oj.uz

답안 #671431

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
671431 2022-12-13T04:53:43 Z Alihan_8 은행 (IZhO14_bank) C++17
19 / 100
 2 ms 596 KB 
#include <bits/stdc++.h>
// include <ext/pb_ds/assoc_container.hpp>
// include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
using namespace std;
#define all(x) x.begin(), x.end()
#define pb push_back
// define ordered_set tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update>
#define mpr make_pair
#define ln '\n'
void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define int long long
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n, m; cin >> n >> m;
    vector <int> a(n), b(m);
    for ( auto &i: a ) cin >> i;
    for ( auto &i: b ) cin >> i;
    const int N = 2e4+1;
    for ( auto i: a ){
        vector <int> dp(N), ind(N); dp[0] = 1; ind[0] = -1;
        int it = 0;
        for ( auto val: b ){
            for ( int j = N-1; j >= val; j-- ){
                if ( ind[j-val] and !ind[j] ) dp[j] = j-val, ind[j] = it+1;
            } it++;
        }
        if ( !ind[i] ){
            cout << "NO\n";
            return 0;
        }
        vector <int> used((int)b.size());
        while ( i ){
            used[ind[i-1]] = 1;
            i = dp[i];
        }
        vector <int> newb;
        for ( int j = 0; j < (int)b.size(); j++ ){
            if ( !used[j] ) newb.pb(b[j]);
        }
        b = newb;
    }
    cout << "YES";

    cout << '\n';
}

Compilation message

bank.cpp: In function 'void IO(std::string)':
bank.cpp:11:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:11:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 572 KB Output is correct
9 Correct 1 ms 596 KB Output is correct

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 596 KB Output is correct
2 Incorrect 1 ms 596 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 572 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Incorrect 1 ms 596 KB Output isn't correct
12 Halted 0 ms 0 KB -