oj.uz

Submission #106289

# Submission time Handle Problem Language Result Execution time Memory
106289 2019-04-17T19:12:28 Z Frankenween Bank (IZhO14_bank) C++14
100 / 100
 101 ms 552 KB 
#include <bits/stdc++.h>


//#define _FORTIFY_SOURCE 0
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("no-stack-protector")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define ull unsigned long long
#define pii pair<ll, ll>
#define mp make_pair
#define ll long long
#define ld long double
#define pb push_back
#define deb(x) cout << #x << " = " << x << endl
#define all(x) x.begin(), x.end()
#define vi vector<ll>

const ll mod = (ll)1e9 + 7;
const ll inf = (ll)1e18;
const long double e = 2.718281828459;
const long double pi = atan2l(0, -1);


using namespace std;


template <class T>
istream& operator>>(istream &in, vector<T> &arr) {
    for (T &cnt : arr) {
        in >> cnt;
    }
    return in;
};


void solve() {
    ll n, m;
    cin >> n >> m;
    vector<ll> a(n), b(m);
    cin >> a >> b;
    vector<bool> used((1 << m), false);
    random_shuffle(all(b));
    vector<ll> need = a;

    function<bool(int, int)> sosatb = [&](int gay, int msk) {
        used[msk] = true;
        if (gay == n) {
            return true;
        }
        for (int i = 0; i < m; i++) {
            if ((msk & (1 << i)) or need[gay] < b[i] or used[(msk | (1 << i))]) {
                continue;
            }
            need[gay] -= b[i];
            bool ans;
            if (need[gay] == 0) {
                ans = sosatb(gay + 1, (msk | (1 << i)));
            } else {
                ans = sosatb(gay, (msk | (1 << i)));
            }
            need[gay] += b[i];
            if (ans) {
                return true;
            }
        }
        return false;
    };
    if (sosatb(0, 0)) {
        cout << "YES";
    } else {
        cout << "NO";
    }
}


int main() {
#ifndef LOCAL
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
#else
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    cout.precision(30);
    srand(time(0));
    cout.setf(ios::fixed);
    solve();
    return 0;
}

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 85 ms 536 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 424 KB Output is correct
10 Correct 2 ms 512 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 85 ms 536 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 424 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 3 ms 384 KB Output is correct
31 Correct 2 ms 512 KB Output is correct
32 Correct 2 ms 452 KB Output is correct
33 Correct 3 ms 512 KB Output is correct
34 Correct 3 ms 512 KB Output is correct
35 Correct 2 ms 512 KB Output is correct
36 Correct 3 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 2 ms 512 KB Output is correct
39 Correct 2 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 2 ms 512 KB Output is correct
42 Correct 59 ms 512 KB Output is correct
43 Correct 4 ms 512 KB Output is correct
44 Correct 2 ms 512 KB Output is correct
45 Correct 2 ms 512 KB Output is correct
46 Correct 12 ms 552 KB Output is correct
47 Correct 2 ms 512 KB Output is correct
48 Correct 2 ms 512 KB Output is correct
49 Correct 2 ms 512 KB Output is correct
50 Correct 100 ms 512 KB Output is correct
51 Correct 3 ms 512 KB Output is correct
52 Correct 4 ms 512 KB Output is correct
53 Correct 9 ms 512 KB Output is correct
54 Correct 25 ms 536 KB Output is correct
55 Correct 41 ms 512 KB Output is correct
56 Correct 72 ms 512 KB Output is correct
57 Correct 101 ms 512 KB Output is correct
58 Correct 23 ms 512 KB Output is correct