oj.uz

Submission #760982

# Submission time Handle Problem Language Result Execution time Memory
760982 2023-06-19T01:43:14 Z Kubogi Bank (IZhO14_bank) C++17
100 / 100
 100 ms 8632 KB 
#include <bits/stdc++.h>
using namespace std;

using i64 = long long;

#define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)

const int maxn = 20;
int n, m, a[maxn], b[maxn], pf[1<<maxn], rem[1<<maxn];

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    fileio("");
    // freopen("debug.txt", "w", stderr);

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

    memset(pf, -1, sizeof pf);
    pf[0] = 0;

    for (int mask = 1; mask < (1<<m); mask++) {
        for (int i = 0; i < m; i++) {
            if (!((mask>>i)&1)) continue;
            int mask1 = mask ^ (1<<i);
            if (pf[mask1] == -1) continue;

            int val = rem[mask1] + b[i];
            int target = a[pf[mask1]];

            if (val < target) {
                pf[mask] = pf[mask1];
                rem[mask] = val;
            }
            if (val == target) {
                pf[mask] = pf[mask1] + 1;
                rem[mask] = 0;
            }
        }
        if (pf[mask] == n) {
            cout << "YES";
            return 0;
        }
    }
    cout << "NO";

    return 0 ^ 0;
}

Compilation message

bank.cpp: In function 'int32_t main()':
bank.cpp:6:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:14:5: note: in expansion of macro 'fileio'
   14 |     fileio("");
      |     ^~~~~~
bank.cpp:6:90: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                                                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:14:5: note: in expansion of macro 'fileio'
   14 |     fileio("");
      |     ^~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4436 KB Output is correct
2 Correct 2 ms 4384 KB Output is correct
3 Correct 2 ms 4308 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 68 ms 4432 KB Output is correct
6 Correct 2 ms 4308 KB Output is correct
7 Correct 2 ms 4308 KB Output is correct
8 Correct 2 ms 4308 KB Output is correct
9 Correct 73 ms 8632 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4308 KB Output is correct
2 Correct 2 ms 4436 KB Output is correct
3 Correct 2 ms 4424 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 2 ms 4308 KB Output is correct
6 Correct 2 ms 4308 KB Output is correct
7 Correct 2 ms 4308 KB Output is correct
8 Correct 2 ms 4436 KB Output is correct
9 Correct 2 ms 4436 KB Output is correct
10 Correct 2 ms 4420 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4436 KB Output is correct
2 Correct 3 ms 4484 KB Output is correct
3 Correct 3 ms 4436 KB Output is correct
4 Correct 3 ms 4308 KB Output is correct
5 Correct 3 ms 4436 KB Output is correct
6 Correct 3 ms 4436 KB Output is correct
7 Correct 3 ms 4436 KB Output is correct
8 Correct 2 ms 4436 KB Output is correct
9 Correct 3 ms 4416 KB Output is correct
10 Correct 3 ms 4436 KB Output is correct
11 Correct 3 ms 4436 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4436 KB Output is correct
2 Correct 2 ms 4384 KB Output is correct
3 Correct 2 ms 4308 KB Output is correct
4 Correct 2 ms 4308 KB Output is correct
5 Correct 68 ms 4432 KB Output is correct
6 Correct 2 ms 4308 KB Output is correct
7 Correct 2 ms 4308 KB Output is correct
8 Correct 2 ms 4308 KB Output is correct
9 Correct 73 ms 8632 KB Output is correct
10 Correct 2 ms 4308 KB Output is correct
11 Correct 2 ms 4436 KB Output is correct
12 Correct 2 ms 4424 KB Output is correct
13 Correct 2 ms 4308 KB Output is correct
14 Correct 2 ms 4308 KB Output is correct
15 Correct 2 ms 4308 KB Output is correct
16 Correct 2 ms 4308 KB Output is correct
17 Correct 2 ms 4436 KB Output is correct
18 Correct 2 ms 4436 KB Output is correct
19 Correct 2 ms 4420 KB Output is correct
20 Correct 3 ms 4436 KB Output is correct
21 Correct 3 ms 4484 KB Output is correct
22 Correct 3 ms 4436 KB Output is correct
23 Correct 3 ms 4308 KB Output is correct
24 Correct 3 ms 4436 KB Output is correct
25 Correct 3 ms 4436 KB Output is correct
26 Correct 3 ms 4436 KB Output is correct
27 Correct 2 ms 4436 KB Output is correct
28 Correct 3 ms 4416 KB Output is correct
29 Correct 3 ms 4436 KB Output is correct
30 Correct 3 ms 4436 KB Output is correct
31 Correct 90 ms 8496 KB Output is correct
32 Correct 90 ms 8504 KB Output is correct
33 Correct 71 ms 8456 KB Output is correct
34 Correct 67 ms 5400 KB Output is correct
35 Correct 73 ms 5452 KB Output is correct
36 Correct 74 ms 4556 KB Output is correct
37 Correct 75 ms 4744 KB Output is correct
38 Correct 74 ms 4308 KB Output is correct
39 Correct 2 ms 4308 KB Output is correct
40 Correct 76 ms 4508 KB Output is correct
41 Correct 71 ms 4500 KB Output is correct
42 Correct 100 ms 8476 KB Output is correct
43 Correct 71 ms 6876 KB Output is correct
44 Correct 69 ms 4436 KB Output is correct
45 Correct 2 ms 4424 KB Output is correct
46 Correct 85 ms 8396 KB Output is correct
47 Correct 75 ms 4556 KB Output is correct
48 Correct 2 ms 4428 KB Output is correct
49 Correct 70 ms 4540 KB Output is correct
50 Correct 81 ms 8476 KB Output is correct
51 Correct 71 ms 4688 KB Output is correct
52 Correct 73 ms 8388 KB Output is correct
53 Correct 95 ms 8404 KB Output is correct
54 Correct 89 ms 8460 KB Output is correct
55 Correct 79 ms 8484 KB Output is correct
56 Correct 85 ms 8384 KB Output is correct
57 Correct 81 ms 8408 KB Output is correct
58 Correct 80 ms 8476 KB Output is correct