Submission #385196

#	Time	Username	Problem	Language	Result	Execution time	Memory
385196		Aryan_Raina	Bank (IZhO14_bank)	C++14	52 / 100	1093 ms	19820 KiB

bank

#include <bits/stdc++.h>
//#include "cyklib.hpp"
using namespace std;

#define int long long
#define ld long double
#define ar array

const int INF = 1e15;
const int MOD = 1e9+7;
const int LIMIT = 1e18;

const int MXN = 21;
int dp[MXN][1<<MXN], a[MXN], b[MXN];
vector<int> smh[1005*MXN];

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m; cin>>n>>m;
    for (int i = 0; i < n; i++) cin>>a[i];
    for (int i = 0; i < m; i++) cin>>b[i];

    for (int i = 0; i < 1<<m; i++) {
        int sum = 0;
        for (int j = 0; j < m; j++) if ((i>>j) & 1) {
            sum += b[j];
        }
        smh[sum].push_back(i);
    }
    int ans = 0;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < 1<<m; j++) {
            for (int x : smh[a[i]]) if ((j & x) == 0) {
                dp[i+1][j ^ x] = max(dp[i+1][j ^ x], dp[i][j] + 1);
                ans = max(ans, dp[i+1][j ^ x]);
            }
        }
    }
    if (ans == n) {
        cout<<"YES\n";
    } else cout<<"NO\n";
}  

• Subtask 1: 0 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 0 / 29