oj.uz

Submission #684133

# Submission time Handle Problem Language Result Execution time Memory
684133 2023-01-20T13:59:55 Z kusssso Bank (IZhO14_bank) C++17
100 / 100
 567 ms 179036 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 21;

int n, m;
int a[N];
int b[N];
vector<int> g[1005];
int dp[1 << N][N];

int cal (int t, int i) {
    if (i == n - 1) {
        return 1;
    }
    int &res = dp[t][i + 1];
    if (res != -1) return res;
    res = 0;
    for (auto& nt : g[a[i + 1]]) {
        if ((nt & t) == 0) {
            res |= cal(t | nt, i + 1);
        }
    }
    return res;
}


signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    #define TN "bank"
    if (ifstream(TN".in")) {
        freopen(TN".in", "r", stdin);
        freopen(TN".out", "w", stdout);
    }
    
    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 t = 0; t < (1 << m); t++) {
        int sum = 0;
        for (int i = 0; i < m; i++) {
            sum += ((t >> i) & 1) * b[i];
        }
        if (sum <= 1000) {
            g[sum].push_back(t);
        }
    }
    memset(dp, -1, sizeof dp);
    cout << (cal(0, -1) ? "YES" : "NO");
    
    return 0;
}

Compilation message

bank.cpp: In function 'int main()':
bank.cpp:34:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |         freopen(TN".in", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
bank.cpp:35:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |         freopen(TN".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 172588 KB Output is correct
2 Correct 69 ms 172656 KB Output is correct
3 Correct 73 ms 172620 KB Output is correct
4 Correct 71 ms 172904 KB Output is correct
5 Correct 91 ms 179036 KB Output is correct
6 Correct 70 ms 172688 KB Output is correct
7 Correct 67 ms 172620 KB Output is correct
8 Correct 89 ms 178132 KB Output is correct
9 Correct 89 ms 178524 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 172632 KB Output is correct
2 Correct 66 ms 172612 KB Output is correct
3 Correct 69 ms 172656 KB Output is correct
4 Correct 69 ms 172708 KB Output is correct
5 Correct 74 ms 172620 KB Output is correct
6 Correct 75 ms 172636 KB Output is correct
7 Correct 72 ms 172620 KB Output is correct
8 Correct 74 ms 172628 KB Output is correct
9 Correct 70 ms 172588 KB Output is correct
10 Correct 68 ms 172684 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 172616 KB Output is correct
2 Correct 83 ms 172620 KB Output is correct
3 Correct 71 ms 172632 KB Output is correct
4 Correct 67 ms 172804 KB Output is correct
5 Correct 68 ms 172748 KB Output is correct
6 Correct 68 ms 172620 KB Output is correct
7 Correct 67 ms 172716 KB Output is correct
8 Correct 72 ms 172760 KB Output is correct
9 Correct 70 ms 172580 KB Output is correct
10 Correct 70 ms 172640 KB Output is correct
11 Correct 69 ms 172752 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 172588 KB Output is correct
2 Correct 69 ms 172656 KB Output is correct
3 Correct 73 ms 172620 KB Output is correct
4 Correct 71 ms 172904 KB Output is correct
5 Correct 91 ms 179036 KB Output is correct
6 Correct 70 ms 172688 KB Output is correct
7 Correct 67 ms 172620 KB Output is correct
8 Correct 89 ms 178132 KB Output is correct
9 Correct 89 ms 178524 KB Output is correct
10 Correct 70 ms 172632 KB Output is correct
11 Correct 66 ms 172612 KB Output is correct
12 Correct 69 ms 172656 KB Output is correct
13 Correct 69 ms 172708 KB Output is correct
14 Correct 74 ms 172620 KB Output is correct
15 Correct 75 ms 172636 KB Output is correct
16 Correct 72 ms 172620 KB Output is correct
17 Correct 74 ms 172628 KB Output is correct
18 Correct 70 ms 172588 KB Output is correct
19 Correct 68 ms 172684 KB Output is correct
20 Correct 69 ms 172616 KB Output is correct
21 Correct 83 ms 172620 KB Output is correct
22 Correct 71 ms 172632 KB Output is correct
23 Correct 67 ms 172804 KB Output is correct
24 Correct 68 ms 172748 KB Output is correct
25 Correct 68 ms 172620 KB Output is correct
26 Correct 67 ms 172716 KB Output is correct
27 Correct 72 ms 172760 KB Output is correct
28 Correct 70 ms 172580 KB Output is correct
29 Correct 70 ms 172640 KB Output is correct
30 Correct 69 ms 172752 KB Output is correct
31 Correct 92 ms 177996 KB Output is correct
32 Correct 154 ms 178464 KB Output is correct
33 Correct 85 ms 173456 KB Output is correct
34 Correct 86 ms 172612 KB Output is correct
35 Correct 91 ms 172624 KB Output is correct
36 Correct 88 ms 172644 KB Output is correct
37 Correct 93 ms 172752 KB Output is correct
38 Correct 84 ms 172804 KB Output is correct
39 Correct 115 ms 177592 KB Output is correct
40 Correct 92 ms 174404 KB Output is correct
41 Correct 83 ms 173216 KB Output is correct
42 Correct 110 ms 178380 KB Output is correct
43 Correct 96 ms 174464 KB Output is correct
44 Correct 90 ms 172648 KB Output is correct
45 Correct 110 ms 178812 KB Output is correct
46 Correct 91 ms 175764 KB Output is correct
47 Correct 97 ms 172604 KB Output is correct
48 Correct 101 ms 178244 KB Output is correct
49 Correct 93 ms 178508 KB Output is correct
50 Correct 268 ms 177400 KB Output is correct
51 Correct 107 ms 178572 KB Output is correct
52 Correct 94 ms 177476 KB Output is correct
53 Correct 567 ms 177556 KB Output is correct
54 Correct 343 ms 177504 KB Output is correct
55 Correct 289 ms 177496 KB Output is correct
56 Correct 305 ms 177768 KB Output is correct
57 Correct 291 ms 177708 KB Output is correct
58 Correct 336 ms 177780 KB Output is correct