Submission #42937

#	Time	Username	Problem	Language	Result	Execution time	Memory
42937		funcsr	Bank (IZhO14_bank)	C++14	100 / 100	729 ms	86908 KiB

bank

#include <cstdio>
#include <iostream>
#include <algorithm>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cmath>
#include <iomanip>
#include <cassert>
#include <bitset>
using namespace std;

typedef pair<int, int> P;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(c) (c).begin(), (c).end()
#define uniq(c) c.erase(unique(all(c)), (c).end())
#define index(xs, x) (int)(lower_bound(all(xs), x) - xs.begin())
#define _1 first
#define _2 second
#define pb push_back
#define INF 1145141919
#define MOD 1000000007

int N, M;
int A[20], B[20];
int dp[21][1<<20];
signed main() {
  ios::sync_with_stdio(false); cin.tie(0);
  cin >> N >> M;
  rep(i, N) cin >> A[i];
  rep(i, M) cin >> B[i];
  rep(i, N+1) rep(j, 1<<M) dp[i][j] = -1;
  dp[0][0] = 0;
  rep(i, N) {
    rep(S, 1<<M) {
      if (dp[i][S] == -1) continue;
      rep(t, M) if (((S>>t)&1) == 0) dp[i][S|(1<<t)] = dp[i][S]+B[t];
    }
    rep(S, 1<<M) if (dp[i][S] == A[i]) dp[i+1][S] = 0;
  }
  bool ok = false;
  rep(S, 1<<M) if (dp[N][S] == 0) ok = true;
  if (ok) cout << "YES\n";
  else cout << "NO\n";
  return 0;
}

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29