ms 206192 KB Output is correct
7 Correct 79 ms 206152 KB Output is correct
8 Correct 77 ms 206208 KB Output is correct
9 Correct 80 ms 206260 KB Output is correct
10 Correct 88 ms 206164 KB Output is correct
11 Correct 84 ms 206144 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 205932 KB Output is correct
2 Correct 76 ms 205904 KB Output is correct
3 Correct 87 ms 205904 KB Output is correct
4 Correct 78 ms 206352 KB Output is correct
5 Correct 143 ms 217968 KB Output is correct
6 Correct 77 ms 205964 KB Output is correct
7 Correct 78 ms 205900 KB Output is correct
8 Correct 148 ms 216704 KB Output is correct
9 Correct 143 ms 217328 KB Output is correct
10 Correct 78 ms 205988 KB Output is correct
11 Correct 82 ms 205880 KB Output is correct
12 Correct 79 ms 205952 KB Output is correct
13 Correct 77 ms 205972 KB Output is correct
14 Correct 84 ms 205928 KB Output is correct
15 Correct 83 ms 205900 KB Output is correct
16 Correct 76 ms 205932 KB Output is correct
17 Correct 85 ms 205940 KB Output is correct
18 Correct 83 ms 205896 KB Output is correct
19 Correct 86 ms 205924 KB Output is correct
20 Correct 83 ms 206196 KB Output is correct
21 Correct 79 ms 206212 KB Output is correct
22 Correct 78 ms 206164 KB Output is correct
23 Correct 80 ms 206196 KB Output is correct
24 Correct 79 ms 206144 KB Output is correct
25 Correct 80 ms 206192 KB Output is correct
26 Correct 79 ms 206152 KB Output is correct
27 Correct 77 ms 206208 KB Output is correct
28 Correct 80 ms 206260 KB Output is correct
29 Correct 88 ms 206164 KB Output is correct
30 Correct 84 ms 206144 KB Output is correct
31 Correct 150 ms 217808 KB Output is correct
32 Correct 235 ms 217648 KB Output is correct
33 Correct 152 ms 217792 KB Output is correct
34 Correct 156 ms 218572 KB Output is correct
35 Correct 157 ms 220312 KB Output is correct
36 Correct 161 ms 219488 KB Output is correct
37 Correct 150 ms 220232 KB Output is correct
38 Correct 158 ms 219704 KB Output is correct
39 Correct 183 ms 215384 KB Output is correct
40 Correct 156 ms 218704 KB Output is correct
41 Correct 150 ms 218472 KB Output is correct
42 Correct 154 ms 216396 KB Output is correct
43 Correct 151 ms 219296 KB Output is correct
44 Correct 167 ms 220164 KB Output is correct
45 Correct 144 ms 217604 KB Output is correct
46 Correct 150 ms 219340 KB Output is correct
47 Correct 158 ms 219176 KB Output is correct
48 Correct 152 ms 217036 KB Output is correct
49 Correct 143 ms 217276 KB Output is correct
50 Correct 308 ms 215596 KB Output is correct
51 Correct 149 ms 217184 KB Output is correct
52 Correct 161 ms 215248 KB Output is correct
53 Correct 709 ms 215648 KB Output is correct
54 Correct 366 ms 215628 KB Output is correct
55 Correct 301 ms 215744 KB Output is correct
56 Correct 320 ms 216876 KB Output is correct
57 Correct 321 ms 216880 KB Output is correct
58 Correct 334 ms 216976 KB Output is correct