oj.uz

Submission #171725

# Submission time Handle Problem Language Result Execution time Memory
171725 2019-12-30T08:14:12 Z davitmarg Bank (IZhO14_bank) C++17
19 / 100
 94 ms 12500 KB 
/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(), v.end()
using namespace std;

const int N = 25;

int n, m, dp[N][(1 << 20) + 5];
LL a[N], b[N], sum[(1 << 20) + 5];

int main()
{
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
    for (int i = 1; i <= m; i++)
        cin >> b[i];
    for (int mask = 0; mask < (1 << m); mask++)
        for (int i = 0; i < m; i++)
            if (((1 << i) & mask))
                sum[mask] += b[i];

    dp[0][0] = 1;
    for (int i = 1; i <= n; i++)
    {
        for (int mask = 0; mask < (1 << m); mask++)
        {
            if (dp[i - 1][mask] == 0)
                continue;
            int s = (1 << m) - 1 - mask;
            while (s > 0)
            {
                if (sum[s] == a[i])
                    dp[i][mask | s] = 1;
                s = (s - 1) & ((1 << m) - 1 - mask);
            }
        }
    }
    int ans = 0;
    for (int mask = 0; mask < (1 << m); mask++)
        ans += dp[n][mask];
    if (ans)
        cout << "YES" << endl;
    else
        cout << "NO" << endl;
    return 0;
}

/*



*/

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 632 KB Output is correct
5 Correct 92 ms 8568 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 94 ms 12500 KB Output is correct
9 Correct 92 ms 8492 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 632 KB Output is correct
5 Correct 92 ms 8568 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 94 ms 12500 KB Output is correct
9 Correct 92 ms 8492 KB Output is correct
10 Incorrect 2 ms 376 KB Output isn't correct
11 Halted 0 ms 0 KB -