oj.uz

Submission #549822

# Submission time Handle Problem Language Result Execution time Memory
549822 2022-04-16T15:24:53 Z Soul234 Bank (IZhO14_bank) C++14
100 / 100
 107 ms 8592 KB 
#include<bits/stdc++.h>
using namespace std;

void DBG() { cerr << "]\n"; }
template<class H, class... T> void DBG(H h, T... t) {
    cerr << h; if(sizeof...(t)) cerr << ", ";
    DBG(t...);
}
#ifdef LOCAL
#define dbg(...) cerr << "[" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__)
#else
#define dbg(...) 0
#endif // LOCAL

#define FOR(i,a,b) for(int i = (a) ; i<(b) ; i++)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for(int i = (b)-1 ; i>=(a) ; i--)
#define R0F(i,a) ROF(i,0,a)
#define each(e,a) for(auto &e : (a))
#define sz(v) (int)(v).size()
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pb push_back
#define tcT template<class T
#define nl "\n"

using ll = long long;
using vi = vector<int>;
using pi = pair<int,int>;
using str = string;
tcT> using V = vector<T>;
tcT> using pqg = priority_queue<T,vector<T>,greater<T>>;

void setIO(string NAME = "") {
    cin.tie(0)->sync_with_stdio(0);
    if(sz(NAME)) {
        freopen((NAME + ".inp").c_str(),"r",stdin);
        freopen((NAME + ".out").c_str(),"w",stdout);
    }
}

const int MX = 20;
int N, M, A[MX], B[MX];
pi dp[1<<20];

void solve() {
    cin>>N>>M;
    F0R(i,N) cin>>A[i];
    F0R(i,M) cin>>B[i];
    F0R(i,1<<M) dp[i] = {-1,-1};
    dp[0] = {0,0};
    F0R(msk,1<<M) {
        F0R(lst, M) if((msk>>lst&1) && dp[msk^(1<<lst)].first != -1) {
            pi pre = dp[msk^(1<<lst)];
            if(pre.second + B[lst] > A[pre.first]) continue;
            pre.second += B[lst];
            if(pre.second == A[pre.first]) pre.first++, pre.second = 0;
            dp[msk] = pre;
            if(pre.first == N) {
                cout << "YES\n";
                return;
            }
        }
    }
    cout << "NO\n";
}

int main() {
    setIO();

    int t=1;
    //cin>>t;
    while(t-->0) {
        solve();
    }

    return 0;
}

Compilation message

bank.cpp: In function 'void setIO(std::string)':
bank.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         freopen((NAME + ".inp").c_str(),"r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:38:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         freopen((NAME + ".out").c_str(),"w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 62 ms 8420 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 5 ms 8520 KB Output is correct
9 Correct 66 ms 8504 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 456 KB Output is correct
11 Correct 1 ms 340 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 62 ms 8420 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 5 ms 8520 KB Output is correct
9 Correct 66 ms 8504 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 2 ms 456 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 80 ms 8448 KB Output is correct
32 Correct 87 ms 8404 KB Output is correct
33 Correct 75 ms 8504 KB Output is correct
34 Correct 70 ms 8404 KB Output is correct
35 Correct 65 ms 8508 KB Output is correct
36 Correct 61 ms 8504 KB Output is correct
37 Correct 62 ms 8508 KB Output is correct
38 Correct 59 ms 8508 KB Output is correct
39 Correct 4 ms 8404 KB Output is correct
40 Correct 58 ms 8504 KB Output is correct
41 Correct 66 ms 8508 KB Output is correct
42 Correct 107 ms 8520 KB Output is correct
43 Correct 64 ms 8524 KB Output is correct
44 Correct 59 ms 8524 KB Output is correct
45 Correct 4 ms 8520 KB Output is correct
46 Correct 90 ms 8508 KB Output is correct
47 Correct 64 ms 8516 KB Output is correct
48 Correct 4 ms 8520 KB Output is correct
49 Correct 61 ms 8524 KB Output is correct
50 Correct 70 ms 8504 KB Output is correct
51 Correct 62 ms 8508 KB Output is correct
52 Correct 63 ms 8504 KB Output is correct
53 Correct 87 ms 8520 KB Output is correct
54 Correct 90 ms 8404 KB Output is correct
55 Correct 78 ms 8520 KB Output is correct
56 Correct 66 ms 8448 KB Output is correct
57 Correct 68 ms 8504 KB Output is correct
58 Correct 69 ms 8592 KB Output is correct